From 5bff2f2885dfefa0841e162b23ff0746fe2c7cb0 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 18 Jul 2023 12:38:44 +0800
Subject: [PATCH 01/22] encoder

---
 .../seata/core/rpc/netty/ProtocolEncoder.java | 122 ++++++++++++++++++
 .../rpc/netty/old/ProtocolOldEncoder.java     | 122 ++++++++++++++++++
 2 files changed, 244 insertions(+)
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java

diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
new file mode 100644
index 00000000000..0ffadda7064
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
@@ -0,0 +1,122 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+import io.seata.core.compressor.Compressor;
+import io.seata.core.compressor.CompressorFactory;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.v1.HeadMapSerializer;
+import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
+import io.seata.core.serializer.Serializer;
+import io.seata.core.serializer.SerializerServiceLoader;
+import io.seata.core.serializer.SerializerType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+/**
+ * <pre>
+ * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
+ * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
+ * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ * |                                                                                               |
+ * |                                   Head Map [Optional]                                         |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ * |                                                                                               |
+ * |                                         body                                                  |
+ * |                                                                                               |
+ * |                                        ... ...                                                |
+ * +-----------------------------------------------------------------------------------------------+
+ * </pre>
+ * <p>
+ * <li>Full Length: include all data </li>
+ * <li>Head Length: include head data from magic code to head map. </li>
+ * <li>Body Length: Full Length - Head Length</li>
+ * </p>
+ * https://github.com/seata/seata/issues/893
+ *
+ * @author Geng Zhang
+ * @see ProtocolV1Decoder
+ * @since 0.7.0
+ */
+public class ProtocolEncoder extends MessageToByteEncoder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolEncoder.class);
+
+    @Override
+    public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
+        try {
+            if (msg instanceof RpcMessage) {
+                RpcMessage rpcMessage = (RpcMessage) msg;
+
+                int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
+                int headLength = ProtocolConstants.V1_HEAD_LENGTH;
+
+                byte messageType = rpcMessage.getMessageType();
+                out.writeBytes(ProtocolConstants.MAGIC_CODE_BYTES);
+                out.writeByte(ProtocolConstants.VERSION);
+                // full Length(4B) and head length(2B) will fix in the end. 
+                out.writerIndex(out.writerIndex() + 6);
+                out.writeByte(messageType);
+                out.writeByte(rpcMessage.getCodec());
+                out.writeByte(rpcMessage.getCompressor());
+                out.writeInt(rpcMessage.getId());
+
+                // direct write head with zero-copy
+                Map<String, String> headMap = rpcMessage.getHeadMap();
+                if (headMap != null && !headMap.isEmpty()) {
+                    int headMapBytesLength = HeadMapSerializer.getInstance().encode(headMap, out);
+                    headLength += headMapBytesLength;
+                    fullLength += headMapBytesLength;
+                }
+
+                byte[] bodyBytes = null;
+                if (messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
+                        && messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
+                    // heartbeat has no body
+                    Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()));
+                    bodyBytes = serializer.serialize(rpcMessage.getBody());
+                    Compressor compressor = CompressorFactory.getCompressor(rpcMessage.getCompressor());
+                    bodyBytes = compressor.compress(bodyBytes);
+                    fullLength += bodyBytes.length;
+                }
+
+                if (bodyBytes != null) {
+                    out.writeBytes(bodyBytes);
+                }
+
+                // fix fullLength and headLength
+                int writeIndex = out.writerIndex();
+                // skip magic code(2B) + version(1B)
+                out.writerIndex(writeIndex - fullLength + 3);
+                out.writeInt(fullLength);
+                out.writeShort(headLength);
+                out.writerIndex(writeIndex);
+            } else {
+                throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
+            }
+        } catch (Throwable e) {
+            LOGGER.error("Encode request error!", e);
+        }
+    }
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java
new file mode 100644
index 00000000000..097696652f5
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java
@@ -0,0 +1,122 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.old;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+import io.seata.core.compressor.Compressor;
+import io.seata.core.compressor.CompressorFactory;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.v1.HeadMapSerializer;
+import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
+import io.seata.core.serializer.Serializer;
+import io.seata.core.serializer.SerializerServiceLoader;
+import io.seata.core.serializer.SerializerType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+/**
+ * <pre>
+ * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
+ * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
+ * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ * |                                                                                               |
+ * |                                   Head Map [Optional]                                         |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ * |                                                                                               |
+ * |                                         body                                                  |
+ * |                                                                                               |
+ * |                                        ... ...                                                |
+ * +-----------------------------------------------------------------------------------------------+
+ * </pre>
+ * <p>
+ * <li>Full Length: include all data </li>
+ * <li>Head Length: include head data from magic code to head map. </li>
+ * <li>Body Length: Full Length - Head Length</li>
+ * </p>
+ * https://github.com/seata/seata/issues/893
+ *
+ * @author Geng Zhang
+ * @see ProtocolV1Decoder
+ * @since 0.7.0
+ */
+public class ProtocolOldEncoder extends MessageToByteEncoder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldEncoder.class);
+
+    @Override
+    public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
+        try {
+            if (msg instanceof RpcMessage) {
+                RpcMessage rpcMessage = (RpcMessage) msg;
+
+                int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
+                int headLength = ProtocolConstants.V1_HEAD_LENGTH;
+
+                byte messageType = rpcMessage.getMessageType();
+                out.writeBytes(ProtocolConstants.MAGIC_CODE_BYTES);
+                out.writeByte(ProtocolConstants.VERSION);
+                // full Length(4B) and head length(2B) will fix in the end. 
+                out.writerIndex(out.writerIndex() + 6);
+                out.writeByte(messageType);
+                out.writeByte(rpcMessage.getCodec());
+                out.writeByte(rpcMessage.getCompressor());
+                out.writeInt(rpcMessage.getId());
+
+                // direct write head with zero-copy
+                Map<String, String> headMap = rpcMessage.getHeadMap();
+                if (headMap != null && !headMap.isEmpty()) {
+                    int headMapBytesLength = HeadMapSerializer.getInstance().encode(headMap, out);
+                    headLength += headMapBytesLength;
+                    fullLength += headMapBytesLength;
+                }
+
+                byte[] bodyBytes = null;
+                if (messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
+                        && messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
+                    // heartbeat has no body
+                    Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()));
+                    bodyBytes = serializer.serialize(rpcMessage.getBody());
+                    Compressor compressor = CompressorFactory.getCompressor(rpcMessage.getCompressor());
+                    bodyBytes = compressor.compress(bodyBytes);
+                    fullLength += bodyBytes.length;
+                }
+
+                if (bodyBytes != null) {
+                    out.writeBytes(bodyBytes);
+                }
+
+                // fix fullLength and headLength
+                int writeIndex = out.writerIndex();
+                // skip magic code(2B) + version(1B)
+                out.writerIndex(writeIndex - fullLength + 3);
+                out.writeInt(fullLength);
+                out.writeShort(headLength);
+                out.writerIndex(writeIndex);
+            } else {
+                throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
+            }
+        } catch (Throwable e) {
+            LOGGER.error("Encode request error!", e);
+        }
+    }
+}

From c7497c1e167e3db550a546a042c7a74b7cc7686e Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Wed, 19 Jul 2023 11:45:43 +0800
Subject: [PATCH 02/22] protocol

---
 .../core/protocol/ProtocolConstants.java      |   5 +
 .../rpc/netty/CompatibleProtocolDecoder.java  | 143 ++++++++++++++++++
 .../rpc/netty/CompatibleProtocolEncoder.java  |  54 +++++++
 .../core/rpc/netty/NettyClientBootstrap.java  |   4 +-
 .../core/rpc/netty/NettyServerBootstrap.java  |   6 +-
 .../seata/core/rpc/netty/ProtocolEncoder.java | 122 ---------------
 .../rpc/netty/old/ProtocolOldConstants.java   |  16 ++
 .../rpc/netty/old/ProtocolOldDecoder.java     | 139 +++++++++++++++++
 .../rpc/netty/old/ProtocolOldEncoder.java     | 103 +++----------
 .../core/rpc/netty/v1/ProtocolV1Decoder.java  |  62 +-------
 .../core/rpc/netty/v1/ProtocolV1Encoder.java  |  21 +--
 .../serializer/seata/MessageCodecFactory.java |  56 +++----
 .../seata/protocol/old/package-info.java      |   1 +
 .../AbstractIdentifyRequestCodec.java         |   2 +-
 .../AbstractIdentifyResponseCodec.java        |   2 +-
 .../{ => v1}/AbstractMessageCodec.java        |   2 +-
 .../{ => v1}/AbstractResultMessageCodec.java  |   2 +-
 .../{ => v1}/BatchResultMessageCodec.java     |   2 +-
 .../{ => v1}/MergeResultMessageCodec.java     |   2 +-
 .../{ => v1}/MergedWarpMessageCodec.java      |   2 +-
 .../{ => v1}/RegisterRMRequestCodec.java      |   2 +-
 .../{ => v1}/RegisterRMResponseCodec.java     |   2 +-
 .../{ => v1}/RegisterTMRequestCodec.java      |   2 +-
 .../{ => v1}/RegisterTMResponseCodec.java     |   2 +-
 .../AbstractBranchEndRequestCodec.java        |   2 +-
 .../AbstractBranchEndResponseCodec.java       |   2 +-
 .../AbstractGlobalEndRequestCodec.java        |   2 +-
 .../AbstractGlobalEndResponseCodec.java       |   2 +-
 .../AbstractTransactionRequestCodec.java      |   4 +-
 .../AbstractTransactionRequestToRMCodec.java  |   2 +-
 .../AbstractTransactionRequestToTCCodec.java  |   2 +-
 .../AbstractTransactionResponseCodec.java     |   4 +-
 .../transaction/BranchCommitRequestCodec.java |   2 +-
 .../BranchCommitResponseCodec.java            |   2 +-
 .../BranchRegisterRequestCodec.java           |   2 +-
 .../BranchRegisterResponseCodec.java          |   2 +-
 .../transaction/BranchReportRequestCodec.java |   2 +-
 .../BranchReportResponseCodec.java            |   2 +-
 .../BranchRollbackRequestCodec.java           |   2 +-
 .../BranchRollbackResponseCodec.java          |   2 +-
 .../transaction/GlobalBeginRequestCodec.java  |   2 +-
 .../transaction/GlobalBeginResponseCodec.java |   2 +-
 .../transaction/GlobalCommitRequestCodec.java |   2 +-
 .../GlobalCommitResponseCodec.java            |   2 +-
 .../GlobalLockQueryRequestCodec.java          |   2 +-
 .../GlobalLockQueryResponseCodec.java         |   2 +-
 .../transaction/GlobalReportRequestCodec.java |   2 +-
 .../GlobalReportResponseCodec.java            |   2 +-
 .../GlobalRollbackRequestCodec.java           |   2 +-
 .../GlobalRollbackResponseCodec.java          |   2 +-
 .../transaction/GlobalStatusRequestCodec.java |   2 +-
 .../GlobalStatusResponseCodec.java            |   2 +-
 .../UndoLogDeleteRequestCodec.java            |   2 +-
 .../core/rpc/netty/v1/ProtocolV1Client.java   |   6 +-
 .../core/rpc/netty/v1/ProtocolV1Server.java   |   6 +-
 55 files changed, 479 insertions(+), 349 deletions(-)
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
 delete mode 100644 core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldConstants.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/old/package-info.java
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/AbstractIdentifyRequestCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/AbstractIdentifyResponseCodec.java (97%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/AbstractMessageCodec.java (97%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/AbstractResultMessageCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/BatchResultMessageCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/MergeResultMessageCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/MergedWarpMessageCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/RegisterRMRequestCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/RegisterRMResponseCodec.java (95%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/RegisterTMRequestCodec.java (95%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/RegisterTMResponseCodec.java (95%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/AbstractBranchEndRequestCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/AbstractBranchEndResponseCodec.java (97%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/AbstractGlobalEndRequestCodec.java (97%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/AbstractGlobalEndResponseCodec.java (96%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/AbstractTransactionRequestCodec.java (88%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/AbstractTransactionRequestToRMCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/AbstractTransactionRequestToTCCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/AbstractTransactionResponseCodec.java (93%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/BranchCommitRequestCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/BranchCommitResponseCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/BranchRegisterRequestCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/BranchRegisterResponseCodec.java (96%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/BranchReportRequestCodec.java (98%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/BranchReportResponseCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/BranchRollbackRequestCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/BranchRollbackResponseCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalBeginRequestCodec.java (97%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalBeginResponseCodec.java (97%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalCommitRequestCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalCommitResponseCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalLockQueryRequestCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalLockQueryResponseCodec.java (96%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalReportRequestCodec.java (96%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalReportResponseCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalRollbackRequestCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalRollbackResponseCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalStatusRequestCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/GlobalStatusResponseCodec.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{ => v1}/transaction/UndoLogDeleteRequestCodec.java (97%)

diff --git a/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java b/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
index ef5d9a4ddd6..6684f3c980a 100644
--- a/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
+++ b/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
@@ -31,6 +31,11 @@ public interface ProtocolConstants {
      */
     byte[] MAGIC_CODE_BYTES = {(byte) 0xda, (byte) 0xda};
 
+    /**
+     * Old protocol version
+     */
+    byte OLD_VERSION = 0;
+
     /**
      * Protocol version
      */
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
new file mode 100644
index 00000000000..5a92b9afe8b
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
@@ -0,0 +1,143 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
+import io.seata.core.compressor.Compressor;
+import io.seata.core.compressor.CompressorFactory;
+import io.seata.core.exception.DecodeException;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.old.ProtocolOldDecoder;
+import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
+import io.seata.core.serializer.Serializer;
+import io.seata.core.serializer.SerializerServiceLoader;
+import io.seata.core.serializer.SerializerType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * <pre>
+ * (> 0.7.0)
+ * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
+ * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
+ * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ *
+ * (<= 0.7.0)
+ * 0     1     2     3     4           6           8          10           12          14
+ * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * |   0xdada  |   flag    | typecode/ |                 requestid                     |
+ * |           |           | bodylength|                                               |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ *
+ * </pre>
+ * <p>
+ * <li>Full Length: include all data </li>
+ * <li>Head Length: include head data from magic code to head map. </li>
+ * <li>Body Length: Full Length - Head Length</li>
+ * </p>
+ * https://github.com/seata/seata/issues/893
+ *
+ * @author minghua.xie
+ * @since 2.0.0
+ */
+public class CompatibleProtocolDecoder extends LengthFieldBasedFrameDecoder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(CompatibleProtocolDecoder.class);
+
+    public CompatibleProtocolDecoder() {
+        // default is 8M
+        this(ProtocolConstants.MAX_FRAME_LENGTH);
+    }
+
+    public CompatibleProtocolDecoder(int maxFrameLength) {
+        /*
+        int maxFrameLength,      
+        int lengthFieldOffset,  magic code is 2B, and version is 1B, and then FullLength. so value is 3
+        int lengthFieldLength,  FullLength is int(4B). so values is 4
+        int lengthAdjustment,   FullLength include all data and read 7 bytes before, so the left length is (FullLength-7). so values is -7
+        int initialBytesToStrip we will check magic code and version self, so do not strip any bytes. so values is 0
+        */
+        super(maxFrameLength, 3, 4, -7, 0);
+    }
+
+    @Override
+    protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
+        Object decoded;
+        try {
+            decoded = super.decode(ctx, in);
+            if (decoded instanceof ByteBuf) {
+                ByteBuf frame = (ByteBuf)decoded;
+                try {
+                    byte version = decideVersion(frame);
+                    if(version == ProtocolConstants.OLD_VERSION){
+                        return ProtocolOldDecoder.decodeFrame(frame);
+                    }else if(version == ProtocolConstants.VERSION){
+                        return ProtocolV1Decoder.decodeFrame(frame);
+                    }else {
+                        throw new IllegalArgumentException("Unknown version: " + version );
+                    }
+
+                } finally {
+                    frame.release();
+                }
+            }
+        } catch (Exception exx) {
+            LOGGER.error("Decode frame error, cause: {}", exx.getMessage());
+            throw new DecodeException(exx);
+        }
+        return decoded;
+    }
+
+    protected byte decideVersion(ByteBuf frame) {
+        frame.markReaderIndex();
+        byte b0 = frame.readByte();
+        byte b1 = frame.readByte();
+        if (ProtocolConstants.MAGIC_CODE_BYTES[0] != b0
+                || ProtocolConstants.MAGIC_CODE_BYTES[1] != b1) {
+            throw new IllegalArgumentException("Unknown magic code: " + b0 + ", " + b1);
+        }
+
+        byte version = frame.readByte();
+        frame.resetReaderIndex();
+        return version;
+    }
+
+
+    public static Object getBody(ByteBuf frame, byte messageType, byte compressorType, byte codecType, int bodyLength) {
+        Object body = null;
+        if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST) {
+            body = HeartbeatMessage.PING;
+        } else if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
+            body = HeartbeatMessage.PONG;
+        } else {
+            if (bodyLength > 0) {
+                byte[] bs = new byte[bodyLength];
+                frame.readBytes(bs);
+                Compressor compressor = CompressorFactory.getCompressor(compressorType);
+                bs = compressor.decompress(bs);
+                Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codecType));
+                body = serializer.deserialize(bs);
+            }
+        }
+        return body;
+    }
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
new file mode 100644
index 00000000000..b129072ef6c
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
@@ -0,0 +1,54 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+import io.seata.core.protocol.RpcMessage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * <pre>
+ * </pre>
+ * <p>
+ * <li>Full Length: include all data </li>
+ * <li>Head Length: include head data from magic code to head map. </li>
+ * <li>Body Length: Full Length - Head Length</li>
+ * </p>
+ * https://github.com/seata/seata/issues/893
+ *
+ * @author minghua.xie
+ * @since 2.0.0
+ */
+public class CompatibleProtocolEncoder extends MessageToByteEncoder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(CompatibleProtocolEncoder.class);
+
+    @Override
+    public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
+        try {
+            if (msg instanceof RpcMessage) {
+                // todo 调用子类进行encode，公共逻辑现在没有抽取
+            } else {
+                throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
+            }
+        } catch (Throwable e) {
+            LOGGER.error("Encode request error!", e);
+        }
+    }
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/NettyClientBootstrap.java b/core/src/main/java/io/seata/core/rpc/netty/NettyClientBootstrap.java
index 2d52bb51b94..8e44eec36b8 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/NettyClientBootstrap.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/NettyClientBootstrap.java
@@ -135,8 +135,8 @@ public void initChannel(SocketChannel ch) {
                         new IdleStateHandler(nettyClientConfig.getChannelMaxReadIdleSeconds(),
                             nettyClientConfig.getChannelMaxWriteIdleSeconds(),
                             nettyClientConfig.getChannelMaxAllIdleSeconds()))
-                        .addLast(new ProtocolV1Decoder())
-                        .addLast(new ProtocolV1Encoder());
+                        .addLast(new CompatibleProtocolDecoder())
+                        .addLast(new CompatibleProtocolEncoder());
                     if (channelHandlers != null) {
                         addChannelPipelineLast(ch, channelHandlers);
                     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/NettyServerBootstrap.java b/core/src/main/java/io/seata/core/rpc/netty/NettyServerBootstrap.java
index d41e296ee97..8126bdd31e9 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/NettyServerBootstrap.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/NettyServerBootstrap.java
@@ -35,8 +35,6 @@
 import io.seata.common.thread.NamedThreadFactory;
 import io.seata.config.ConfigurationFactory;
 import io.seata.core.rpc.RemotingBootstrap;
-import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
-import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
 import io.seata.discovery.registry.MultiRegistryFactory;
 import io.seata.discovery.registry.RegistryService;
 import org.slf4j.Logger;
@@ -156,8 +154,8 @@ public void start() {
                 @Override
                 public void initChannel(SocketChannel ch) {
                     ch.pipeline().addLast(new IdleStateHandler(nettyServerConfig.getChannelMaxReadIdleSeconds(), 0, 0))
-                        .addLast(new ProtocolV1Decoder())
-                        .addLast(new ProtocolV1Encoder());
+                        .addLast(new CompatibleProtocolDecoder())
+                        .addLast(new CompatibleProtocolEncoder());
                     if (channelHandlers != null) {
                         addChannelPipelineLast(ch, channelHandlers);
                     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
deleted file mode 100644
index 0ffadda7064..00000000000
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.core.rpc.netty;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.handler.codec.MessageToByteEncoder;
-import io.seata.core.compressor.Compressor;
-import io.seata.core.compressor.CompressorFactory;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.netty.v1.HeadMapSerializer;
-import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
-import io.seata.core.serializer.Serializer;
-import io.seata.core.serializer.SerializerServiceLoader;
-import io.seata.core.serializer.SerializerType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.Map;
-
-/**
- * <pre>
- * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
- * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
- * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
- * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
- * |                                                                                               |
- * |                                   Head Map [Optional]                                         |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
- * |                                                                                               |
- * |                                         body                                                  |
- * |                                                                                               |
- * |                                        ... ...                                                |
- * +-----------------------------------------------------------------------------------------------+
- * </pre>
- * <p>
- * <li>Full Length: include all data </li>
- * <li>Head Length: include head data from magic code to head map. </li>
- * <li>Body Length: Full Length - Head Length</li>
- * </p>
- * https://github.com/seata/seata/issues/893
- *
- * @author Geng Zhang
- * @see ProtocolV1Decoder
- * @since 0.7.0
- */
-public class ProtocolEncoder extends MessageToByteEncoder {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolEncoder.class);
-
-    @Override
-    public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
-        try {
-            if (msg instanceof RpcMessage) {
-                RpcMessage rpcMessage = (RpcMessage) msg;
-
-                int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
-                int headLength = ProtocolConstants.V1_HEAD_LENGTH;
-
-                byte messageType = rpcMessage.getMessageType();
-                out.writeBytes(ProtocolConstants.MAGIC_CODE_BYTES);
-                out.writeByte(ProtocolConstants.VERSION);
-                // full Length(4B) and head length(2B) will fix in the end. 
-                out.writerIndex(out.writerIndex() + 6);
-                out.writeByte(messageType);
-                out.writeByte(rpcMessage.getCodec());
-                out.writeByte(rpcMessage.getCompressor());
-                out.writeInt(rpcMessage.getId());
-
-                // direct write head with zero-copy
-                Map<String, String> headMap = rpcMessage.getHeadMap();
-                if (headMap != null && !headMap.isEmpty()) {
-                    int headMapBytesLength = HeadMapSerializer.getInstance().encode(headMap, out);
-                    headLength += headMapBytesLength;
-                    fullLength += headMapBytesLength;
-                }
-
-                byte[] bodyBytes = null;
-                if (messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
-                        && messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
-                    // heartbeat has no body
-                    Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()));
-                    bodyBytes = serializer.serialize(rpcMessage.getBody());
-                    Compressor compressor = CompressorFactory.getCompressor(rpcMessage.getCompressor());
-                    bodyBytes = compressor.compress(bodyBytes);
-                    fullLength += bodyBytes.length;
-                }
-
-                if (bodyBytes != null) {
-                    out.writeBytes(bodyBytes);
-                }
-
-                // fix fullLength and headLength
-                int writeIndex = out.writerIndex();
-                // skip magic code(2B) + version(1B)
-                out.writerIndex(writeIndex - fullLength + 3);
-                out.writeInt(fullLength);
-                out.writeShort(headLength);
-                out.writerIndex(writeIndex);
-            } else {
-                throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
-            }
-        } catch (Throwable e) {
-            LOGGER.error("Encode request error!", e);
-        }
-    }
-}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldConstants.java b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldConstants.java
new file mode 100644
index 00000000000..9317cbd391b
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldConstants.java
@@ -0,0 +1,16 @@
+package io.seata.core.rpc.netty.old;
+
+/**
+ * ?
+ *
+ * @author minghua.xie
+ * @date 2023/7/18
+ **/
+public class ProtocolOldConstants {
+
+    public static int HEAD_LENGTH = 14;
+    public static final int FLAG_REQUEST = 0x80;
+    public static final int FLAG_ASYNC = 0x40;
+    public static final int FLAG_HEARTBEAT = 0x20;
+    public static final int FLAG_SEATA_CODEC = 0x10;
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
new file mode 100644
index 00000000000..179e4331859
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
@@ -0,0 +1,139 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.old;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
+import io.seata.core.compressor.Compressor;
+import io.seata.core.compressor.CompressorFactory;
+import io.seata.core.compressor.CompressorType;
+import io.seata.core.exception.DecodeException;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
+import io.seata.core.rpc.netty.v1.HeadMapSerializer;
+import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
+import io.seata.core.serializer.Serializer;
+import io.seata.core.serializer.SerializerServiceLoader;
+import io.seata.core.serializer.SerializerType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.ByteBuffer;
+import java.util.Map;
+
+/**
+ * <pre>
+ *  seata-version < 0.7
+ *  Only used in TC receives a request from RM/TM.
+ * 0     1     2     3     4           6           8          10           12          14         16
+ * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * |   0xdada  |   flag    | typecode/ |                 requestid                     |           |
+ * |           |           | bodylength|                                               |           |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+           +
+ * |                                    ... ...                                                    |
+ * +                                                                                               +
+ * |                                     body                                                      |
+ * +                                                                                               +
+ * |                                    ... ...                                                    |
+ * +-----------------------------------------------------------------------------------------------+
+ *
+ * </pre>
+ * <p>
+ * <li>flag: msg type </li>
+ * <li>typecode: action type code </li>
+ * <li>bodylength: body Length </li>
+ * <li>requestid: request id</li>
+ * </p>
+ *
+ * @author minghua.xie
+ * @see ProtocolOldEncoder
+ * @since 2.0.0
+ */
+public class ProtocolOldDecoder {
+
+
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldDecoder.class);
+
+
+    public static RpcMessage decodeFrame(ByteBuf frame) {
+        // todo 旧版本是直接返回跳过了，我们需要保留这个逻辑？
+//        if (frame.readableBytes() < HEAD_LENGTH) {
+//            return;
+//        }
+
+        // todo 这里是为了bodyLength不满足要求时reset，意义是什么？
+        frame.markReaderIndex();
+
+        // todo 外层已经判断过了，这里可以跳过
+        short protocol = frame.readShort();
+
+        int flag = (int)frame.readShort();
+
+        boolean isHeartbeat = (ProtocolOldConstants.FLAG_HEARTBEAT & flag) > 0;
+        boolean isRequest = (ProtocolOldConstants.FLAG_REQUEST & flag) > 0;
+        boolean isSeataCodec = (ProtocolOldConstants.FLAG_SEATA_CODEC & flag) > 0;
+
+        // todo 目前看来，旧协议不是seata就是hessian
+        byte codecType = isSeataCodec?SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
+
+        short bodyLength = 0;
+        short typeCode = 0;
+        if (!isSeataCodec) { bodyLength = frame.readShort(); } else { typeCode = frame.readShort(); }
+        long msgId = frame.readLong();
+        RpcMessage rpcMessage = new RpcMessage();
+        rpcMessage.setCompressor(CompressorType.NONE.getCode());
+        rpcMessage.setCodec(codecType);
+
+        // todo reqid之前是long的，设置不进去，要把rpcMessage也隔离成两套吗？
+//        rpcMessage.setId(msgId);
+        if (isHeartbeat) {
+            // todo MessageType是新字段，以前其实分了两个字段，一个是isHeartbeat，一个是isRequest
+            if (isRequest) {
+                rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST);
+                rpcMessage.setBody(HeartbeatMessage.PING);
+            } else {
+                rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE);
+                rpcMessage.setBody(HeartbeatMessage.PONG);
+            }
+            return rpcMessage;
+        }
+
+        if (bodyLength > 0 && frame.readableBytes() < bodyLength) {
+            frame.resetReaderIndex();
+            return rpcMessage;
+        }
+
+        // TODO  怎样知道是不是one way
+        rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
+        rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
+
+        rpcMessage.setBody(CompatibleProtocolDecoder.getBody(frame, rpcMessage.getMessageType(),
+                rpcMessage.getCompressor(),rpcMessage.getCodec(),bodyLength));
+        return rpcMessage;
+    }
+
+    private static short getShort(byte b0, byte b1) {
+        ByteBuffer byteBufferX = ByteBuffer.allocate(128);
+        byteBufferX.put(b0);
+        byteBufferX.put(b1);
+        return byteBufferX.getShort(0);
+    }
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java
index 097696652f5..689f03ad38c 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java
@@ -17,104 +17,45 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
-import io.netty.handler.codec.MessageToByteEncoder;
-import io.seata.core.compressor.Compressor;
-import io.seata.core.compressor.CompressorFactory;
-import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.netty.v1.HeadMapSerializer;
-import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
-import io.seata.core.serializer.Serializer;
-import io.seata.core.serializer.SerializerServiceLoader;
-import io.seata.core.serializer.SerializerType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.Map;
-
 /**
  * <pre>
- * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
+ *  seata-version < 0.7
+ *  Only used in TC send a request to RM/TM.
+ * 0     1     2     3     4           6           8          10           12          14         16
  * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
- * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
- * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
- * |                                                                                               |
- * |                                   Head Map [Optional]                                         |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
- * |                                                                                               |
- * |                                         body                                                  |
- * |                                                                                               |
- * |                                        ... ...                                                |
+ * |   0xdada  |   flag    | typecode/ |                 requestid                     |           |
+ * |           |           | bodylength|                                               |           |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+           +
+ * |                                    ... ...                                                    |
+ * +                                                                                               +
+ * |                                     body                                                      |
+ * +                                                                                               +
+ * |                                    ... ...                                                    |
  * +-----------------------------------------------------------------------------------------------+
+ *
  * </pre>
  * <p>
- * <li>Full Length: include all data </li>
- * <li>Head Length: include head data from magic code to head map. </li>
- * <li>Body Length: Full Length - Head Length</li>
+ * <li>flag: msg type </li>
+ * <li>typecode: action type code </li>
+ * <li>bodylength: body Length </li>
+ * <li>requestid: request id</li>
  * </p>
- * https://github.com/seata/seata/issues/893
  *
- * @author Geng Zhang
- * @see ProtocolV1Decoder
- * @since 0.7.0
+ * @author minghua.xie
+ * @see ProtocolOldDecoder
+ * @since 2.0.0
  */
-public class ProtocolOldEncoder extends MessageToByteEncoder {
+public class ProtocolOldEncoder  {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldEncoder.class);
 
-    @Override
-    public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
+    public static void encode(ChannelHandlerContext ctx, RpcMessage rpcMessage, ByteBuf out) {
         try {
-            if (msg instanceof RpcMessage) {
-                RpcMessage rpcMessage = (RpcMessage) msg;
-
-                int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
-                int headLength = ProtocolConstants.V1_HEAD_LENGTH;
-
-                byte messageType = rpcMessage.getMessageType();
-                out.writeBytes(ProtocolConstants.MAGIC_CODE_BYTES);
-                out.writeByte(ProtocolConstants.VERSION);
-                // full Length(4B) and head length(2B) will fix in the end. 
-                out.writerIndex(out.writerIndex() + 6);
-                out.writeByte(messageType);
-                out.writeByte(rpcMessage.getCodec());
-                out.writeByte(rpcMessage.getCompressor());
-                out.writeInt(rpcMessage.getId());
-
-                // direct write head with zero-copy
-                Map<String, String> headMap = rpcMessage.getHeadMap();
-                if (headMap != null && !headMap.isEmpty()) {
-                    int headMapBytesLength = HeadMapSerializer.getInstance().encode(headMap, out);
-                    headLength += headMapBytesLength;
-                    fullLength += headMapBytesLength;
-                }
-
-                byte[] bodyBytes = null;
-                if (messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
-                        && messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
-                    // heartbeat has no body
-                    Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()));
-                    bodyBytes = serializer.serialize(rpcMessage.getBody());
-                    Compressor compressor = CompressorFactory.getCompressor(rpcMessage.getCompressor());
-                    bodyBytes = compressor.compress(bodyBytes);
-                    fullLength += bodyBytes.length;
-                }
-
-                if (bodyBytes != null) {
-                    out.writeBytes(bodyBytes);
-                }
-
-                // fix fullLength and headLength
-                int writeIndex = out.writerIndex();
-                // skip magic code(2B) + version(1B)
-                out.writerIndex(writeIndex - fullLength + 3);
-                out.writeInt(fullLength);
-                out.writeShort(headLength);
-                out.writerIndex(writeIndex);
-            } else {
-                throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
-            }
+            // todo 按照旧协议方式encode
         } catch (Throwable e) {
             LOGGER.error("Encode request error!", e);
         }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
index fa34cb16c51..2c3ba775216 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
@@ -16,9 +16,7 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
-import io.seata.core.exception.DecodeException;
+import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
 import io.seata.core.serializer.Serializer;
 import io.seata.core.compressor.Compressor;
 import io.seata.core.compressor.CompressorFactory;
@@ -59,47 +57,11 @@
  * @see ProtocolV1Encoder
  * @since 0.7.0
  */
-public class ProtocolV1Decoder extends LengthFieldBasedFrameDecoder {
+public class ProtocolV1Decoder{
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV1Decoder.class);
 
-    public ProtocolV1Decoder() {
-        // default is 8M
-        this(ProtocolConstants.MAX_FRAME_LENGTH);
-    }
-
-    public ProtocolV1Decoder(int maxFrameLength) {
-        /*
-        int maxFrameLength,      
-        int lengthFieldOffset,  magic code is 2B, and version is 1B, and then FullLength. so value is 3
-        int lengthFieldLength,  FullLength is int(4B). so values is 4
-        int lengthAdjustment,   FullLength include all data and read 7 bytes before, so the left length is (FullLength-7). so values is -7
-        int initialBytesToStrip we will check magic code and version self, so do not strip any bytes. so values is 0
-        */
-        super(maxFrameLength, 3, 4, -7, 0);
-    }
-
-    @Override
-    protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
-        Object decoded;
-        try {
-            decoded = super.decode(ctx, in);
-            if (decoded instanceof ByteBuf) {
-                ByteBuf frame = (ByteBuf)decoded;
-                try {
-                    return decodeFrame(frame);
-                } finally {
-                    frame.release();
-                }
-            }
-        } catch (Exception exx) {
-            LOGGER.error("Decode frame error, cause: {}", exx.getMessage());
-            throw new DecodeException(exx);
-        }
-        return decoded;
-    }
-
-    public Object decodeFrame(ByteBuf frame) {
+    public static Object decodeFrame(ByteBuf frame) {
         byte b0 = frame.readByte();
         byte b1 = frame.readByte();
         if (ProtocolConstants.MAGIC_CODE_BYTES[0] != b0
@@ -131,22 +93,10 @@ public Object decodeFrame(ByteBuf frame) {
         }
 
         // read body
-        if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST) {
-            rpcMessage.setBody(HeartbeatMessage.PING);
-        } else if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
-            rpcMessage.setBody(HeartbeatMessage.PONG);
-        } else {
-            int bodyLength = fullLength - headLength;
-            if (bodyLength > 0) {
-                byte[] bs = new byte[bodyLength];
-                frame.readBytes(bs);
-                Compressor compressor = CompressorFactory.getCompressor(compressorType);
-                bs = compressor.decompress(bs);
-                Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()));
-                rpcMessage.setBody(serializer.deserialize(bs));
-            }
-        }
+        int bodyLength = fullLength - headLength;
+        rpcMessage.setBody(CompatibleProtocolDecoder.getBody(frame, messageType, compressorType, codecType, bodyLength));
 
         return rpcMessage;
     }
+
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
index 9a775af09be..522ff8835d8 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
@@ -17,7 +17,8 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
-import io.netty.handler.codec.MessageToByteEncoder;
+import io.seata.core.rpc.netty.CompatibleProtocolEncoder;
+import io.seata.core.rpc.netty.old.ProtocolOldEncoder;
 import io.seata.core.serializer.Serializer;
 import io.seata.core.compressor.Compressor;
 import io.seata.core.compressor.CompressorFactory;
@@ -57,15 +58,15 @@
  * @see ProtocolV1Decoder
  * @since 0.7.0
  */
-public class ProtocolV1Encoder extends MessageToByteEncoder {
+public class ProtocolV1Encoder{
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV1Encoder.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldEncoder.class);
 
-    @Override
-    public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
+    public static void encode(RpcMessage rpcMessage, ByteBuf out) {
         try {
-            if (msg instanceof RpcMessage) {
-                RpcMessage rpcMessage = (RpcMessage) msg;
+            // todo 外层已经判断好，可以去掉
+//            if (msg instanceof RpcMessage) {
+//                RpcMessage rpcMessage = (RpcMessage) msg;
 
                 int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
                 int headLength = ProtocolConstants.V1_HEAD_LENGTH;
@@ -110,9 +111,9 @@ public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
                 out.writeInt(fullLength);
                 out.writeShort(headLength);
                 out.writerIndex(writeIndex);
-            } else {
-                throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
-            }
+//            } else {
+//                throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
+//            }
         } catch (Throwable e) {
             LOGGER.error("Encode request error!", e);
         }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
index e40253fd322..612b550d16c 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
@@ -18,34 +18,34 @@
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 
-import io.seata.serializer.seata.protocol.BatchResultMessageCodec;
-import io.seata.serializer.seata.protocol.MergeResultMessageCodec;
-import io.seata.serializer.seata.protocol.MergedWarpMessageCodec;
-import io.seata.serializer.seata.protocol.RegisterRMRequestCodec;
-import io.seata.serializer.seata.protocol.RegisterRMResponseCodec;
-import io.seata.serializer.seata.protocol.RegisterTMRequestCodec;
-import io.seata.serializer.seata.protocol.RegisterTMResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.BranchCommitRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.BranchCommitResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.BranchRegisterRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.BranchRegisterResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.BranchReportRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.BranchReportResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.BranchRollbackRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.BranchRollbackResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalBeginRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalBeginResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalCommitRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalCommitResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalLockQueryRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalLockQueryResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalReportRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalReportResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalRollbackRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalRollbackResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalStatusRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalStatusResponseCodec;
-import io.seata.serializer.seata.protocol.transaction.UndoLogDeleteRequestCodec;
+import io.seata.serializer.seata.protocol.v1.BatchResultMessageCodec;
+import io.seata.serializer.seata.protocol.v1.MergeResultMessageCodec;
+import io.seata.serializer.seata.protocol.v1.MergedWarpMessageCodec;
+import io.seata.serializer.seata.protocol.v1.RegisterRMRequestCodec;
+import io.seata.serializer.seata.protocol.v1.RegisterRMResponseCodec;
+import io.seata.serializer.seata.protocol.v1.RegisterTMRequestCodec;
+import io.seata.serializer.seata.protocol.v1.RegisterTMResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchCommitRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchCommitResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchRegisterRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchRegisterResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchReportRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchReportResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchRollbackRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchRollbackResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalBeginRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalBeginResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalCommitRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalCommitResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalLockQueryRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalLockQueryResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalReportRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalReportResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalRollbackRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalRollbackResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalStatusRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalStatusResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.UndoLogDeleteRequestCodec;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.BatchResultMessage;
 import io.seata.core.protocol.MergeResultMessage;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/old/package-info.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/old/package-info.java
new file mode 100644
index 00000000000..07dbe9823ea
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/old/package-info.java
@@ -0,0 +1 @@
+package io.seata.serializer.seata.protocol.old;
\ No newline at end of file
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractIdentifyRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractIdentifyRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
index 0ec122e075c..663bdf9f55a 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractIdentifyRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractIdentifyResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyResponseCodec.java
similarity index 97%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractIdentifyResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyResponseCodec.java
index 29e1fb7cfbb..152a8c36625 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractIdentifyResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractMessageCodec.java
similarity index 97%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractMessageCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractMessageCodec.java
index efdb2dcad80..7810dcaae22 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractMessageCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import io.seata.serializer.seata.MessageSeataCodec;
 import org.slf4j.Logger;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractResultMessageCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractResultMessageCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractResultMessageCodec.java
index dbd1bc9a320..57319124e2c 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/AbstractResultMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractResultMessageCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/BatchResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/BatchResultMessageCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/BatchResultMessageCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/BatchResultMessageCodec.java
index f2f211d7439..ccbf67f5742 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/BatchResultMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/BatchResultMessageCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/MergeResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergeResultMessageCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/MergeResultMessageCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergeResultMessageCodec.java
index 9290d5da986..074b2d3a095 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/MergeResultMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergeResultMessageCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/MergedWarpMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergedWarpMessageCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/MergedWarpMessageCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergedWarpMessageCodec.java
index d8e97d88e11..0bd7b184caa 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/MergedWarpMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergedWarpMessageCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterRMRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterRMRequestCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterRMRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterRMRequestCodec.java
index ea098161094..5fd9094d4dd 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterRMRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterRMRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterRMResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterRMResponseCodec.java
similarity index 95%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterRMResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterRMResponseCodec.java
index 6f34f10e6a7..5d90d4a3fb3 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterRMResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterRMResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 import io.seata.core.protocol.RegisterRMResponse;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterTMRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterTMRequestCodec.java
similarity index 95%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterTMRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterTMRequestCodec.java
index b3c8796b9fc..9490cb10099 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterTMRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterTMRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 
 import io.seata.core.protocol.RegisterTMRequest;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterTMResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterTMResponseCodec.java
similarity index 95%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterTMResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterTMResponseCodec.java
index 118c42f7648..686423bcc61 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/RegisterTMResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/RegisterTMResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol;
+package io.seata.serializer.seata.protocol.v1;
 
 
 import io.seata.core.protocol.RegisterTMResponse;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractBranchEndRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractBranchEndRequestCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractBranchEndRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractBranchEndRequestCodec.java
index 9cb19b2e4ea..12ac865fcc1 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractBranchEndRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractBranchEndRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractBranchEndResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractBranchEndResponseCodec.java
similarity index 97%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractBranchEndResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractBranchEndResponseCodec.java
index 7f23a015c9a..261cdd43ebd 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractBranchEndResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractBranchEndResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractGlobalEndRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractGlobalEndRequestCodec.java
similarity index 97%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractGlobalEndRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractGlobalEndRequestCodec.java
index 4c1457c3dd6..5346e89519e 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractGlobalEndRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractGlobalEndRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractGlobalEndResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractGlobalEndResponseCodec.java
similarity index 96%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractGlobalEndResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractGlobalEndResponseCodec.java
index 3f79c29905f..50b8621dd79 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractGlobalEndResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractGlobalEndResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestCodec.java
similarity index 88%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestCodec.java
index c79f77d868a..6a52893ce6c 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestCodec.java
@@ -13,9 +13,9 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
-import io.seata.serializer.seata.protocol.AbstractMessageCodec;
+import io.seata.serializer.seata.protocol.v1.AbstractMessageCodec;
 import io.seata.core.protocol.transaction.AbstractTransactionRequest;
 
 /**
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestToRMCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestToRMCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestToRMCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestToRMCodec.java
index 87bf909c7ef..652828a27fe 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestToRMCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestToRMCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import io.seata.core.protocol.transaction.AbstractTransactionRequestToRM;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestToTCCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestToTCCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestToTCCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestToTCCodec.java
index ef5a12bdb69..b39068fc6dd 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionRequestToTCCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionRequestToTCCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import io.seata.core.protocol.transaction.AbstractTransactionRequestToTC;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionResponseCodec.java
similarity index 93%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionResponseCodec.java
index e1fda9343ec..cece8b784de 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/AbstractTransactionResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/AbstractTransactionResponseCodec.java
@@ -13,12 +13,12 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.serializer.seata.protocol.AbstractResultMessageCodec;
+import io.seata.serializer.seata.protocol.v1.AbstractResultMessageCodec;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.transaction.AbstractTransactionResponse;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchCommitRequestCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchCommitRequestCodec.java
index 8e10f199a35..04548e33eb7 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchCommitRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import io.seata.core.protocol.transaction.BranchCommitRequest;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchCommitResponseCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchCommitResponseCodec.java
index b65c6957b56..6130463d9d4 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchCommitResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 
 import io.seata.core.protocol.transaction.BranchCommitResponse;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRegisterRequestCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRegisterRequestCodec.java
index 0741a45a7aa..d07664aa768 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRegisterRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRegisterResponseCodec.java
similarity index 96%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRegisterResponseCodec.java
index cade2a78a50..498c7faa408 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRegisterResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.io.Serializable;
 import java.nio.ByteBuffer;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchReportRequestCodec.java
similarity index 98%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchReportRequestCodec.java
index 0b34a38ce2c..aef03edb12b 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchReportRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchReportResponseCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchReportResponseCodec.java
index 4fbaa6c4f4a..de5bc324267 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchReportResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import io.seata.core.protocol.transaction.BranchReportResponse;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRollbackRequestCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRollbackRequestCodec.java
index 801b1da6f0d..a041676c478 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRollbackRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 
 import io.seata.core.protocol.transaction.BranchRollbackRequest;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRollbackResponseCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRollbackResponseCodec.java
index 31b0b86c5d9..6d20ebc2261 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/BranchRollbackResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 
 import io.seata.core.protocol.transaction.BranchRollbackResponse;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalBeginRequestCodec.java
similarity index 97%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalBeginRequestCodec.java
index 3f84a3967f8..f36c14b28f9 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalBeginRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalBeginResponseCodec.java
similarity index 97%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalBeginResponseCodec.java
index ce2fdeeec78..2cb33bcbc35 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalBeginResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalCommitRequestCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalCommitRequestCodec.java
index 38fb5305dd6..ad29c7cdf40 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalCommitRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 
 import io.seata.core.protocol.transaction.GlobalCommitRequest;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalCommitResponseCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalCommitResponseCodec.java
index 783f1f4bf49..22d949fde45 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalCommitResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import io.seata.core.protocol.transaction.GlobalCommitResponse;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalLockQueryRequestCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalLockQueryRequestCodec.java
index 0f5ff42e221..975ecf7f699 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalLockQueryRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 
 import io.seata.core.protocol.transaction.GlobalLockQueryRequest;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalLockQueryResponseCodec.java
similarity index 96%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalLockQueryResponseCodec.java
index 83d8b31847d..75e89648e90 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalLockQueryResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalReportRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalReportRequestCodec.java
similarity index 96%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalReportRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalReportRequestCodec.java
index ce972a8d758..74317213d5f 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalReportRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalReportRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import io.netty.buffer.ByteBuf;
 import io.seata.core.model.GlobalStatus;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalReportResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalReportResponseCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalReportResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalReportResponseCodec.java
index 8e0e8979b99..3b2914d8657 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalReportResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalReportResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 
 import io.seata.core.protocol.transaction.GlobalReportResponse;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalRollbackRequestCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalRollbackRequestCodec.java
index f867bfa88cf..799b940af2f 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalRollbackRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import io.seata.core.protocol.transaction.GlobalRollbackRequest;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalRollbackResponseCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalRollbackResponseCodec.java
index d8d07b3ec52..01435f6fca5 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalRollbackResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 
 import io.seata.core.protocol.transaction.GlobalRollbackResponse;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalStatusRequestCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalStatusRequestCodec.java
index 905e5c23923..1ccbb1def21 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalStatusRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import io.seata.core.protocol.transaction.GlobalStatusRequest;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalStatusResponseCodec.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalStatusResponseCodec.java
index d4320693e26..edb4a639bcd 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/GlobalStatusResponseCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 
 import io.seata.core.protocol.transaction.GlobalStatusResponse;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/UndoLogDeleteRequestCodec.java
similarity index 97%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestCodec.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/UndoLogDeleteRequestCodec.java
index 7da2df6d58d..e09c8f13434 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/transaction/UndoLogDeleteRequestCodec.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.transaction;
+package io.seata.serializer.seata.protocol.v1.transaction;
 
 import java.nio.ByteBuffer;
 
diff --git a/test/src/test/java/io/seata/core/rpc/netty/v1/ProtocolV1Client.java b/test/src/test/java/io/seata/core/rpc/netty/v1/ProtocolV1Client.java
index 3b3c8c39894..ab61be1aa26 100644
--- a/test/src/test/java/io/seata/core/rpc/netty/v1/ProtocolV1Client.java
+++ b/test/src/test/java/io/seata/core/rpc/netty/v1/ProtocolV1Client.java
@@ -30,6 +30,8 @@
 import io.netty.util.concurrent.DefaultPromise;
 import io.seata.common.thread.NamedThreadFactory;
 import io.seata.common.thread.PositiveAtomicCounter;
+import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
+import io.seata.core.rpc.netty.CompatibleProtocolEncoder;
 import io.seata.core.serializer.SerializerType;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.ProtocolConstants;
@@ -80,8 +82,8 @@ public void connect(String host, int port, int connectTimeout) {
             @Override
             protected void initChannel(Channel channel) throws Exception {
                 ChannelPipeline pipeline = channel.pipeline();
-                pipeline.addLast(new ProtocolV1Encoder());
-                pipeline.addLast(new ProtocolV1Decoder(8 * 1024 * 1024));
+                pipeline.addLast(new CompatibleProtocolEncoder());
+                pipeline.addLast(new CompatibleProtocolDecoder(8 * 1024 * 1024));
                 pipeline.addLast(new ClientChannelHandler(ProtocolV1Client.this));
             }
         });
diff --git a/test/src/test/java/io/seata/core/rpc/netty/v1/ProtocolV1Server.java b/test/src/test/java/io/seata/core/rpc/netty/v1/ProtocolV1Server.java
index ed359183e88..2d150bbe9a9 100644
--- a/test/src/test/java/io/seata/core/rpc/netty/v1/ProtocolV1Server.java
+++ b/test/src/test/java/io/seata/core/rpc/netty/v1/ProtocolV1Server.java
@@ -31,6 +31,8 @@
 import io.netty.handler.logging.LogLevel;
 import io.netty.handler.logging.LoggingHandler;
 import io.seata.common.thread.NamedThreadFactory;
+import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
+import io.seata.core.rpc.netty.CompatibleProtocolEncoder;
 
 import java.net.InetSocketAddress;
 import java.util.concurrent.TimeUnit;
@@ -67,8 +69,8 @@ public void start() {
                     @Override
                     protected void initChannel(Channel channel) throws Exception {
                         ChannelPipeline pipeline = channel.pipeline();
-                        pipeline.addLast(new ProtocolV1Decoder(8 * 1024 * 1024));
-                        pipeline.addLast(new ProtocolV1Encoder());
+                        pipeline.addLast(new CompatibleProtocolDecoder(8 * 1024 * 1024));
+                        pipeline.addLast(new CompatibleProtocolEncoder());
                         pipeline.addLast(new ServerChannelHandler());
                     }
                 });

From ed03135f52f65aee92191dbba2f1749d21434d45 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Wed, 19 Jul 2023 16:33:47 +0800
Subject: [PATCH 03/22] protocol

---
 .../rpc/netty/old/MessageCodecHandler.java    | 221 ++++++++++++++++++
 .../rpc/netty/old/ProtocolOldDecoder.java     |  16 +-
 2 files changed, 228 insertions(+), 9 deletions(-)
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/old/MessageCodecHandler.java

diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/MessageCodecHandler.java b/core/src/main/java/io/seata/core/rpc/netty/old/MessageCodecHandler.java
new file mode 100644
index 00000000000..b74e9c724f4
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/old/MessageCodecHandler.java
@@ -0,0 +1,221 @@
+///*
+// *  Copyright 1999-2019 Seata.io Group.
+// *
+// *  Licensed under the Apache License, Version 2.0 (the "License");
+// *  you may not use this file except in compliance with the License.
+// *  You may obtain a copy of the License at
+// *
+// *       http://www.apache.org/licenses/LICENSE-2.0
+// *
+// *  Unless required by applicable law or agreed to in writing, software
+// *  distributed under the License is distributed on an "AS IS" BASIS,
+// *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// *  See the License for the specific language governing permissions and
+// *  limitations under the License.
+// */
+//package io.seata.core.rpc.netty.old;
+//
+//import io.netty.buffer.ByteBuf;
+//import io.netty.channel.ChannelHandlerContext;
+//import io.netty.handler.codec.ByteToMessageCodec;
+//import io.seata.core.protocol.AbstractMessage;
+//import io.seata.core.protocol.HeartbeatMessage;
+//import io.seata.core.protocol.RpcMessage;
+//import org.slf4j.Logger;
+//import org.slf4j.LoggerFactory;
+//
+//import java.nio.ByteBuffer;
+//import java.util.List;
+////todo 协议
+//
+///**
+// * The type Message codec handler.
+// * RpcMessage protocol
+// * 0     1     2     3     4           6           8          10           12          14         16
+// * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+// * |   0xdada  |   flag    | typecode/ |                 requestid                     |           |
+// * |           |           | bodylength|                                               |           |
+// * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+           +
+// * |                                    ... ...                                                    |
+// * +                                                                                               +
+// * |                                     body                                                      |
+// * +                                                                                               +
+// * |                                    ... ...                                                    |
+// * +-----------------------------------------------------------------------------------------------+
+// *
+// * @author jimin.jm @alibaba-inc.com
+// * @date 2018 /9/14
+// */
+//public class MessageCodecHandler extends ByteToMessageCodec<RpcMessage> {
+//
+//    private static final Logger LOGGER = LoggerFactory.getLogger(MessageCodecHandler.class);
+//    private static short MAGIC = (short)0xdada;
+//    private static int HEAD_LENGTH = 14;
+//    private static final int FLAG_REQUEST = 0x80;
+//    private static final int FLAG_ASYNC = 0x40;
+//    private static final int FLAG_HEARTBEAT = 0x20;
+//    private static final int FLAG_SEATA_CODEC = 0x10;
+//    private static final int MAGIC_HALF = -38;
+//    private static final int NOT_FOUND_INDEX = -1;
+//
+//    @Override
+//    protected void encode(ChannelHandlerContext ctx, RpcMessage msg, ByteBuf out) throws Exception {
+//        MessageCodec msgCodec = null;
+//        ByteBuffer byteBuffer = ByteBuffer.allocate(128);
+//        if (msg.getBody() instanceof MessageCodec) {
+//            msgCodec = (MessageCodec)msg.getBody();
+//        }
+//        byteBuffer.putShort(MAGIC);
+//        int flag = (msg.isAsync() ? FLAG_ASYNC : 0)
+//            | (msg.isHeartbeat() ? FLAG_HEARTBEAT : 0)
+//            | (msg.isRequest() ? FLAG_REQUEST : 0)
+//            | (msgCodec != null ? FLAG_SEATA_CODEC : 0);
+//
+//        byteBuffer.putShort((short)flag);
+//
+//        if (msg.getBody() instanceof HeartbeatMessage) {
+//            byteBuffer.putShort((short)0);
+//            byteBuffer.putLong(msg.getId());
+//            byteBuffer.flip();
+//            out.writeBytes(byteBuffer);
+//            return;
+//        }
+//
+//        try {
+//            if (null != msgCodec) {
+//                byteBuffer.putShort(msgCodec.getTypeCode());
+//                byteBuffer.putLong(msg.getId());
+//
+//                byteBuffer.flip();
+//                out.writeBytes(byteBuffer);
+//                out.writeBytes(msgCodec.encode());
+//            } else {
+//                if (LOGGER.isInfoEnabled()) {
+//                    LOGGER.info("msg:" + msg.getBody().toString());
+//                }
+//                byte[] body = hessianSerialize(msg.getBody());
+//                byteBuffer.putShort((short)body.length);
+//                byteBuffer.putLong(msg.getId());
+//                byteBuffer.put(body);
+//
+//                byteBuffer.flip();
+//                out.writeBytes(byteBuffer);
+//            }
+//        } catch (Exception e) {
+//            LOGGER.error(msg.getBody() + " encode error", "", e);
+//            throw e;
+//        }
+//        if (LOGGER.isDebugEnabled()) {
+//            LOGGER.debug("Send:" + msg.getBody());
+//        }
+//    }
+//
+//    @Override
+//    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
+//
+//        if (in.readableBytes() < HEAD_LENGTH) {
+//            return;
+//        }
+//        in.markReaderIndex();
+//        short protocol = in.readShort();
+//        if (protocol != MAGIC) {
+//            String emsg = "decode error,Unknown protocol: " + protocol + ",will close channel:" + ctx.channel();
+//            LOGGER.error(emsg);
+//            ctx.channel().close();
+//            return;
+//        }
+//
+//        int flag = (int)in.readShort();
+//
+//        boolean isHeartbeat = (FLAG_HEARTBEAT & flag) > 0;
+//        boolean isRequest = (FLAG_REQUEST & flag) > 0;
+//        boolean isSeataCodec = (FLAG_SEATA_CODEC & flag) > 0;
+//
+//        short bodyLength = 0;
+//        short typeCode = 0;
+//        if (!isSeataCodec) { bodyLength = in.readShort(); } else { typeCode = in.readShort(); }
+//        long msgId = in.readLong();
+//        if (isHeartbeat) {
+//            RpcMessage rpcMessage = new RpcMessage();
+//            rpcMessage.setId(msgId);
+//            rpcMessage.setAsync(true);
+//            rpcMessage.setHeartbeat(isHeartbeat);
+//            rpcMessage.setRequest(isRequest);
+//            if (isRequest) {
+//                rpcMessage.setBody(HeartbeatMessage.PING);
+//            } else {
+//                rpcMessage.setBody(HeartbeatMessage.PONG);
+//            }
+//            out.add(rpcMessage);
+//            return;
+//        }
+//
+//        if (bodyLength > 0 && in.readableBytes() < bodyLength) {
+//            in.resetReaderIndex();
+//            return;
+//        }
+//
+//        RpcMessage rpcMessage = new RpcMessage();
+//        rpcMessage.setId(msgId);
+//        rpcMessage.setAsync((FLAG_ASYNC & flag) > 0);
+//        rpcMessage.setHeartbeat(false);
+//        rpcMessage.setRequest(isRequest);
+//
+//        try {
+//            if (isSeataCodec) {
+//                MessageCodec msgCodec = AbstractMessage.getMsgInstanceByCode(typeCode);
+//                if (!msgCodec.decode(in)) {
+//                    in.resetReaderIndex();
+//                    return;
+//                }
+//                rpcMessage.setBody(msgCodec);
+//            } else {
+//                byte[] body = new byte[bodyLength];
+//                in.readBytes(body);
+//                Object bodyObject = hessianDeserialize(body);
+//                rpcMessage.setBody(bodyObject);
+//            }
+//        } catch (Exception e) {
+//            LOGGER.error("decode error", "", e);
+//            throw e;
+//        }
+//        out.add(rpcMessage);
+//        if (LOGGER.isDebugEnabled()) {
+//            LOGGER.debug("Receive:" + rpcMessage.getBody() + ",messageId:"
+//                + msgId);
+//        }
+//
+//    }
+//
+//    /**
+//     * Hessian serialize byte [ ].
+//     *
+//     * @param object the object
+//     * @return the byte [ ]
+//     * @throws Exception the exception
+//     */
+//    private static byte[] hessianSerialize(Object object) throws Exception {
+//        if (object == null) {
+//            throw new NullPointerException();
+//        }
+//        //todo user defined exx
+//        throw new RuntimeException("hessianSerialize not support");
+//
+//    }
+//
+//    /**
+//     * Hessian deserialize object.
+//     *
+//     * @param bytes the bytes
+//     * @return the object
+//     * @throws Exception the exception
+//     */
+//    private static Object hessianDeserialize(byte[] bytes) throws Exception {
+//        if (bytes == null) {
+//            throw new NullPointerException();
+//        }
+//        //todo user defined exx
+//        throw new RuntimeException("hessianDeserialize not support");
+//
+//    }
+//}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
index 179e4331859..3f161bc341b 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
@@ -96,7 +96,11 @@ public static RpcMessage decodeFrame(ByteBuf frame) {
 
         short bodyLength = 0;
         short typeCode = 0;
-        if (!isSeataCodec) { bodyLength = frame.readShort(); } else { typeCode = frame.readShort(); }
+        if (!isSeataCodec) {
+            bodyLength = frame.readShort();
+        } else {
+            typeCode = frame.readShort();
+        }
         long msgId = frame.readLong();
         RpcMessage rpcMessage = new RpcMessage();
         rpcMessage.setCompressor(CompressorType.NONE.getCode());
@@ -121,19 +125,13 @@ public static RpcMessage decodeFrame(ByteBuf frame) {
             return rpcMessage;
         }
 
-        // TODO  怎样知道是不是one way
+        // todo  怎样知道是不是one way
         rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
         rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
 
+        // todo 暂时新旧的都按这样写，应该要剥离开来（用typeCode判断序列化方式）
         rpcMessage.setBody(CompatibleProtocolDecoder.getBody(frame, rpcMessage.getMessageType(),
                 rpcMessage.getCompressor(),rpcMessage.getCodec(),bodyLength));
         return rpcMessage;
     }
-
-    private static short getShort(byte b0, byte b1) {
-        ByteBuffer byteBufferX = ByteBuffer.allocate(128);
-        byteBufferX.put(b0);
-        byteBufferX.put(b1);
-        return byteBufferX.getShort(0);
-    }
 }

From 53a98ea2d82fdd9d6040d7d9e0023325542627b6 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Wed, 19 Jul 2023 16:50:49 +0800
Subject: [PATCH 04/22] protocol

---
 .../rpc/netty/CompatibleProtocolDecoder.java  |  3 +-
 .../rpc/netty/CompatibleProtocolEncoder.java  |  2 +-
 .../core/rpc/netty/v2/ProtocolV2Decoder.java  | 63 ++++++++++++++++++
 .../core/rpc/netty/v2/ProtocolV2Encoder.java  | 66 +++++++++++++++++++
 .../seata/protocol/v2/package-info.java       |  1 +
 5 files changed, 133 insertions(+), 2 deletions(-)
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Decoder.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Encoder.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v2/package-info.java

diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
index 5a92b9afe8b..67d5401dede 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
@@ -56,7 +56,7 @@
  * </p>
  * https://github.com/seata/seata/issues/893
  *
- * @author minghua.xie
+ * @author Bughue
  * @since 2.0.0
  */
 public class CompatibleProtocolDecoder extends LengthFieldBasedFrameDecoder {
@@ -91,6 +91,7 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
                     if(version == ProtocolConstants.OLD_VERSION){
                         return ProtocolOldDecoder.decodeFrame(frame);
                     }else if(version == ProtocolConstants.VERSION){
+                        // todo spi?
                         return ProtocolV1Decoder.decodeFrame(frame);
                     }else {
                         throw new IllegalArgumentException("Unknown version: " + version );
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
index b129072ef6c..f1482cee564 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
@@ -32,7 +32,7 @@
  * </p>
  * https://github.com/seata/seata/issues/893
  *
- * @author minghua.xie
+ * @author Bughue
  * @since 2.0.0
  */
 public class CompatibleProtocolEncoder extends MessageToByteEncoder {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Decoder.java
new file mode 100644
index 00000000000..78f35c3bb82
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Decoder.java
@@ -0,0 +1,63 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.v2;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
+import io.seata.core.rpc.netty.v1.HeadMapSerializer;
+import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+/**
+ * <pre>
+ * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
+ * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
+ * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ * |                                                                                               |
+ * |                                   Head Map [Optional]                                         |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ * |                                                                                               |
+ * |                                         body                                                  |
+ * |                                                                                               |
+ * |                                        ... ...                                                |
+ * +-----------------------------------------------------------------------------------------------+
+ * </pre>
+ * <p>
+ * <li>Full Length: include all data </li>
+ * <li>Head Length: include head data from magic code to head map. </li>
+ * <li>Body Length: Full Length - Head Length</li>
+ * </p>
+ * https://github.com/seata/seata/issues/893
+ *
+ * @author Bughue
+ */
+public class ProtocolV2Decoder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV2Decoder.class);
+
+    public static Object decodeFrame(ByteBuf frame) {
+        // todo
+        return null;
+    }
+
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Encoder.java
new file mode 100644
index 00000000000..3ca8ba28276
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Encoder.java
@@ -0,0 +1,66 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.v2;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.core.compressor.Compressor;
+import io.seata.core.compressor.CompressorFactory;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.old.ProtocolOldEncoder;
+import io.seata.core.rpc.netty.v1.HeadMapSerializer;
+import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
+import io.seata.core.serializer.Serializer;
+import io.seata.core.serializer.SerializerServiceLoader;
+import io.seata.core.serializer.SerializerType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+/**
+ * <pre>
+ * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
+ * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
+ * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ * |                                                                                               |
+ * |                                   Head Map [Optional]                                         |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
+ * |                                                                                               |
+ * |                                         body                                                  |
+ * |                                                                                               |
+ * |                                        ... ...                                                |
+ * +-----------------------------------------------------------------------------------------------+
+ * </pre>
+ * <p>
+ * <li>Full Length: include all data </li>
+ * <li>Head Length: include head data from magic code to head map. </li>
+ * <li>Body Length: Full Length - Head Length</li>
+ * </p>
+ * https://github.com/seata/seata/issues/893
+ *
+ * @author Bughue
+ */
+public class ProtocolV2Encoder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldEncoder.class);
+
+    public static void encode(RpcMessage rpcMessage, ByteBuf out) {
+        // todo
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v2/package-info.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v2/package-info.java
new file mode 100644
index 00000000000..7ae085eae2c
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v2/package-info.java
@@ -0,0 +1 @@
+package io.seata.serializer.seata.protocol.v2;
\ No newline at end of file

From b909ddee7c22f8de798aacdb6997fbda47b5c53f Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 17 Aug 2023 13:38:44 +0800
Subject: [PATCH 05/22] protocol

---
 .../common/loader/EnhancedServiceLoader.java  |  25 +-
 .../common/loader/ExtensionDefinition.java    |  10 +-
 .../io/seata/common/loader/LoadLevel.java     |   7 +
 .../core/protocol/ProtocolConstants.java      |   4 +-
 .../netty/AbstractNettyRemotingClient.java    |  15 +-
 .../netty/AbstractNettyRemotingServer.java    |  17 +-
 .../rpc/netty/CompatibleProtocolDecoder.java  |  50 +---
 .../seata/core/rpc/netty/ProtocolDecoder.java |  10 +
 .../seata/core/rpc/netty/ProtocolEncoder.java |   4 +
 .../core/rpc/netty/ProtocolRpcMessage.java    |  13 +
 .../rpc/netty/old/MessageCodecHandler.java    | 221 --------------
 .../rpc/netty/old/ProtocolOldConstants.java   |  16 --
 .../rpc/netty/old/ProtocolOldDecoder.java     | 137 ---------
 .../core/rpc/netty/v0/MessageCodecV0.java     |  48 ++++
 .../rpc/netty/v0/ProtocolV0Constants.java     |  31 ++
 .../core/rpc/netty/v0/ProtocolV0Decoder.java  | 138 +++++++++
 .../ProtocolV0Encoder.java}                   |  12 +-
 .../rpc/netty/v0/ProtocolV0RpcMessage.java    | 179 ++++++++++++
 .../seata/core/rpc/netty/v0/SerializerV0.java |   6 +
 .../core/rpc/netty/v1/ProtocolV1Decoder.java  |  28 +-
 .../core/rpc/netty/v1/ProtocolV1Encoder.java  |  13 +-
 .../rpc/netty/v1/ProtocolV1RpcMessage.java    | 187 ++++++++++++
 .../core/rpc/netty/v2/ProtocolV2Decoder.java  |  63 ----
 .../core/rpc/netty/v2/ProtocolV2Encoder.java  |  66 -----
 .../serializer/SerializerServiceLoader.java   |   4 +-
 ...izer.java => SeataAbstractSerializer.java} |  53 +++-
 .../seata/protocol/old/package-info.java      |   1 -
 .../protocol/v0/AbstractIdentifyRequest.java  | 271 ++++++++++++++++++
 .../protocol/v0/AbstractIdentifyResponse.java | 144 ++++++++++
 .../seata/protocol/v0/AbstractMessageV0.java  |  86 ++++++
 .../protocol/v0/AbstractResultMessageV0.java  | 155 ++++++++++
 .../seata/protocol/v0/MergedMessageV0.java    |  33 +++
 .../seata/protocol/v0/RegisterRMRequest.java  | 174 +++++++++++
 .../seata/protocol/v0/RegisterRMResponse.java |  53 ++++
 .../seata/protocol/v0/RegisterTMRequest.java  |  73 +++++
 .../seata/protocol/v0/RegisterTMResponse.java |  53 ++++
 .../seata/protocol/v0/SeataV0Serializer.java  | 139 +++++++++
 .../seata/protocol/v1/SeataV1Serializer.java  |  47 +++
 .../seata/protocol/v2/package-info.java       |   1 -
 .../io.seata.core.serializer.Serializer       |   3 +-
 .../BatchResultMessageSerializerTest.java     |   4 +-
 .../MergeResultMessageSerializerTest.java     |   4 +-
 .../MergedWarpMessageSerializerTest.java      |   4 +-
 .../RegisterRMRequestSerializerTest.java      |   4 +-
 .../RegisterRMResponseSerializerTest.java     |   4 +-
 .../RegisterTMRequestSerializerTest.java      |   4 +-
 .../RegisterTMResponseSerializerTest.java     |   4 +-
 .../BranchCommitRequestSerializerTest.java    |   4 +-
 .../BranchCommitResponseSerializerTest.java   |   4 +-
 .../BranchRegisterRequestSerializerTest.java  |   4 +-
 .../BranchRegisterResponseSerializerTest.java |   4 +-
 .../BranchReportRequestSerializerTest.java    |   4 +-
 .../BranchReportResponseSerializerTest.java   |   4 +-
 .../BranchRollbackRequestSerializerTest.java  |   4 +-
 .../BranchRollbackResponseSerializerTest.java |   4 +-
 .../GlobalBeginRequestSerializerTest.java     |   4 +-
 .../GlobalBeginResponseSerializerTest.java    |   4 +-
 .../GlobalCommitRequestCodecTest.java         |   4 +-
 .../GlobalCommitResponseSerializerTest.java   |   4 +-
 .../GlobalLockQueryRequestSerializerTest.java |   4 +-
 ...GlobalLockQueryResponseSerializerTest.java |   4 +-
 .../GlobalRollbackRequestCodecTest.java       |   4 +-
 .../GlobalRollbackResponseSerializerTest.java |   4 +-
 .../GlobalStatusRequestCodecTest.java         |   4 +-
 .../GlobalStatusResponseSerializerTest.java   |   4 +-
 .../UndoLogDeleteRequestSerializerTest.java   |   4 +-
 66 files changed, 2059 insertions(+), 635 deletions(-)
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
 delete mode 100644 core/src/main/java/io/seata/core/rpc/netty/old/MessageCodecHandler.java
 delete mode 100644 core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldConstants.java
 delete mode 100644 core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
 rename core/src/main/java/io/seata/core/rpc/netty/{old/ProtocolOldEncoder.java => v0/ProtocolV0Encoder.java} (90%)
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/v0/SerializerV0.java
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
 delete mode 100644 core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Decoder.java
 delete mode 100644 core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Encoder.java
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/{SeataSerializer.java => SeataAbstractSerializer.java} (58%)
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/old/package-info.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequest.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponse.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageV0.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageV0.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedMessageV0.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMRequest.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMResponse.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequest.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponse.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataV1Serializer.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v2/package-info.java

diff --git a/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java b/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
index dc56d50f76c..344f555d6c6 100644
--- a/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
+++ b/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
@@ -25,6 +25,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.stream.Collectors;
@@ -88,6 +89,11 @@ public static <S> S load(Class<S> service, String activateName) throws EnhancedS
         return InnerEnhancedServiceLoader.getServiceLoader(service).load(activateName, findClassLoader());
     }
 
+
+    public static <S> S load(Class<S> service, String activateName,int version) throws EnhancedServiceNotFoundException {
+        return InnerEnhancedServiceLoader.getServiceLoader(service).loadExtension(activateName, findClassLoader(), null, null, version);
+    }
+
     /**
      * Specify classLoader to load the service provider
      *
@@ -407,13 +413,13 @@ private S loadExtension(ClassLoader loader, Class<?>[] argTypes, Object[] args)
 
         @SuppressWarnings("rawtypes")
         private S loadExtension(String activateName, ClassLoader loader, Class[] argTypes,
-                                Object[] args) {
+                                Object[] args, int version) {
             if (StringUtils.isEmpty(activateName)) {
                 throw new IllegalArgumentException("the name of service provider for [" + type.getName() + "] name is null");
             }
             try {
                 loadAllExtensionClass(loader);
-                ExtensionDefinition<S> cachedExtensionDefinition = getCachedExtensionDefinition(activateName);
+                ExtensionDefinition<S> cachedExtensionDefinition = getCachedExtensionDefinition(activateName, version);
                 return getExtensionInstance(cachedExtensionDefinition, loader, argTypes, args);
             } catch (Throwable e) {
                 if (e instanceof EnhancedServiceNotFoundException) {
@@ -426,6 +432,13 @@ private S loadExtension(String activateName, ClassLoader loader, Class[] argType
             }
         }
 
+
+        @SuppressWarnings("rawtypes")
+        private S loadExtension(String activateName, ClassLoader loader, Class[] argTypes,
+                                Object[] args) {
+            return loadExtension(activateName,loader,argTypes,args, -1);
+        }
+
         private S getExtensionInstance(ExtensionDefinition<S> definition, ClassLoader loader, Class<?>[] argTypes,
                                        Object[] args) {
             if (definition == null) {
@@ -615,8 +628,14 @@ private ExtensionDefinition<S> getDefaultExtensionDefinition() {
             return CollectionUtils.getLast(currentDefinitions);
         }
 
-        private ExtensionDefinition<S> getCachedExtensionDefinition(String activateName) {
+        private ExtensionDefinition<S> getCachedExtensionDefinition(String activateName, int version) {
             List<ExtensionDefinition<S>> definitions = nameToDefinitionsMap.get(activateName);
+            if (version < 0) {
+                Optional<ExtensionDefinition<S>> first = definitions.stream().filter(d -> d.getVersion() == version).findFirst();
+                if (first.isPresent()) {
+                    return first.get();
+                }
+            }
             return CollectionUtils.getLast(definitions);
         }
 
diff --git a/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java b/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
index ea8b4790c1a..2a6c4fe0394 100644
--- a/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
+++ b/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
@@ -28,11 +28,15 @@ final class ExtensionDefinition<S> {
     private final String name;
     private final Class<S> serviceClass;
     private final Integer order;
+    private final Integer version;
     private final Scope scope;
 
     public Integer getOrder() {
         return this.order;
     }
+    public Integer getVersion() {
+        return this.version;
+    }
 
     public Class<S> getServiceClass() {
         return this.serviceClass;
@@ -43,12 +47,16 @@ public Scope getScope() {
     }
 
     public ExtensionDefinition(String name, Integer order, Scope scope, Class<S> clazz) {
+        this(name,order,scope,clazz,0);
+    }
+
+    public ExtensionDefinition(String name, Integer order, Scope scope, Class<S> clazz,int version) {
         this.name = name;
         this.order = order;
+        this.version = version;
         this.scope = scope;
         this.serviceClass = clazz;
     }
-
     @Override
     public int hashCode() {
         final int prime = 31;
diff --git a/common/src/main/java/io/seata/common/loader/LoadLevel.java b/common/src/main/java/io/seata/common/loader/LoadLevel.java
index 1c974a6a03f..cdc08eed059 100644
--- a/common/src/main/java/io/seata/common/loader/LoadLevel.java
+++ b/common/src/main/java/io/seata/common/loader/LoadLevel.java
@@ -44,6 +44,13 @@
      */
     int order() default 0;
 
+    /**
+     * version int.
+     *
+     * @return the int
+     */
+    byte version() default -1;
+
     /**
      * Scope enum.
      */
diff --git a/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java b/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
index 6684f3c980a..769887fe6a0 100644
--- a/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
+++ b/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
@@ -34,12 +34,12 @@ public interface ProtocolConstants {
     /**
      * Old protocol version
      */
-    byte OLD_VERSION = 0;
+    byte VERSION_0 = 0;
 
     /**
      * Protocol version
      */
-    byte VERSION = 1;
+    byte VERSION_1 = 1;
 
     /**
      * Max frame length
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
index 8766cde4873..3bab93615d6 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
@@ -56,6 +56,8 @@
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
 import io.seata.core.rpc.RemotingClient;
 import io.seata.core.rpc.TransactionMessageHandler;
+import io.seata.core.rpc.netty.v0.ProtocolV0RpcMessage;
+import io.seata.core.rpc.netty.v1.ProtocolV1RpcMessage;
 import io.seata.core.rpc.processor.Pair;
 import io.seata.core.rpc.processor.RemotingProcessor;
 import io.seata.discovery.loadbalance.LoadBalanceFactory;
@@ -413,10 +415,17 @@ class ClientHandler extends ChannelDuplexHandler {
 
         @Override
         public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
-            if (!(msg instanceof RpcMessage)) {
-                return;
+            RpcMessage rpcMessage = null;
+            if (msg instanceof ProtocolRpcMessage) {
+                rpcMessage = ((ProtocolRpcMessage) msg).convert2RpcMsg();
+            }
+
+            if (rpcMessage != null) {
+                processMessage(ctx, rpcMessage);
+            } else {
+                //todo 会有这种情况吗？？【特殊】
+                //打日志？
             }
-            processMessage(ctx, (RpcMessage) msg);
         }
 
         @Override
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
index 4e67446b547..32a1e76e436 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
@@ -33,6 +33,8 @@
 import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.RemotingServer;
 import io.seata.core.rpc.RpcContext;
+import io.seata.core.rpc.netty.v0.ProtocolV0RpcMessage;
+import io.seata.core.rpc.netty.v1.ProtocolV1RpcMessage;
 import io.seata.core.rpc.processor.Pair;
 import io.seata.core.rpc.processor.RemotingProcessor;
 import org.slf4j.Logger;
@@ -163,10 +165,19 @@ class ServerHandler extends ChannelDuplexHandler {
          */
         @Override
         public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
-            if (!(msg instanceof RpcMessage)) {
-                return;
+            RpcMessage rpcMessage= convert(msg);
+            if (rpcMessage != null) {
+                processMessage(ctx, rpcMessage);
+            } else {
+                //todo 正常会有这种情况吗？打日志还是抛异常？
+            }
+        }
+
+        private RpcMessage convert(Object msg) {
+            if(msg instanceof ProtocolRpcMessage){
+                return ((ProtocolRpcMessage) msg).convert2RpcMsg();
             }
-            processMessage(ctx, (RpcMessage) msg);
+            return null;
         }
 
         @Override
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
index 67d5401dede..efec66ad187 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
@@ -15,23 +15,19 @@
  */
 package io.seata.core.rpc.netty;
 
+import com.google.common.collect.ImmutableMap;
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
-import io.seata.core.compressor.Compressor;
-import io.seata.core.compressor.CompressorFactory;
 import io.seata.core.exception.DecodeException;
-import io.seata.core.protocol.HeartbeatMessage;
 import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.netty.old.ProtocolOldDecoder;
+import io.seata.core.rpc.netty.v0.ProtocolV0Decoder;
 import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
-import io.seata.core.serializer.Serializer;
-import io.seata.core.serializer.SerializerServiceLoader;
-import io.seata.core.serializer.SerializerType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Map;
+
 /**
  * <pre>
  * (> 0.7.0)
@@ -62,10 +58,15 @@
 public class CompatibleProtocolDecoder extends LengthFieldBasedFrameDecoder {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(CompatibleProtocolDecoder.class);
+    private static Map<Byte, ProtocolDecoder> protocolDecoderMap;
 
     public CompatibleProtocolDecoder() {
         // default is 8M
         this(ProtocolConstants.MAX_FRAME_LENGTH);
+        protocolDecoderMap = ImmutableMap.<Byte, ProtocolDecoder>builder()
+                .put(ProtocolConstants.VERSION_0, new ProtocolV0Decoder())
+                .put(ProtocolConstants.VERSION_1, new ProtocolV1Decoder())
+                .build();
     }
 
     public CompatibleProtocolDecoder(int maxFrameLength) {
@@ -85,18 +86,15 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
         try {
             decoded = super.decode(ctx, in);
             if (decoded instanceof ByteBuf) {
-                ByteBuf frame = (ByteBuf)decoded;
+                ByteBuf frame = (ByteBuf) decoded;
                 try {
                     byte version = decideVersion(frame);
-                    if(version == ProtocolConstants.OLD_VERSION){
-                        return ProtocolOldDecoder.decodeFrame(frame);
-                    }else if(version == ProtocolConstants.VERSION){
-                        // todo spi?
-                        return ProtocolV1Decoder.decodeFrame(frame);
-                    }else {
-                        throw new IllegalArgumentException("Unknown version: " + version );
+                    ProtocolDecoder decoder = protocolDecoderMap.get(version);
+                    if (decoder == null) {
+                        // todo 要不要适配当前版本？
+                        throw new IllegalArgumentException("Unknown version: " + version);
                     }
-
+                    return decoder.decodeFrame(frame);
                 } finally {
                     frame.release();
                 }
@@ -123,22 +121,4 @@ protected byte decideVersion(ByteBuf frame) {
     }
 
 
-    public static Object getBody(ByteBuf frame, byte messageType, byte compressorType, byte codecType, int bodyLength) {
-        Object body = null;
-        if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST) {
-            body = HeartbeatMessage.PING;
-        } else if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
-            body = HeartbeatMessage.PONG;
-        } else {
-            if (bodyLength > 0) {
-                byte[] bs = new byte[bodyLength];
-                frame.readBytes(bs);
-                Compressor compressor = CompressorFactory.getCompressor(compressorType);
-                bs = compressor.decompress(bs);
-                Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codecType));
-                body = serializer.deserialize(bs);
-            }
-        }
-        return body;
-    }
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
new file mode 100644
index 00000000000..5f1fc6a90dd
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
@@ -0,0 +1,10 @@
+package io.seata.core.rpc.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.core.rpc.netty.v0.ProtocolV0RpcMessage;
+
+public interface ProtocolDecoder {
+
+    ProtocolRpcMessage decodeFrame(ByteBuf in);
+
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
new file mode 100644
index 00000000000..ceca3e9bd7f
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
@@ -0,0 +1,4 @@
+package io.seata.core.rpc.netty;
+
+public interface ProtocolEncoder {
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
new file mode 100644
index 00000000000..13c60b59900
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
@@ -0,0 +1,13 @@
+package io.seata.core.rpc.netty;
+
+import io.seata.core.protocol.RpcMessage;
+
+/**
+ * The protocol RPC message.
+ *
+ * @author Bughue
+ */
+public interface ProtocolRpcMessage {
+    RpcMessage convert2RpcMsg();
+
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/MessageCodecHandler.java b/core/src/main/java/io/seata/core/rpc/netty/old/MessageCodecHandler.java
deleted file mode 100644
index b74e9c724f4..00000000000
--- a/core/src/main/java/io/seata/core/rpc/netty/old/MessageCodecHandler.java
+++ /dev/null
@@ -1,221 +0,0 @@
-///*
-// *  Copyright 1999-2019 Seata.io Group.
-// *
-// *  Licensed under the Apache License, Version 2.0 (the "License");
-// *  you may not use this file except in compliance with the License.
-// *  You may obtain a copy of the License at
-// *
-// *       http://www.apache.org/licenses/LICENSE-2.0
-// *
-// *  Unless required by applicable law or agreed to in writing, software
-// *  distributed under the License is distributed on an "AS IS" BASIS,
-// *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// *  See the License for the specific language governing permissions and
-// *  limitations under the License.
-// */
-//package io.seata.core.rpc.netty.old;
-//
-//import io.netty.buffer.ByteBuf;
-//import io.netty.channel.ChannelHandlerContext;
-//import io.netty.handler.codec.ByteToMessageCodec;
-//import io.seata.core.protocol.AbstractMessage;
-//import io.seata.core.protocol.HeartbeatMessage;
-//import io.seata.core.protocol.RpcMessage;
-//import org.slf4j.Logger;
-//import org.slf4j.LoggerFactory;
-//
-//import java.nio.ByteBuffer;
-//import java.util.List;
-////todo 协议
-//
-///**
-// * The type Message codec handler.
-// * RpcMessage protocol
-// * 0     1     2     3     4           6           8          10           12          14         16
-// * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
-// * |   0xdada  |   flag    | typecode/ |                 requestid                     |           |
-// * |           |           | bodylength|                                               |           |
-// * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+           +
-// * |                                    ... ...                                                    |
-// * +                                                                                               +
-// * |                                     body                                                      |
-// * +                                                                                               +
-// * |                                    ... ...                                                    |
-// * +-----------------------------------------------------------------------------------------------+
-// *
-// * @author jimin.jm @alibaba-inc.com
-// * @date 2018 /9/14
-// */
-//public class MessageCodecHandler extends ByteToMessageCodec<RpcMessage> {
-//
-//    private static final Logger LOGGER = LoggerFactory.getLogger(MessageCodecHandler.class);
-//    private static short MAGIC = (short)0xdada;
-//    private static int HEAD_LENGTH = 14;
-//    private static final int FLAG_REQUEST = 0x80;
-//    private static final int FLAG_ASYNC = 0x40;
-//    private static final int FLAG_HEARTBEAT = 0x20;
-//    private static final int FLAG_SEATA_CODEC = 0x10;
-//    private static final int MAGIC_HALF = -38;
-//    private static final int NOT_FOUND_INDEX = -1;
-//
-//    @Override
-//    protected void encode(ChannelHandlerContext ctx, RpcMessage msg, ByteBuf out) throws Exception {
-//        MessageCodec msgCodec = null;
-//        ByteBuffer byteBuffer = ByteBuffer.allocate(128);
-//        if (msg.getBody() instanceof MessageCodec) {
-//            msgCodec = (MessageCodec)msg.getBody();
-//        }
-//        byteBuffer.putShort(MAGIC);
-//        int flag = (msg.isAsync() ? FLAG_ASYNC : 0)
-//            | (msg.isHeartbeat() ? FLAG_HEARTBEAT : 0)
-//            | (msg.isRequest() ? FLAG_REQUEST : 0)
-//            | (msgCodec != null ? FLAG_SEATA_CODEC : 0);
-//
-//        byteBuffer.putShort((short)flag);
-//
-//        if (msg.getBody() instanceof HeartbeatMessage) {
-//            byteBuffer.putShort((short)0);
-//            byteBuffer.putLong(msg.getId());
-//            byteBuffer.flip();
-//            out.writeBytes(byteBuffer);
-//            return;
-//        }
-//
-//        try {
-//            if (null != msgCodec) {
-//                byteBuffer.putShort(msgCodec.getTypeCode());
-//                byteBuffer.putLong(msg.getId());
-//
-//                byteBuffer.flip();
-//                out.writeBytes(byteBuffer);
-//                out.writeBytes(msgCodec.encode());
-//            } else {
-//                if (LOGGER.isInfoEnabled()) {
-//                    LOGGER.info("msg:" + msg.getBody().toString());
-//                }
-//                byte[] body = hessianSerialize(msg.getBody());
-//                byteBuffer.putShort((short)body.length);
-//                byteBuffer.putLong(msg.getId());
-//                byteBuffer.put(body);
-//
-//                byteBuffer.flip();
-//                out.writeBytes(byteBuffer);
-//            }
-//        } catch (Exception e) {
-//            LOGGER.error(msg.getBody() + " encode error", "", e);
-//            throw e;
-//        }
-//        if (LOGGER.isDebugEnabled()) {
-//            LOGGER.debug("Send:" + msg.getBody());
-//        }
-//    }
-//
-//    @Override
-//    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
-//
-//        if (in.readableBytes() < HEAD_LENGTH) {
-//            return;
-//        }
-//        in.markReaderIndex();
-//        short protocol = in.readShort();
-//        if (protocol != MAGIC) {
-//            String emsg = "decode error,Unknown protocol: " + protocol + ",will close channel:" + ctx.channel();
-//            LOGGER.error(emsg);
-//            ctx.channel().close();
-//            return;
-//        }
-//
-//        int flag = (int)in.readShort();
-//
-//        boolean isHeartbeat = (FLAG_HEARTBEAT & flag) > 0;
-//        boolean isRequest = (FLAG_REQUEST & flag) > 0;
-//        boolean isSeataCodec = (FLAG_SEATA_CODEC & flag) > 0;
-//
-//        short bodyLength = 0;
-//        short typeCode = 0;
-//        if (!isSeataCodec) { bodyLength = in.readShort(); } else { typeCode = in.readShort(); }
-//        long msgId = in.readLong();
-//        if (isHeartbeat) {
-//            RpcMessage rpcMessage = new RpcMessage();
-//            rpcMessage.setId(msgId);
-//            rpcMessage.setAsync(true);
-//            rpcMessage.setHeartbeat(isHeartbeat);
-//            rpcMessage.setRequest(isRequest);
-//            if (isRequest) {
-//                rpcMessage.setBody(HeartbeatMessage.PING);
-//            } else {
-//                rpcMessage.setBody(HeartbeatMessage.PONG);
-//            }
-//            out.add(rpcMessage);
-//            return;
-//        }
-//
-//        if (bodyLength > 0 && in.readableBytes() < bodyLength) {
-//            in.resetReaderIndex();
-//            return;
-//        }
-//
-//        RpcMessage rpcMessage = new RpcMessage();
-//        rpcMessage.setId(msgId);
-//        rpcMessage.setAsync((FLAG_ASYNC & flag) > 0);
-//        rpcMessage.setHeartbeat(false);
-//        rpcMessage.setRequest(isRequest);
-//
-//        try {
-//            if (isSeataCodec) {
-//                MessageCodec msgCodec = AbstractMessage.getMsgInstanceByCode(typeCode);
-//                if (!msgCodec.decode(in)) {
-//                    in.resetReaderIndex();
-//                    return;
-//                }
-//                rpcMessage.setBody(msgCodec);
-//            } else {
-//                byte[] body = new byte[bodyLength];
-//                in.readBytes(body);
-//                Object bodyObject = hessianDeserialize(body);
-//                rpcMessage.setBody(bodyObject);
-//            }
-//        } catch (Exception e) {
-//            LOGGER.error("decode error", "", e);
-//            throw e;
-//        }
-//        out.add(rpcMessage);
-//        if (LOGGER.isDebugEnabled()) {
-//            LOGGER.debug("Receive:" + rpcMessage.getBody() + ",messageId:"
-//                + msgId);
-//        }
-//
-//    }
-//
-//    /**
-//     * Hessian serialize byte [ ].
-//     *
-//     * @param object the object
-//     * @return the byte [ ]
-//     * @throws Exception the exception
-//     */
-//    private static byte[] hessianSerialize(Object object) throws Exception {
-//        if (object == null) {
-//            throw new NullPointerException();
-//        }
-//        //todo user defined exx
-//        throw new RuntimeException("hessianSerialize not support");
-//
-//    }
-//
-//    /**
-//     * Hessian deserialize object.
-//     *
-//     * @param bytes the bytes
-//     * @return the object
-//     * @throws Exception the exception
-//     */
-//    private static Object hessianDeserialize(byte[] bytes) throws Exception {
-//        if (bytes == null) {
-//            throw new NullPointerException();
-//        }
-//        //todo user defined exx
-//        throw new RuntimeException("hessianDeserialize not support");
-//
-//    }
-//}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldConstants.java b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldConstants.java
deleted file mode 100644
index 9317cbd391b..00000000000
--- a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldConstants.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package io.seata.core.rpc.netty.old;
-
-/**
- * ?
- *
- * @author minghua.xie
- * @date 2023/7/18
- **/
-public class ProtocolOldConstants {
-
-    public static int HEAD_LENGTH = 14;
-    public static final int FLAG_REQUEST = 0x80;
-    public static final int FLAG_ASYNC = 0x40;
-    public static final int FLAG_HEARTBEAT = 0x20;
-    public static final int FLAG_SEATA_CODEC = 0x10;
-}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
deleted file mode 100644
index 3f161bc341b..00000000000
--- a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldDecoder.java
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.core.rpc.netty.old;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
-import io.seata.core.compressor.Compressor;
-import io.seata.core.compressor.CompressorFactory;
-import io.seata.core.compressor.CompressorType;
-import io.seata.core.exception.DecodeException;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.HeartbeatMessage;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
-import io.seata.core.rpc.netty.v1.HeadMapSerializer;
-import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
-import io.seata.core.serializer.Serializer;
-import io.seata.core.serializer.SerializerServiceLoader;
-import io.seata.core.serializer.SerializerType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.nio.ByteBuffer;
-import java.util.Map;
-
-/**
- * <pre>
- *  seata-version < 0.7
- *  Only used in TC receives a request from RM/TM.
- * 0     1     2     3     4           6           8          10           12          14         16
- * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
- * |   0xdada  |   flag    | typecode/ |                 requestid                     |           |
- * |           |           | bodylength|                                               |           |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+           +
- * |                                    ... ...                                                    |
- * +                                                                                               +
- * |                                     body                                                      |
- * +                                                                                               +
- * |                                    ... ...                                                    |
- * +-----------------------------------------------------------------------------------------------+
- *
- * </pre>
- * <p>
- * <li>flag: msg type </li>
- * <li>typecode: action type code </li>
- * <li>bodylength: body Length </li>
- * <li>requestid: request id</li>
- * </p>
- *
- * @author minghua.xie
- * @see ProtocolOldEncoder
- * @since 2.0.0
- */
-public class ProtocolOldDecoder {
-
-
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldDecoder.class);
-
-
-    public static RpcMessage decodeFrame(ByteBuf frame) {
-        // todo 旧版本是直接返回跳过了，我们需要保留这个逻辑？
-//        if (frame.readableBytes() < HEAD_LENGTH) {
-//            return;
-//        }
-
-        // todo 这里是为了bodyLength不满足要求时reset，意义是什么？
-        frame.markReaderIndex();
-
-        // todo 外层已经判断过了，这里可以跳过
-        short protocol = frame.readShort();
-
-        int flag = (int)frame.readShort();
-
-        boolean isHeartbeat = (ProtocolOldConstants.FLAG_HEARTBEAT & flag) > 0;
-        boolean isRequest = (ProtocolOldConstants.FLAG_REQUEST & flag) > 0;
-        boolean isSeataCodec = (ProtocolOldConstants.FLAG_SEATA_CODEC & flag) > 0;
-
-        // todo 目前看来，旧协议不是seata就是hessian
-        byte codecType = isSeataCodec?SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
-
-        short bodyLength = 0;
-        short typeCode = 0;
-        if (!isSeataCodec) {
-            bodyLength = frame.readShort();
-        } else {
-            typeCode = frame.readShort();
-        }
-        long msgId = frame.readLong();
-        RpcMessage rpcMessage = new RpcMessage();
-        rpcMessage.setCompressor(CompressorType.NONE.getCode());
-        rpcMessage.setCodec(codecType);
-
-        // todo reqid之前是long的，设置不进去，要把rpcMessage也隔离成两套吗？
-//        rpcMessage.setId(msgId);
-        if (isHeartbeat) {
-            // todo MessageType是新字段，以前其实分了两个字段，一个是isHeartbeat，一个是isRequest
-            if (isRequest) {
-                rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST);
-                rpcMessage.setBody(HeartbeatMessage.PING);
-            } else {
-                rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE);
-                rpcMessage.setBody(HeartbeatMessage.PONG);
-            }
-            return rpcMessage;
-        }
-
-        if (bodyLength > 0 && frame.readableBytes() < bodyLength) {
-            frame.resetReaderIndex();
-            return rpcMessage;
-        }
-
-        // todo  怎样知道是不是one way
-        rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
-        rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
-
-        // todo 暂时新旧的都按这样写，应该要剥离开来（用typeCode判断序列化方式）
-        rpcMessage.setBody(CompatibleProtocolDecoder.getBody(frame, rpcMessage.getMessageType(),
-                rpcMessage.getCompressor(),rpcMessage.getCodec(),bodyLength));
-        return rpcMessage;
-    }
-}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
new file mode 100644
index 00000000000..2aa97266097
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
@@ -0,0 +1,48 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.v0;
+
+import io.netty.buffer.ByteBuf;
+
+/**
+ * The interface Message codec.
+ *
+ * @author jimin.jm @alibaba-inc.com
+ * @date 2018 /9/14
+ */
+public interface MessageCodecV0 {
+    /**
+     * Gets type code.
+     *
+     * @return the type code
+     */
+    short getTypeCode();
+
+    /**
+     * Encode byte [ ].
+     *
+     * @return the byte [ ]
+     */
+    byte[] encode();
+
+    /**
+     * Decode boolean.
+     *
+     * @param in the in
+     * @return the boolean
+     */
+    boolean decode(ByteBuf in);
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
new file mode 100644
index 00000000000..2a01f35e6c0
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
@@ -0,0 +1,31 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.v0;
+
+/**
+ * ?
+ *
+ * @author Bughue
+ * @date 2023/7/18
+ **/
+public class ProtocolV0Constants {
+
+    public static int HEAD_LENGTH = 14;
+    public static final int FLAG_REQUEST = 0x80;
+    public static final int FLAG_ASYNC = 0x40;
+    public static final int FLAG_HEARTBEAT = 0x20;
+    public static final int FLAG_SEATA_CODEC = 0x10;
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
new file mode 100644
index 00000000000..33b26e09186
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
@@ -0,0 +1,138 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.v0;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.common.loader.EnhancedServiceLoader;
+import io.seata.core.protocol.HeartbeatMessage;
+
+import io.seata.core.rpc.RegisterCheckAuthHandler;
+import io.seata.core.rpc.netty.ProtocolDecoder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Iterator;
+import java.util.ServiceLoader;
+
+/**
+ * <pre>
+ *  seata-version < 0.7
+ *  Only used in TC receives a request from RM/TM.
+ * 0     1     2     3     4           6           8          10           12          14         16
+ * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * |   0xdada  |   flag    | typecode/ |                 requestid                     |           |
+ * |           |           | bodylength|                                               |           |
+ * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+           +
+ * |                                    ... ...                                                    |
+ * +                                                                                               +
+ * |                                     body                                                      |
+ * +                                                                                               +
+ * |                                    ... ...                                                    |
+ * +-----------------------------------------------------------------------------------------------+
+ *
+ * </pre>
+ * <p>
+ * <li>flag: msg type </li>
+ * <li>typecode: action type code </li>
+ * <li>bodylength: body Length </li>
+ * <li>requestid: request id</li>
+ * </p>
+ *
+ * @author Bughue
+ * @see ProtocolV0Encoder
+ * @since 2.0.0
+ */
+public class ProtocolV0Decoder implements ProtocolDecoder {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Decoder.class);
+
+    private static final SerializerV0 serializer  =  EnhancedServiceLoader.load(SerializerV0.class);;
+
+    @Override
+    public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
+        // todo 旧版本是直接返回跳过了，我们需要保留这个逻辑？【特殊】
+        if (in.readableBytes() < ProtocolV0Constants.HEAD_LENGTH) {
+            throw new IllegalArgumentException("Nothing to decode.");
+        }
+
+        // todo 这里是为了bodyLength不满足要求时reset，意义是什么？【特殊】
+        in.markReaderIndex();
+
+        // todo 外层已经判断过了，这里可以跳过
+        short protocol = in.readShort();
+
+        int flag = (int) in.readShort();
+
+        boolean isHeartbeat = (ProtocolV0Constants.FLAG_HEARTBEAT & flag) > 0;
+        boolean isRequest = (ProtocolV0Constants.FLAG_REQUEST & flag) > 0;
+        boolean isSeataCodec = (ProtocolV0Constants.FLAG_SEATA_CODEC & flag) > 0;
+
+
+        short bodyLength = 0;
+        short typeCode = 0;
+        if (!isSeataCodec) {
+            bodyLength = in.readShort();
+        } else {
+            typeCode = in.readShort();
+        }
+        long msgId = in.readLong();
+        if (isHeartbeat) {
+            ProtocolV0RpcMessage rpcMessage = new ProtocolV0RpcMessage();
+            rpcMessage.setId(msgId);
+            rpcMessage.setAsync(true);
+            rpcMessage.setHeartbeat(isHeartbeat);
+            rpcMessage.setRequest(isRequest);
+            if (isRequest) {
+                rpcMessage.setBody(HeartbeatMessage.PING);
+            } else {
+                rpcMessage.setBody(HeartbeatMessage.PONG);
+            }
+
+            return rpcMessage;
+        }
+
+        if (bodyLength > 0 && in.readableBytes() < bodyLength) {
+            // todo 【特殊】
+            in.resetReaderIndex();
+            throw new IllegalArgumentException("readableBytes < bodyLength");
+        }
+
+        ProtocolV0RpcMessage rpcMessage = new ProtocolV0RpcMessage();
+        rpcMessage.setId(msgId);
+        rpcMessage.setAsync((ProtocolV0Constants.FLAG_ASYNC & flag) > 0);
+        rpcMessage.setHeartbeat(false);
+        rpcMessage.setRequest(isRequest);
+
+        try {
+            // todo serializer==null
+            MessageCodecV0 msgCodec = serializer.getMsgInstanceByCode(typeCode);
+            if (!msgCodec.decode(in)) {
+                throw new IllegalArgumentException("decode fail.");
+            }
+            rpcMessage.setBody(msgCodec);
+        } catch (Exception e) {
+            LOGGER.error("decode error", "", e);
+            throw e;
+        }
+        if (LOGGER.isDebugEnabled()) {
+            LOGGER.debug("Receive:" + rpcMessage.getBody() + ",messageId:"
+                    + msgId);
+        }
+        return rpcMessage;
+    }
+
+
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
similarity index 90%
rename from core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java
rename to core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
index 689f03ad38c..c32aa507388 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/old/ProtocolOldEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.core.rpc.netty.old;
+package io.seata.core.rpc.netty.v0;
 
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
@@ -45,15 +45,15 @@
  * <li>requestid: request id</li>
  * </p>
  *
- * @author minghua.xie
- * @see ProtocolOldDecoder
+ * @author Bughue
+ * @see ProtocolV0Decoder
  * @since 2.0.0
  */
-public class ProtocolOldEncoder  {
+public class ProtocolV0Encoder {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldEncoder.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Encoder.class);
 
-    public static void encode(ChannelHandlerContext ctx, RpcMessage rpcMessage, ByteBuf out) {
+    public static void encode(ChannelHandlerContext ctx, ProtocolV0RpcMessage rpcMessage, ByteBuf out) {
         try {
             // todo 按照旧协议方式encode
         } catch (Throwable e) {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
new file mode 100644
index 00000000000..c9c78644186
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
@@ -0,0 +1,179 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.v0;
+
+import io.seata.common.util.StringUtils;
+import io.seata.core.compressor.CompressorType;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.ProtocolRpcMessage;
+import io.seata.core.serializer.SerializerType;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ * ?
+ *
+ * @author minghua.xie
+ * @date 2023/8/1
+ **/
+public class ProtocolV0RpcMessage implements ProtocolRpcMessage {
+
+    private static AtomicLong NEXT_ID = new AtomicLong(0);
+
+    /**
+     * Gets next message id.
+     *
+     * @return the next message id
+     */
+    public static long getNextMessageId() {
+        return NEXT_ID.incrementAndGet();
+    }
+
+    private long id;
+    private boolean isAsync;
+    private boolean isRequest;
+    private boolean isHeartbeat;
+    private Object body;
+
+    private boolean isSeataCodec;
+
+    /**
+     * Gets id.
+     *
+     * @return the id
+     */
+    public long getId() {
+        return id;
+    }
+
+    /**
+     * Sets id.
+     *
+     * @param id the id
+     */
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    /**
+     * Is async boolean.
+     *
+     * @return the boolean
+     */
+    public boolean isAsync() {
+        return isAsync;
+    }
+
+    /**
+     * Sets async.
+     *
+     * @param async the async
+     */
+    public void setAsync(boolean async) {
+        isAsync = async;
+    }
+
+    /**
+     * Is request boolean.
+     *
+     * @return the boolean
+     */
+    public boolean isRequest() {
+        return isRequest;
+    }
+
+    /**
+     * Sets request.
+     *
+     * @param request the request
+     */
+    public void setRequest(boolean request) {
+        isRequest = request;
+    }
+
+    /**
+     * Is heartbeat boolean.
+     *
+     * @return the boolean
+     */
+    public boolean isHeartbeat() {
+        return isHeartbeat;
+    }
+
+    /**
+     * Sets heartbeat.
+     *
+     * @param heartbeat the heartbeat
+     */
+    public void setHeartbeat(boolean heartbeat) {
+        isHeartbeat = heartbeat;
+    }
+
+    /**
+     * Gets body.
+     *
+     * @return the body
+     */
+    public Object getBody() {
+        return body;
+    }
+
+    /**
+     * Sets body.
+     *
+     * @param body the body
+     */
+    public void setBody(Object body) {
+        this.body = body;
+    }
+
+    public boolean isSeataCodec() {
+        return isSeataCodec;
+    }
+
+    public void setSeataCodec(boolean seataCodec) {
+        isSeataCodec = seataCodec;
+    }
+
+    @Override
+    public RpcMessage convert2RpcMsg(){
+        RpcMessage rpcMessage = new RpcMessage();
+        // todo 基础配置
+        rpcMessage.setCompressor(CompressorType.NONE.getCode());
+
+        byte codecType = isSeataCodec? SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
+        rpcMessage.setCodec(codecType);
+
+        if(isHeartbeat){
+            if(isRequest){
+                rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST);
+            }else {
+                rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE);
+            }
+        }else {
+            if(isRequest){
+                rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
+            }else {
+                rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESPONSE);
+            }
+        }
+
+        return rpcMessage;
+    }
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/SerializerV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/SerializerV0.java
new file mode 100644
index 00000000000..90246ff4fa8
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/SerializerV0.java
@@ -0,0 +1,6 @@
+package io.seata.core.rpc.netty.v0;
+
+public interface SerializerV0 {
+
+    MessageCodecV0 getMsgInstanceByCode(short typeCode);
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
index 2c3ba775216..4b6bad758a8 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
@@ -16,13 +16,14 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
-import io.seata.core.serializer.Serializer;
 import io.seata.core.compressor.Compressor;
 import io.seata.core.compressor.CompressorFactory;
 import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
 import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.ProtocolDecoder;
+import io.seata.core.rpc.netty.ProtocolRpcMessage;
+import io.seata.core.serializer.Serializer;
 import io.seata.core.serializer.SerializerServiceLoader;
 import io.seata.core.serializer.SerializerType;
 import org.slf4j.Logger;
@@ -57,11 +58,12 @@
  * @see ProtocolV1Encoder
  * @since 0.7.0
  */
-public class ProtocolV1Decoder{
+public class ProtocolV1Decoder  implements ProtocolDecoder {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV1Decoder.class);
 
-    public static Object decodeFrame(ByteBuf frame) {
+    @Override
+    public ProtocolRpcMessage decodeFrame(ByteBuf frame) {
         byte b0 = frame.readByte();
         byte b1 = frame.readByte();
         if (ProtocolConstants.MAGIC_CODE_BYTES[0] != b0
@@ -70,7 +72,6 @@ public static Object decodeFrame(ByteBuf frame) {
         }
 
         byte version = frame.readByte();
-        // TODO  check version compatible here
 
         int fullLength = frame.readInt();
         short headLength = frame.readShort();
@@ -79,7 +80,7 @@ public static Object decodeFrame(ByteBuf frame) {
         byte compressorType = frame.readByte();
         int requestId = frame.readInt();
 
-        RpcMessage rpcMessage = new RpcMessage();
+        ProtocolV1RpcMessage rpcMessage = new ProtocolV1RpcMessage();
         rpcMessage.setCodec(codecType);
         rpcMessage.setId(requestId);
         rpcMessage.setCompressor(compressorType);
@@ -94,7 +95,18 @@ public static Object decodeFrame(ByteBuf frame) {
 
         // read body
         int bodyLength = fullLength - headLength;
-        rpcMessage.setBody(CompatibleProtocolDecoder.getBody(frame, messageType, compressorType, codecType, bodyLength));
+        if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST) {
+            rpcMessage.setBody(HeartbeatMessage.PING);
+        } else if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
+            rpcMessage.setBody(HeartbeatMessage.PONG);
+        } else if (bodyLength > 0) {
+            byte[] bs = new byte[bodyLength];
+            frame.readBytes(bs);
+            Compressor compressor = CompressorFactory.getCompressor(compressorType);
+            bs = compressor.decompress(bs);
+            Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codecType),version);
+            return serializer.deserialize(bs);
+        }
 
         return rpcMessage;
     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
index 522ff8835d8..95c0348c3c3 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
@@ -16,14 +16,11 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import io.seata.core.rpc.netty.CompatibleProtocolEncoder;
-import io.seata.core.rpc.netty.old.ProtocolOldEncoder;
+import io.seata.core.rpc.netty.v0.ProtocolV0Encoder;
 import io.seata.core.serializer.Serializer;
 import io.seata.core.compressor.Compressor;
 import io.seata.core.compressor.CompressorFactory;
 import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RpcMessage;
 import io.seata.core.serializer.SerializerServiceLoader;
 import io.seata.core.serializer.SerializerType;
 import org.slf4j.Logger;
@@ -60,9 +57,9 @@
  */
 public class ProtocolV1Encoder{
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldEncoder.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Encoder.class);
 
-    public static void encode(RpcMessage rpcMessage, ByteBuf out) {
+    public static void encode(ProtocolV1RpcMessage rpcMessage, ByteBuf out) {
         try {
             // todo 外层已经判断好，可以去掉
 //            if (msg instanceof RpcMessage) {
@@ -73,7 +70,7 @@ public static void encode(RpcMessage rpcMessage, ByteBuf out) {
 
                 byte messageType = rpcMessage.getMessageType();
                 out.writeBytes(ProtocolConstants.MAGIC_CODE_BYTES);
-                out.writeByte(ProtocolConstants.VERSION);
+                out.writeByte(ProtocolConstants.VERSION_1);
                 // full Length(4B) and head length(2B) will fix in the end. 
                 out.writerIndex(out.writerIndex() + 6);
                 out.writeByte(messageType);
@@ -93,7 +90,7 @@ public static void encode(RpcMessage rpcMessage, ByteBuf out) {
                 if (messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
                         && messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
                     // heartbeat has no body
-                    Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()));
+                    Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()), ProtocolConstants.VERSION_1);
                     bodyBytes = serializer.serialize(rpcMessage.getBody());
                     Compressor compressor = CompressorFactory.getCompressor(rpcMessage.getCompressor());
                     bodyBytes = compressor.compress(bodyBytes);
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
new file mode 100644
index 00000000000..47d51504908
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
@@ -0,0 +1,187 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty.v1;
+
+import io.seata.common.util.StringUtils;
+import io.seata.core.compressor.CompressorType;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.ProtocolRpcMessage;
+import io.seata.core.serializer.SerializerType;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * ?
+ *
+ * @author minghua.xie
+ * @date 2023/8/1
+ **/
+public class ProtocolV1RpcMessage implements ProtocolRpcMessage {
+
+    private int id;
+    private byte messageType;
+    private byte codec;
+    private byte compressor;
+    private Map<String, String> headMap = new HashMap<>();
+    private Object body;
+
+    /**
+     * Gets id.
+     *
+     * @return the id
+     */
+    public int getId() {
+        return id;
+    }
+
+    /**
+     * Sets id.
+     *
+     * @param id the id
+     */
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    /**
+     * Gets body.
+     *
+     * @return the body
+     */
+    public Object getBody() {
+        return body;
+    }
+
+    /**
+     * Sets body.
+     *
+     * @param body the body
+     */
+    public void setBody(Object body) {
+        this.body = body;
+    }
+
+    /**
+     * Gets codec.
+     *
+     * @return the codec
+     */
+    public byte getCodec() {
+        return codec;
+    }
+
+    /**
+     * Sets codec.
+     *
+     * @param codec the codec
+     * @return the codec
+     */
+    public void setCodec(byte codec) {
+        this.codec = codec;
+    }
+
+    /**
+     * Gets compressor.
+     *
+     * @return the compressor
+     */
+    public byte getCompressor() {
+        return compressor;
+    }
+
+    /**
+     * Sets compressor.
+     *
+     * @param compressor the compressor
+     * @return the compressor
+     */
+    public void setCompressor(byte compressor) {
+        this.compressor = compressor;
+    }
+
+    /**
+     * Gets head map.
+     *
+     * @return the head map
+     */
+    public Map<String, String> getHeadMap() {
+        return headMap;
+    }
+
+    /**
+     * Sets head map.
+     *
+     * @param headMap the head map
+     * @return the head map
+     */
+    public void setHeadMap(Map<String, String> headMap) {
+        this.headMap = headMap;
+    }
+
+    /**
+     * Gets head.
+     *
+     * @param headKey the head key
+     * @return the head
+     */
+    public String getHead(String headKey) {
+        return headMap.get(headKey);
+    }
+
+    /**
+     * Put head.
+     *
+     * @param headKey   the head key
+     * @param headValue the head value
+     */
+    public void putHead(String headKey, String headValue) {
+        headMap.put(headKey, headValue);
+    }
+
+    /**
+     * Gets message type.
+     *
+     * @return the message type
+     */
+    public byte getMessageType() {
+        return messageType;
+    }
+
+    /**
+     * Sets message type.
+     *
+     * @param messageType the message type
+     */
+    public void setMessageType(byte messageType) {
+        this.messageType = messageType;
+    }
+
+    @Override
+    public String toString() {
+        return StringUtils.toString(this);
+    }
+
+    @Override
+    public RpcMessage convert2RpcMsg(){
+        RpcMessage rpcMessage = new RpcMessage();
+        // todo
+
+
+        return rpcMessage;
+    }
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Decoder.java
deleted file mode 100644
index 78f35c3bb82..00000000000
--- a/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Decoder.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.core.rpc.netty.v2;
-
-import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
-import io.seata.core.rpc.netty.v1.HeadMapSerializer;
-import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.Map;
-
-/**
- * <pre>
- * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
- * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
- * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
- * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
- * |                                                                                               |
- * |                                   Head Map [Optional]                                         |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
- * |                                                                                               |
- * |                                         body                                                  |
- * |                                                                                               |
- * |                                        ... ...                                                |
- * +-----------------------------------------------------------------------------------------------+
- * </pre>
- * <p>
- * <li>Full Length: include all data </li>
- * <li>Head Length: include head data from magic code to head map. </li>
- * <li>Body Length: Full Length - Head Length</li>
- * </p>
- * https://github.com/seata/seata/issues/893
- *
- * @author Bughue
- */
-public class ProtocolV2Decoder {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV2Decoder.class);
-
-    public static Object decodeFrame(ByteBuf frame) {
-        // todo
-        return null;
-    }
-
-}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Encoder.java
deleted file mode 100644
index 3ca8ba28276..00000000000
--- a/core/src/main/java/io/seata/core/rpc/netty/v2/ProtocolV2Encoder.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.core.rpc.netty.v2;
-
-import io.netty.buffer.ByteBuf;
-import io.seata.core.compressor.Compressor;
-import io.seata.core.compressor.CompressorFactory;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.netty.old.ProtocolOldEncoder;
-import io.seata.core.rpc.netty.v1.HeadMapSerializer;
-import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
-import io.seata.core.serializer.Serializer;
-import io.seata.core.serializer.SerializerServiceLoader;
-import io.seata.core.serializer.SerializerType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.Map;
-
-/**
- * <pre>
- * 0     1     2     3     4     5     6     7     8     9    10     11    12    13    14    15    16
- * +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
- * |   magic   |Proto|     Full length       |    Head   | Msg |Seria|Compr|     RequestId         |
- * |   code    |colVer|    (head+body)      |   Length  |Type |lizer|ess  |                       |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
- * |                                                                                               |
- * |                                   Head Map [Optional]                                         |
- * +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
- * |                                                                                               |
- * |                                         body                                                  |
- * |                                                                                               |
- * |                                        ... ...                                                |
- * +-----------------------------------------------------------------------------------------------+
- * </pre>
- * <p>
- * <li>Full Length: include all data </li>
- * <li>Head Length: include head data from magic code to head map. </li>
- * <li>Body Length: Full Length - Head Length</li>
- * </p>
- * https://github.com/seata/seata/issues/893
- *
- * @author Bughue
- */
-public class ProtocolV2Encoder {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolOldEncoder.class);
-
-    public static void encode(RpcMessage rpcMessage, ByteBuf out) {
-        // todo
-    }
-}
diff --git a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
index e602567d444..c2d1b3ab9c1 100644
--- a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
@@ -39,7 +39,7 @@ private SerializerServiceLoader() {
      * @return the service of {@link Serializer}
      * @throws EnhancedServiceNotFoundException the enhanced service not found exception
      */
-    public static Serializer load(SerializerType type) throws EnhancedServiceNotFoundException {
+    public static Serializer load(SerializerType type,int version) throws EnhancedServiceNotFoundException {
         if (type == SerializerType.PROTOBUF) {
             try {
                 ReflectionUtil.getClassByName(PROTOBUF_SERIALIZER_CLASS_NAME);
@@ -48,6 +48,6 @@ public static Serializer load(SerializerType type) throws EnhancedServiceNotFoun
                         "Please manually reference 'io.seata:seata-serializer-protobuf' dependency ", e);
             }
         }
-        return EnhancedServiceLoader.load(Serializer.class, type.name());
+        return EnhancedServiceLoader.load(Serializer.class, type.name(), version);
     }
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
similarity index 58%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
index d53a96accd7..762692afc93 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
@@ -15,21 +15,42 @@
  */
 package io.seata.serializer.seata;
 
+import com.sun.tools.javac.util.Pair;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
-import io.seata.common.loader.LoadLevel;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.serializer.Serializer;
 
 import java.nio.ByteBuffer;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * The Seata codec.
  *
  * @author zhangsen
  */
-@LoadLevel(name = "SEATA")
-public class SeataSerializer implements Serializer {
+public abstract class SeataAbstractSerializer implements Serializer {
+
+    protected Map<Short, Pair<Class<? extends MessageSeataCodec>,Class<? extends AbstractMessage>>> classMap = new HashMap();
+
+    public Class<? extends MessageSeataCodec> getCodecClass(short typeCode){
+        Pair<Class<? extends MessageSeataCodec>, Class<? extends AbstractMessage>> pair = classMap.get(typeCode);
+        if(pair !=null && pair.fst !=null){
+            return pair.fst;
+        }else {
+            return null;
+        }
+    }
+
+    public Class<? extends AbstractMessage> getMessageClass(short typeCode){
+        Pair<Class<? extends MessageSeataCodec>, Class<? extends AbstractMessage>> pair = classMap.get(typeCode);
+        if(pair !=null && pair.snd !=null){
+            return pair.snd;
+        }else {
+            return null;
+        }
+    }
 
     @Override
     public <T> byte[] serialize(T t) {
@@ -40,7 +61,7 @@ public <T> byte[] serialize(T t) {
         //typecode
         short typecode = abstractMessage.getTypeCode();
         //msg codec
-        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode);
+        MessageSeataCodec messageCodec = getCodecByType(typecode);
         //get empty ByteBuffer
         ByteBuf out = Unpooled.buffer(1024);
         //msg encode
@@ -75,12 +96,32 @@ public <T> T deserialize(byte[] bytes) {
         byteBuffer.get(body);
         ByteBuffer in = ByteBuffer.wrap(body);
         //new Messgae
-        AbstractMessage abstractMessage = MessageCodecFactory.getMessage(typecode);
+        AbstractMessage abstractMessage = getMessageByType(typecode);
         //get messageCodec
-        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode);
+        MessageSeataCodec messageCodec = getCodecByType(typecode);
         //decode
         messageCodec.decode(abstractMessage, in);
         return (T)abstractMessage;
     }
 
+    private AbstractMessage getMessageByType(short typecode) {
+        try {
+            return getMessageClass(typecode).newInstance();
+        } catch (InstantiationException e) {
+            throw new RuntimeException(e);
+        } catch (IllegalAccessException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private MessageSeataCodec getCodecByType(short typecode) {
+        try {
+            return getCodecClass(typecode).newInstance();
+        } catch (InstantiationException e) {
+            throw new RuntimeException(e);
+        } catch (IllegalAccessException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/old/package-info.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/old/package-info.java
deleted file mode 100644
index 07dbe9823ea..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/old/package-info.java
+++ /dev/null
@@ -1 +0,0 @@
-package io.seata.serializer.seata.protocol.old;
\ No newline at end of file
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequest.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequest.java
new file mode 100644
index 00000000000..ccb27bfd8b7
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequest.java
@@ -0,0 +1,271 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.Version;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The type Abstract identify request.
+ *
+ * @author sharajava
+ */
+public abstract class AbstractIdentifyRequest extends AbstractMessageV0 {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractIdentifyRequest.class);
+
+    /**
+     * The Version.
+     */
+    protected String version = Version.getCurrent();
+
+    /**
+     * The Application id.
+     */
+    protected String applicationId;
+
+    /**
+     * The Transaction service group.
+     */
+    protected String transactionServiceGroup;
+
+    /**
+     * The Extra data.
+     */
+    protected String extraData;
+
+    /**
+     * Instantiates a new Abstract identify request.
+     *
+     * @param applicationId           the application id
+     * @param transactionServiceGroup the transaction service group
+     */
+    public AbstractIdentifyRequest(String applicationId, String transactionServiceGroup) {
+        this.applicationId = applicationId;
+        this.transactionServiceGroup = transactionServiceGroup;
+    }
+
+    /**
+     * Instantiates a new Abstract identify request.
+     *
+     * @param applicationId           the application id
+     * @param transactionServiceGroup the transaction service group
+     * @param extraData               the extra data
+     */
+    public AbstractIdentifyRequest(String applicationId, String transactionServiceGroup, String extraData) {
+        this.applicationId = applicationId;
+        this.transactionServiceGroup = transactionServiceGroup;
+        this.extraData = extraData;
+    }
+
+    /**
+     * Gets version.
+     *
+     * @return the version
+     */
+    public String getVersion() {
+        return version;
+    }
+
+    /**
+     * Sets version.
+     *
+     * @param version the version
+     */
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
+    /**
+     * Gets application id.
+     *
+     * @return the application id
+     */
+    public String getApplicationId() {
+        return applicationId;
+    }
+
+    /**
+     * Sets application id.
+     *
+     * @param applicationId the application id
+     */
+    public void setApplicationId(String applicationId) {
+        this.applicationId = applicationId;
+    }
+
+    /**
+     * Gets transaction service group.
+     *
+     * @return the transaction service group
+     */
+    public String getTransactionServiceGroup() {
+        return transactionServiceGroup;
+    }
+
+    /**
+     * Sets transaction service group.
+     *
+     * @param transactionServiceGroup the transaction service group
+     */
+    public void setTransactionServiceGroup(String transactionServiceGroup) {
+        this.transactionServiceGroup = transactionServiceGroup;
+    }
+
+    /**
+     * Gets extra data.
+     *
+     * @return the extra data
+     */
+    public String getExtraData() {
+        return extraData;
+    }
+
+    /**
+     * Sets extra data.
+     *
+     * @param extraData the extra data
+     */
+    public void setExtraData(String extraData) {
+        this.extraData = extraData;
+    }
+
+    /**
+     * The Byte buffer.
+     */
+    public ByteBuffer byteBuffer = ByteBuffer.allocate(10 * 1024);
+
+    /**
+     * Do encode.
+     */
+    protected void doEncode() {
+        byteBuffer.clear();
+        if (this.version != null) {
+            byte[] bs = version.getBytes(UTF8);
+            byteBuffer.putShort((short)bs.length);
+            if (bs.length > 0) {
+                byteBuffer.put(bs);
+            }
+        } else {
+            byteBuffer.putShort((short)0);
+        }
+
+        if (this.applicationId != null) {
+            byte[] bs = applicationId.getBytes(UTF8);
+            byteBuffer.putShort((short)bs.length);
+            if (bs.length > 0) {
+                byteBuffer.put(bs);
+            }
+        } else {
+            byteBuffer.putShort((short)0);
+        }
+
+        if (this.transactionServiceGroup != null) {
+            byte[] bs = transactionServiceGroup.getBytes(UTF8);
+            byteBuffer.putShort((short)bs.length);
+            if (bs.length > 0) {
+                byteBuffer.put(bs);
+            }
+        } else {
+            byteBuffer.putShort((short)0);
+        }
+
+        if (this.extraData != null) {
+            byte[] bs = extraData.getBytes(UTF8);
+            byteBuffer.putShort((short)bs.length);
+            if (bs.length > 0) {
+                byteBuffer.put(bs);
+            }
+        } else {
+            byteBuffer.putShort((short)0);
+        }
+
+    }
+
+    private final byte[] flushEncode() {
+        byteBuffer.flip();
+        byte[] content = new byte[byteBuffer.limit()];
+        byteBuffer.get(content);
+        byteBuffer.clear(); // >?
+        return content;
+    }
+
+    @Override
+    public final byte[] encode() {
+        doEncode();
+        return flushEncode();
+    }
+
+    @Override
+    public boolean decode(ByteBuf in) {
+
+        short len;
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() < len) {
+            return false;
+        }
+        byte[] bs = new byte[len];
+        in.readBytes(bs);
+        this.setVersion(new String(bs, UTF8));
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() < len) {
+            return false;
+        }
+        bs = new byte[len];
+        in.readBytes(bs);
+        this.setApplicationId(new String(bs, UTF8));
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() < len) {
+            return false;
+        }
+        bs = new byte[len];
+        in.readBytes(bs);
+        this.setTransactionServiceGroup(new String(bs, UTF8));
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() >= len) {
+            bs = new byte[len];
+            in.readBytes(bs);
+            this.setExtraData(new String(bs, UTF8));
+        } else {
+            //maybe null
+        }
+
+        return true;
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponse.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponse.java
new file mode 100644
index 00000000000..2021906967f
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponse.java
@@ -0,0 +1,144 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.Version;
+
+/**
+ * The type Abstract identify response.
+ *
+ * @author sharajava
+ */
+public abstract class AbstractIdentifyResponse extends AbstractResultMessageV0 {
+
+    protected String version = Version.getCurrent();
+
+    private String extraData;
+
+    private boolean identified;
+
+    /**
+     * Gets version.
+     *
+     * @return the version
+     */
+    public String getVersion() {
+        return version;
+    }
+
+    /**
+     * Sets version.
+     *
+     * @param version the version
+     */
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
+    /**
+     * Gets extra data.
+     *
+     * @return the extra data
+     */
+    public String getExtraData() {
+        return extraData;
+    }
+
+    /**
+     * Sets extra data.
+     *
+     * @param extraData the extra data
+     */
+    public void setExtraData(String extraData) {
+        this.extraData = extraData;
+    }
+
+    /**
+     * Is identified boolean.
+     *
+     * @return the boolean
+     */
+    public boolean isIdentified() {
+        return identified;
+    }
+
+    /**
+     * Sets identified.
+     *
+     * @param identified the identified
+     */
+    public void setIdentified(boolean identified) {
+        this.identified = identified;
+    }
+
+    @Override
+    public void doEncode() {
+        //        super.doEncode();
+        byteBuffer.put(this.identified ? (byte)1 : (byte)0);
+        if (this.version != null) {
+            byte[] bs = version.getBytes(UTF8);
+            byteBuffer.putShort((short)bs.length);
+            if (bs.length > 0) {
+                byteBuffer.put(bs);
+            }
+        } else {
+            byteBuffer.putShort((short)0);
+        }
+
+    }
+
+    @Override
+    public boolean decode(ByteBuf in) {
+        if (in.readableBytes() < 3) {
+            return false;
+        }
+        this.identified = in.readByte() == 1;
+        short len = in.readShort();
+        if (len <= 0) {
+            return false;
+        }
+        if (in.readableBytes() < len) {
+            return false;
+        }
+        byte[] bs = new byte[len];
+        in.readBytes(bs);
+        this.setVersion(new String(bs, UTF8));
+        return true;
+
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder result = new StringBuilder();
+        result.append("version=");
+        result.append(version);
+        result.append(",");
+        result.append("extraData=");
+        result.append(extraData);
+        result.append(",");
+        result.append("identified=");
+        result.append(identified);
+        result.append(",");
+        result.append("resultCode=");
+        result.append(getResultCode());
+        result.append(",");
+        result.append("msg=");
+        result.append(getMsg());
+
+        return result.toString();
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageV0.java
new file mode 100644
index 00000000000..f8e95691539
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageV0.java
@@ -0,0 +1,86 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.seata.common.Constants;
+import io.seata.core.rpc.netty.v0.MessageCodecV0;
+
+import java.io.Serializable;
+import java.nio.charset.Charset;
+
+/**
+ * The type Abstract message.
+ *
+ * @author jimin.jm @alibaba-inc.com
+ * @date 2018 /9/14
+ */
+public abstract class AbstractMessageV0 implements MessageCodecV0, Serializable {
+    private static final long serialVersionUID = -1441020418526899889L;
+
+    /**
+     * The constant UTF8.
+     */
+    protected static final Charset UTF8 = Constants.DEFAULT_CHARSET;
+    /**
+     * The Ctx.
+     */
+    protected ChannelHandlerContext ctx;
+
+    /**
+     * Bytes to int int.
+     *
+     * @param bytes  the bytes
+     * @param offset the offset
+     * @return the int
+     */
+    public static int bytesToInt(byte[] bytes, int offset) {
+        int ret = 0;
+        for (int i = 0; i < 4 && i + offset < bytes.length; i++) {
+            ret <<= 8;
+            ret |= (int)bytes[i + offset] & 0xFF;
+        }
+        return ret;
+    }
+
+    /**
+     * Int to bytes.
+     *
+     * @param i      the
+     * @param bytes  the bytes
+     * @param offset the offset
+     */
+    public static void intToBytes(int i, byte[] bytes, int offset) {
+        bytes[offset] = (byte)((i >> 24) & 0xFF);
+        bytes[offset + 1] = (byte)((i >> 16) & 0xFF);
+        bytes[offset + 2] = (byte)((i >> 8) & 0xFF);
+        bytes[offset + 3] = (byte)(i & 0xFF);
+    }
+
+    @Override
+    public boolean decode(ByteBuf in) {
+        return false;
+    }
+
+    /**
+     * Gets msg instance by code.
+     *
+     * @param typeCode the type code
+     * @return the msg instance by code
+     */
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageV0.java
new file mode 100644
index 00000000000..aeed3c6b15c
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageV0.java
@@ -0,0 +1,155 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.ResultCode;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The type Abstract result message.
+ *
+ * @author jimin.jm @alibaba-inc.com
+ * @date 2018 /9/14
+ */
+public abstract class AbstractResultMessageV0 extends AbstractMessageV0 implements MergedMessageV0 {
+    private static final long serialVersionUID = 6540352050650203313L;
+
+    private ResultCode resultCode;
+
+    /**
+     * The Byte buffer.
+     */
+    public ByteBuffer byteBuffer = ByteBuffer.allocate(512);
+
+    /**
+     * Gets result code.
+     *
+     * @return the result code
+     */
+    public ResultCode getResultCode() {
+        return resultCode;
+    }
+
+    /**
+     * Sets result code.
+     *
+     * @param resultCode the result code
+     */
+    public void setResultCode(ResultCode resultCode) {
+        this.resultCode = resultCode;
+    }
+
+    private String msg;
+
+    /**
+     * Gets msg.
+     *
+     * @return the msg
+     */
+    public String getMsg() {
+        return msg;
+    }
+
+    /**
+     * Sets msg.
+     *
+     * @param msg the msg
+     */
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    /**
+     * Do encode.
+     */
+    protected void doEncode() {
+        byteBuffer.put((byte)resultCode.ordinal());
+        if (resultCode == ResultCode.Failed) {
+            if (getMsg() != null) {
+                String msg;
+                if (getMsg().length() > 128) {
+                    msg = getMsg().substring(0, 128);
+                } else {
+                    msg = getMsg();
+                }
+                byte[] bs = msg.getBytes(UTF8);
+                if (bs.length > 400 && getMsg().length() > 64) {
+                    msg = getMsg().substring(0, 64);
+                    bs = msg.getBytes(UTF8);
+                }
+                byteBuffer.putShort((short)bs.length);
+                if (bs.length > 0) {
+                    byteBuffer.put(bs);
+                }
+            } else {
+                byteBuffer.putShort((short)0);
+            }
+        }
+    }
+
+    private final byte[] flushEncode() {
+        byteBuffer.flip();
+        byte[] content = new byte[byteBuffer.limit()];
+        byteBuffer.get(content);
+        byteBuffer.clear(); // >?
+        return content;
+    }
+
+    @Override
+    public final byte[] encode() {
+        doEncode();
+        return flushEncode();
+    }
+
+    @Override
+    public void decode(ByteBuffer byteBuffer) {
+        setResultCode(ResultCode.get(byteBuffer.get()));
+        if (resultCode == ResultCode.Failed) {
+            short len = byteBuffer.getShort();
+            if (len > 0) {
+                byte[] msg = new byte[len];
+                byteBuffer.get(msg);
+                this.setMsg(new String(msg, UTF8));
+            }
+        }
+    }
+
+    @Override
+    public boolean decode(ByteBuf in) {
+        if (in.readableBytes() < 1) {
+            return false;
+        }
+        setResultCode(ResultCode.get(in.readByte()));
+        if (resultCode == ResultCode.Failed) {
+            if (in.readableBytes() < 2) {
+                return false;
+            }
+            short len = in.readShort();
+            if (in.readableBytes() < len) {
+                return false;
+            }
+            if (len > 0) {
+                byte[] msg = new byte[len];
+                in.readBytes(msg);
+                this.setMsg(new String(msg, UTF8));
+            }
+        }
+        return true;
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedMessageV0.java
new file mode 100644
index 00000000000..04e8913d9c8
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedMessageV0.java
@@ -0,0 +1,33 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The interface Merged message.
+ *
+ * @author jimin.jm @alibaba-inc.com
+ * @date 2018 /9/17
+ */
+public interface MergedMessageV0 {
+    /**
+     * Decode.
+     *
+     * @param byteBuffer the byte buffer
+     */
+    void decode(ByteBuffer byteBuffer);
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMRequest.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMRequest.java
new file mode 100644
index 00000000000..7e61d460ae2
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMRequest.java
@@ -0,0 +1,174 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.netty.buffer.ByteBuf;
+
+import java.io.Serializable;
+
+import static io.seata.core.protocol.MessageType.TYPE_REG_RM;
+
+/**
+ * The type Register rm request.
+ *
+ * @author jimin.jm @alibaba-inc.com
+ * @date 2018 /10/10
+ */
+public class RegisterRMRequest extends AbstractIdentifyRequest implements Serializable {
+    private static final long serialVersionUID = 7539732523682335742L;
+
+    private String resourceIds;
+
+    /**
+     * Instantiates a new Register rm request.
+     */
+    public RegisterRMRequest() {
+        this(null, null);
+    }
+
+    /**
+     * Instantiates a new Register rm request.
+     *
+     * @param applicationId           the application id
+     * @param transactionServiceGroup the transaction service group
+     */
+    public RegisterRMRequest(String applicationId, String transactionServiceGroup) {
+        super(applicationId, transactionServiceGroup);
+    }
+
+    /**
+     * Gets resource ids.
+     *
+     * @return the resource ids
+     */
+    public String getResourceIds() {
+        return resourceIds;
+    }
+
+    /**
+     * Sets resource ids.
+     *
+     * @param resourceIds the resource ids
+     */
+    public void setResourceIds(String resourceIds) {
+        this.resourceIds = resourceIds;
+    }
+
+    @Override
+    public short getTypeCode() {
+        return TYPE_REG_RM;
+    }
+
+    @Override
+    protected void doEncode() {
+        super.doEncode();
+        if (this.resourceIds != null) {
+            byte[] bs = resourceIds.getBytes(UTF8);
+            byteBuffer.putInt(bs.length);
+            if (bs.length > 0) {
+                byteBuffer.put(bs);
+            }
+        } else {
+            byteBuffer.putInt(0);
+        }
+    }
+
+    @Override
+    public boolean decode(ByteBuf in) {
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        short len = in.readShort();
+        if (len > 0) {
+            if (in.readableBytes() < len) {
+                return false;
+            }
+            byte[] bs = new byte[len];
+            in.readBytes(bs);
+            this.setVersion(new String(bs, UTF8));
+        } else {
+            return false;
+        }
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (len > 0) {
+            if (in.readableBytes() < len) {
+                return false;
+            }
+            byte[] bs = new byte[len];
+            in.readBytes(bs);
+            this.setApplicationId(new String(bs, UTF8));
+        }
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() < len) {
+            return false;
+        }
+        byte[] bs = new byte[len];
+        in.readBytes(bs);
+        this.setTransactionServiceGroup(new String(bs, UTF8));
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (len > 0) {
+            if (in.readableBytes() < len) {
+                return false;
+            }
+            bs = new byte[len];
+            in.readBytes(bs);
+            this.setExtraData(new String(bs, UTF8));
+        }
+
+        int iLen;
+        if (in.readableBytes() < 4) {
+            return false;
+        }
+        iLen = in.readInt();
+
+        if (iLen > 0) {
+            if (in.readableBytes() < iLen) {
+                return false;
+            }
+            bs = new byte[iLen];
+            in.readBytes(bs);
+            this.setResourceIds(new String(bs, UTF8));
+            return true;
+        }
+        //maybe null
+
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "RegisterRMRequest{" +
+            "resourceIds='" + resourceIds + '\'' +
+            ", applicationId='" + applicationId + '\'' +
+            ", transactionServiceGroup='" + transactionServiceGroup + '\'' +
+            '}';
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMResponse.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMResponse.java
new file mode 100644
index 00000000000..7375bf5e720
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMResponse.java
@@ -0,0 +1,53 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+
+import io.seata.core.protocol.MessageType;
+
+import java.io.Serializable;
+
+/**
+ * The type Register rm response.
+ *
+ * @author jimin.jm @alibaba-inc.com
+ * @date 2018 /10/10
+ */
+public class RegisterRMResponse extends AbstractIdentifyResponse implements Serializable {
+    private static final long serialVersionUID = 6391375605848221420L;
+
+    /**
+     * Instantiates a new Register rm response.
+     */
+    public RegisterRMResponse() {
+        this(true);
+    }
+
+    /**
+     * Instantiates a new Register rm response.
+     *
+     * @param result the result
+     */
+    public RegisterRMResponse(boolean result) {
+        super();
+        setIdentified(result);
+    }
+
+    @Override
+    public short getTypeCode() {
+        return MessageType.TYPE_REG_RM_RESULT;
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequest.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequest.java
new file mode 100644
index 00000000000..2b1a70c8497
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequest.java
@@ -0,0 +1,73 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+
+import io.seata.core.protocol.MessageType;
+
+import java.io.Serializable;
+
+/**
+ * The type Register tm request.
+ *
+ * @author jimin.jm @alibaba-inc.com
+ * @date 2018 /10/15
+ */
+public class RegisterTMRequest extends AbstractIdentifyRequest implements Serializable {
+    private static final long serialVersionUID = -5929081344190543690L;
+
+    /**
+     * Instantiates a new Register tm request.
+     */
+    public RegisterTMRequest() {
+        this(null, null);
+    }
+
+    /**
+     * Instantiates a new Register tm request.
+     *
+     * @param applicationId           the application id
+     * @param transactionServiceGroup the transaction service group
+     * @param extraData               the extra data
+     */
+    public RegisterTMRequest(String applicationId, String transactionServiceGroup, String extraData) {
+        super(applicationId, transactionServiceGroup, extraData);
+
+    }
+
+    /**
+     * Instantiates a new Register tm request.
+     *
+     * @param applicationId           the application id
+     * @param transactionServiceGroup the transaction service group
+     */
+    public RegisterTMRequest(String applicationId, String transactionServiceGroup) {
+        super(applicationId, transactionServiceGroup);
+    }
+
+    @Override
+    public short getTypeCode() {
+        return MessageType.TYPE_REG_CLT;
+    }
+
+    @Override
+    public String toString() {
+        return "RegisterTMRequest{" +
+            "applicationId='" + applicationId + '\'' +
+            ", transactionServiceGroup='" + transactionServiceGroup + '\'' +
+            '}';
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponse.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponse.java
new file mode 100644
index 00000000000..4db675e596a
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponse.java
@@ -0,0 +1,53 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+
+import io.seata.core.protocol.MessageType;
+
+import java.io.Serializable;
+
+/**
+ * The type Register tm response.
+ *
+ * @author jimin.jm @alibaba-inc.com
+ * @date 2018 /10/15
+ */
+public class RegisterTMResponse extends AbstractIdentifyResponse implements Serializable {
+    private static final long serialVersionUID = 3629846050062228749L;
+
+    /**
+     * Instantiates a new Register tm response.
+     */
+    public RegisterTMResponse() {
+        this(true);
+    }
+
+    /**
+     * Instantiates a new Register tm response.
+     *
+     * @param result the result
+     */
+    public RegisterTMResponse(boolean result) {
+        super();
+        setIdentified(result);
+    }
+
+    @Override
+    public short getTypeCode() {
+        return MessageType.TYPE_REG_CLT_RESULT;
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
new file mode 100644
index 00000000000..72109429694
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
@@ -0,0 +1,139 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.seata.core.protocol.MessageType;
+import io.seata.core.rpc.netty.v0.MessageCodecV0;
+import io.seata.core.rpc.netty.v0.SerializerV0;
+
+/**
+ * The Seata codec v0.
+ *
+ * @author Bughue
+ */
+public class SeataV0Serializer implements SerializerV0 {
+
+    public SeataV0Serializer() {
+
+    }
+
+
+    @Override
+    public MessageCodecV0 getMsgInstanceByCode(short typeCode) {
+        MessageCodecV0 msgCodec = null;
+        switch (typeCode) {
+//            case MessageType.TYPE_SEATA_MERGE:
+//                msgCodec = new MergedWarpMessage();
+//                break;
+//            case MessageType.TYPE_SEATA_MERGE_RESULT:
+//                msgCodec = new MergeResultMessage();
+//                break;
+            case MessageType.TYPE_REG_CLT:
+                msgCodec = new RegisterTMRequest();
+                break;
+            case MessageType.TYPE_REG_CLT_RESULT:
+                msgCodec = new RegisterTMResponse();
+                break;
+            case MessageType.TYPE_REG_RM:
+                msgCodec = new RegisterRMRequest();
+                break;
+            case MessageType.TYPE_REG_RM_RESULT:
+                msgCodec = new RegisterRMResponse();
+                break;
+//            case MessageType.TYPE_BRANCH_COMMIT:
+//                msgCodec = new BranchCommitRequest();
+//                break;
+//            case MessageType.TYPE_BRANCH_ROLLBACK:
+//                msgCodec = new BranchRollbackRequest();
+//                break;
+            default:
+                break;
+        }
+
+        if (null != msgCodec) {
+            return msgCodec;
+        }
+
+        try {
+            msgCodec = (MessageCodecV0) getMergeRequestInstanceByCode(typeCode);
+        } catch (Exception exx) {
+
+        }
+        if (null != msgCodec) {
+            return msgCodec;
+        }
+
+        return (MessageCodecV0)getMergeResponseInstanceByCode(typeCode);
+    }
+
+    /**
+     * Gets merge request instance by code.
+     *
+     * @param typeCode the type code
+     * @return the merge request instance by code
+     */
+    public static MergedMessageV0 getMergeRequestInstanceByCode(int typeCode) {
+        switch (typeCode) {
+//            case MessageType.TYPE_GLOBAL_BEGIN:
+//                return new GlobalBeginRequest();
+//            case MessageType.TYPE_GLOBAL_COMMIT:
+//                return new GlobalCommitRequest();
+//            case MessageType.TYPE_GLOBAL_ROLLBACK:
+//                return new GlobalRollbackRequest();
+//            case MessageType.TYPE_GLOBAL_STATUS:
+//                return new GlobalStatusRequest();
+//            case MessageType.TYPE_GLOBAL_LOCK_QUERY:
+//                return new GlobalLockQueryRequest();
+//            case MessageType.TYPE_BRANCH_REGISTER:
+//                return new BranchRegisterRequest();
+//            case MessageType.TYPE_BRANCH_STATUS_REPORT:
+//                return new BranchReportRequest();
+            default:
+                throw new IllegalArgumentException("not support typeCode," + typeCode);
+        }
+    }
+
+    /**
+     * Gets merge response instance by code.
+     *
+     * @param typeCode the type code
+     * @return the merge response instance by code
+     */
+    public static MergedMessageV0 getMergeResponseInstanceByCode(int typeCode) {
+        switch (typeCode) {
+//            case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
+//                return new GlobalBeginResponse();
+//            case MessageType.TYPE_GLOBAL_COMMIT_RESULT:
+//                return new GlobalCommitResponse();
+//            case MessageType.TYPE_GLOBAL_ROLLBACK_RESULT:
+//                return new GlobalRollbackResponse();
+//            case MessageType.TYPE_GLOBAL_STATUS_RESULT:
+//                return new GlobalStatusResponse();
+//            case MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT:
+//                return new GlobalLockQueryResponse();
+//            case MessageType.TYPE_BRANCH_REGISTER_RESULT:
+//                return new BranchRegisterResponse();
+//            case MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT:
+//                return new BranchReportResponse();
+//            case MessageType.TYPE_BRANCH_COMMIT_RESULT:
+//                return new BranchCommitResponse();
+//            case MessageType.TYPE_BRANCH_ROLLBACK_RESULT:
+//                return new BranchRollbackResponse();
+            default:
+                throw new IllegalArgumentException("not support typeCode," + typeCode);
+        }
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataV1Serializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataV1Serializer.java
new file mode 100644
index 00000000000..b2e46218984
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataV1Serializer.java
@@ -0,0 +1,47 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v1;
+
+import com.sun.tools.javac.util.Pair;
+import io.seata.common.loader.LoadLevel;
+import io.seata.core.protocol.MessageType;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RegisterRMRequest;
+import io.seata.core.protocol.RegisterRMResponse;
+import io.seata.core.protocol.RegisterTMRequest;
+import io.seata.core.protocol.RegisterTMResponse;
+import io.seata.serializer.seata.SeataAbstractSerializer;
+
+/**
+ * The Seata codec v1.
+ *
+ * @author Bughue
+ */
+@LoadLevel(name = "SEATA", version = ProtocolConstants.VERSION_1)
+public class SeataV1Serializer extends SeataAbstractSerializer {
+
+    public SeataV1Serializer() {
+        classMap.put(MessageType.TYPE_REG_CLT, new Pair<>(RegisterTMRequestCodec.class, RegisterTMRequest.class));
+        classMap.put(MessageType.TYPE_REG_CLT_RESULT, new Pair<>(RegisterTMResponseCodec.class, RegisterTMResponse.class));
+        classMap.put(MessageType.TYPE_REG_RM, new Pair<>(RegisterRMRequestCodec.class, RegisterRMRequest.class));
+        classMap.put(MessageType.TYPE_REG_RM_RESULT, new Pair<>(RegisterRMResponseCodec.class, RegisterRMResponse.class));
+
+    }
+
+
+
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v2/package-info.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v2/package-info.java
deleted file mode 100644
index 7ae085eae2c..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v2/package-info.java
+++ /dev/null
@@ -1 +0,0 @@
-package io.seata.serializer.seata.protocol.v2;
\ No newline at end of file
diff --git a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
index 0d76176a84c..e127901cc83 100644
--- a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
+++ b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
@@ -1 +1,2 @@
-io.seata.serializer.seata.SeataSerializer
\ No newline at end of file
+io.seata.serializer.seata.protocol.v1.SeataV1Serializer
+io.seata.serializer.seata.protocol.v0.SeataV0Serializer
\ No newline at end of file
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
index c102342f71a..1d8219991db 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
@@ -23,7 +23,7 @@
 import io.seata.core.protocol.BatchResultMessage;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchCommitResponse;
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -39,7 +39,7 @@ public class BatchResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
 
     @Test
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
index 5e9fff4a211..891f602147e 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
@@ -15,12 +15,12 @@
  */
 package io.seata.serializer.seata.protocol;
 
-import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.MergeResultMessage;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.GlobalBeginResponse;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -35,7 +35,7 @@ public class MergeResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
index 3e0fc3b7994..546ead2fdc5 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
@@ -21,7 +21,7 @@
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.MergedWarpMessage;
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -37,7 +37,7 @@ public class MergedWarpMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
index c2c27b06228..13d3182aadc 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
@@ -15,8 +15,8 @@
  */
 package io.seata.serializer.seata.protocol;
 
-import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterRMRequest;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -31,7 +31,7 @@ public class RegisterRMRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
index 8b58f9f44e9..b82e58f84e6 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
@@ -15,9 +15,9 @@
  */
 package io.seata.serializer.seata.protocol;
 
-import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterRMResponse;
 import io.seata.core.protocol.ResultCode;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -33,7 +33,7 @@ public class RegisterRMResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
index 99ed2a61374..672c946aafe 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
@@ -16,9 +16,9 @@
 package io.seata.serializer.seata.protocol;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.AbstractIdentifyRequest;
 import io.seata.core.protocol.RegisterTMRequest;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
@@ -37,7 +37,7 @@ public class RegisterTMRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     private static       RegisterTMRequest       registerTMRequest;
     private static       AbstractIdentifyRequest air;
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
index a2a968e296c..d018d4f03b2 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
@@ -15,9 +15,9 @@
  */
 package io.seata.serializer.seata.protocol;
 
-import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterTMResponse;
 import io.seata.core.protocol.ResultCode;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -32,7 +32,7 @@ public class RegisterTMResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
index 8cadec8fb41..bc6cc7a97ba 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchCommitRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +32,7 @@ public class BranchCommitRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
index 7ed87e201b3..9645ca36bde 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.protocol.ResultCode;
@@ -34,7 +34,7 @@ public class BranchCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
index 81e844f4d8b..f8897b984ab 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchRegisterRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +32,7 @@ public class BranchRegisterRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
index 23a277daa9c..a239420fa3b 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchRegisterResponse;
@@ -33,7 +33,7 @@ public class BranchRegisterResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
index fb8fcd00c82..8ff6bbfa7e2 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchReportRequest;
@@ -33,7 +33,7 @@ public class BranchReportRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
index 41140639c5a..1f810655a58 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchReportResponse;
@@ -33,7 +33,7 @@ public class BranchReportResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
index 41ad6db2cdf..f49b14c7bc2 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchRollbackRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +32,7 @@ public class BranchRollbackRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
index 8276be9dad6..3a75972cb1c 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.protocol.ResultCode;
@@ -34,7 +34,7 @@ public class BranchRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
index 4167ed2a929..0f9f4badced 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +31,7 @@ public class GlobalBeginRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
index cc2ec27675c..c5a6efabd24 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.GlobalBeginResponse;
@@ -32,7 +32,7 @@ public class GlobalBeginResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
index 885568ff46b..cbfc8eb0582 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.protocol.transaction.GlobalCommitRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +31,7 @@ public class GlobalCommitRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
index 310a5cfc52f..d54ca92de56 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +33,7 @@ public class GlobalCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
index 2a1ac53e925..446746644c3 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.GlobalLockQueryRequest;
 import org.junit.jupiter.api.Test;
@@ -31,7 +31,7 @@ public class GlobalLockQueryRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
index 706197808b5..9456b6dd58b 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.GlobalLockQueryResponse;
@@ -33,7 +33,7 @@ public class GlobalLockQueryResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
index 06a54065855..1b493c99796 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.protocol.transaction.GlobalRollbackRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +31,7 @@ public class GlobalRollbackRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
index cd8849e6f41..2ac992dd8ff 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -34,7 +34,7 @@ public class GlobalRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
index 37f52de98e3..d3b0804f89b 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.protocol.transaction.GlobalStatusRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +31,7 @@ public class GlobalStatusRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
index cc2cba4f460..2d67d80ff7e 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +33,7 @@ public class GlobalStatusResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
index 742efe229cc..444f3281115 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.SeataSerializer;
+import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.UndoLogDeleteRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +32,7 @@ public class UndoLogDeleteRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataV1Serializer seataSerializer = new SeataV1Serializer();
 
     /**
      * Test codec.

From 6c0898291d2f3daf8c77a6596f0c65c2ed51fd25 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 21 Aug 2023 17:23:08 +0800
Subject: [PATCH 06/22] protocol

---
 .../common/loader/EnhancedServiceLoader.java  |   6 +-
 .../core/protocol/ProtocolConstants.java      |   2 +
 .../io/seata/core/protocol/RpcMessage.java    |  10 ++
 .../java/io/seata/core/protocol/Version.java  |   4 +-
 .../rpc/DefaultServerMessageListenerImpl.java |   4 +-
 .../java/io/seata/core/rpc/RpcContext.java    |  10 ++
 .../core/rpc/netty/AbstractNettyRemoting.java |   1 +
 .../netty/AbstractNettyRemotingClient.java    |   4 +-
 .../netty/AbstractNettyRemotingServer.java    |  35 ++--
 .../seata/core/rpc/netty/ChannelManager.java  |   6 +-
 .../rpc/netty/CompatibleProtocolDecoder.java  |  76 ++++++---
 .../rpc/netty/CompatibleProtocolEncoder.java  |  30 +++-
 .../seata/core/rpc/netty/ProtocolDecoder.java |  15 ++
 .../seata/core/rpc/netty/ProtocolEncoder.java |  19 +++
 .../core/rpc/netty/ProtocolRpcMessage.java    |   3 +-
 .../core/rpc/netty/TmNettyRemotingClient.java |   3 +-
 .../core/rpc/netty/v0/MessageCodecV0.java     |  13 +-
 .../rpc/netty/v0/ProtocolV0Constants.java     |   9 +-
 .../core/rpc/netty/v0/ProtocolV0Decoder.java  |  36 ++--
 .../core/rpc/netty/v0/ProtocolV0Encoder.java  |  64 ++++++-
 .../rpc/netty/v0/ProtocolV0RpcMessage.java    |  43 ++++-
 .../core/rpc/netty/v1/ProtocolV1Decoder.java  |   3 +-
 .../core/rpc/netty/v1/ProtocolV1Encoder.java  |  94 +++++-----
 .../rpc/netty/v1/ProtocolV1RpcMessage.java    |  24 ++-
 .../rpc/processor/server/RegRmProcessor.java  |   2 +-
 .../rpc/processor/server/RegTmProcessor.java  |   6 +-
 .../seata/SeataAbstractSerializer.java        |   4 +-
 .../v0/AbstractIdentifyRequestCodec.java      | 154 +++++++++++++++++
 .../v0/AbstractIdentifyResponseCodec.java     |  70 ++++++++
 .../protocol/v0/AbstractMessageCodec.java     |  72 ++++++++
 .../v0/AbstractResultMessageCodec.java        |  77 +++++++++
 .../protocol/v0/RegisterTMRequestCodec.java   |  33 ++++
 .../protocol/v0/RegisterTMResponseCodec.java  |  34 ++++
 .../seata/protocol/v0/SeataV0Serializer.java  | 161 +++++++-----------
 .../AbstractIdentifyRequestV0.java}           |  70 +++++++-
 .../AbstractIdentifyResponseV0.java}          |   4 +-
 .../{v0 => v0_1}/AbstractMessageV0.java       |   8 +-
 .../{v0 => v0_1}/AbstractResultMessageV0.java |  12 +-
 .../{v0 => v0_1}/MergedMessageV0.java         |   2 +-
 .../RegisterRMRequestV0.java}                 |   8 +-
 .../RegisterRMResponseV0.java}                |   8 +-
 .../RegisterTMRequestV0.java}                 |  10 +-
 .../RegisterTMResponseV0.java}                |   8 +-
 .../protocol/v0_1/SeataV0Serializer.java      | 139 +++++++++++++++
 .../io.seata.core.rpc.netty.v0.SerializerV0   |   1 +
 .../io.seata.core.serializer.Serializer       |   2 +-
 .../core/rpc/netty/TmNettyClientTest.java     |  38 +++++
 47 files changed, 1168 insertions(+), 269 deletions(-)
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponseCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0/AbstractIdentifyRequest.java => v0_1/AbstractIdentifyRequestV0.java} (78%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0/AbstractIdentifyResponse.java => v0_1/AbstractIdentifyResponseV0.java} (96%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0 => v0_1}/AbstractMessageV0.java (88%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0 => v0_1}/AbstractResultMessageV0.java (91%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0 => v0_1}/MergedMessageV0.java (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0/RegisterRMRequest.java => v0_1/RegisterRMRequestV0.java} (94%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0/RegisterRMResponse.java => v0_1/RegisterRMResponseV0.java} (84%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0/RegisterTMRequest.java => v0_1/RegisterTMRequestV0.java} (83%)
 rename serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/{v0/RegisterTMResponse.java => v0_1/RegisterTMResponseV0.java} (84%)
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/SeataV0Serializer.java
 create mode 100644 serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.rpc.netty.v0.SerializerV0

diff --git a/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java b/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
index 344f555d6c6..c8e4f9e04c3 100644
--- a/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
+++ b/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
@@ -594,13 +594,15 @@ private ExtensionDefinition<S> getUnloadedExtensionDefinition(String className,
                 String serviceName = null;
                 int priority = 0;
                 Scope scope = Scope.SINGLETON;
+                byte version = -1;
                 LoadLevel loadLevel = clazz.getAnnotation(LoadLevel.class);
                 if (loadLevel != null) {
                     serviceName = loadLevel.name();
                     priority = loadLevel.order();
                     scope = loadLevel.scope();
+                    version = loadLevel.version();
                 }
-                ExtensionDefinition<S> result = new ExtensionDefinition<>(serviceName, priority, scope, enhancedServiceClass);
+                ExtensionDefinition<S> result = new ExtensionDefinition<>(serviceName, priority, scope, enhancedServiceClass, version);
                 classToDefinitionMap.put(clazz, result);
                 if (serviceName != null) {
                     CollectionUtils.computeIfAbsent(nameToDefinitionsMap, serviceName, e -> new ArrayList<>())
@@ -630,7 +632,7 @@ private ExtensionDefinition<S> getDefaultExtensionDefinition() {
 
         private ExtensionDefinition<S> getCachedExtensionDefinition(String activateName, int version) {
             List<ExtensionDefinition<S>> definitions = nameToDefinitionsMap.get(activateName);
-            if (version < 0) {
+            if (version >= 0) {
                 Optional<ExtensionDefinition<S>> first = definitions.stream().filter(d -> d.getVersion() == version).findFirst();
                 if (first.isPresent()) {
                     return first.get();
diff --git a/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java b/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
index 769887fe6a0..500f77d8ace 100644
--- a/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
+++ b/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
@@ -41,6 +41,8 @@ public interface ProtocolConstants {
      */
     byte VERSION_1 = 1;
 
+    byte VERSION_CURRENT = VERSION_1;
+
     /**
      * Max frame length
      */
diff --git a/core/src/main/java/io/seata/core/protocol/RpcMessage.java b/core/src/main/java/io/seata/core/protocol/RpcMessage.java
index 02d611ce242..7f1f91d1ebb 100644
--- a/core/src/main/java/io/seata/core/protocol/RpcMessage.java
+++ b/core/src/main/java/io/seata/core/protocol/RpcMessage.java
@@ -34,6 +34,8 @@ public class RpcMessage {
     private Map<String, String> headMap = new HashMap<>();
     private Object body;
 
+    private byte protocolVersion;
+
     /**
      * Gets id.
      *
@@ -168,6 +170,14 @@ public void setMessageType(byte messageType) {
         this.messageType = messageType;
     }
 
+    public byte getProtocolVersion() {
+        return protocolVersion;
+    }
+
+    public void setProtocolVersion(byte protocolVersion) {
+        this.protocolVersion = protocolVersion;
+    }
+
     @Override
     public String toString() {
         return StringUtils.toString(this);
diff --git a/core/src/main/java/io/seata/core/protocol/Version.java b/core/src/main/java/io/seata/core/protocol/Version.java
index 2d17156c02c..96b47df8d8b 100644
--- a/core/src/main/java/io/seata/core/protocol/Version.java
+++ b/core/src/main/java/io/seata/core/protocol/Version.java
@@ -89,7 +89,9 @@ public static void checkVersion(String version) throws IncompatibleVersionExcept
         long current = convertVersion(CURRENT);
         long clientVersion = convertVersion(version);
         long divideVersion = convertVersion(VERSION_0_7_1);
-        if ((current > divideVersion && clientVersion < divideVersion) || (current < divideVersion && clientVersion > divideVersion)) {
+        if (
+//                (current > divideVersion && clientVersion < divideVersion) ||
+                (current < divideVersion && clientVersion > divideVersion)) {
             throw new IncompatibleVersionException("incompatible client version:" + version);
         }
     }
diff --git a/core/src/main/java/io/seata/core/rpc/DefaultServerMessageListenerImpl.java b/core/src/main/java/io/seata/core/rpc/DefaultServerMessageListenerImpl.java
index c81f78fb5d4..40499d1d80d 100644
--- a/core/src/main/java/io/seata/core/rpc/DefaultServerMessageListenerImpl.java
+++ b/core/src/main/java/io/seata/core/rpc/DefaultServerMessageListenerImpl.java
@@ -113,7 +113,7 @@ public void onRegRmMessage(RpcMessage request, ChannelHandlerContext ctx, Regist
         String errorInfo = StringUtils.EMPTY;
         try {
             if (checkAuthHandler == null || checkAuthHandler.regResourceManagerCheckAuth(message)) {
-                ChannelManager.registerRMChannel(message, ctx.channel());
+                ChannelManager.registerRMChannel(message, ctx.channel(), request.getProtocolVersion());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
@@ -145,7 +145,7 @@ public void onRegTmMessage(RpcMessage request, ChannelHandlerContext ctx, Regist
         String errorInfo = StringUtils.EMPTY;
         try {
             if (checkAuthHandler == null || checkAuthHandler.regTransactionManagerCheckAuth(message)) {
-                ChannelManager.registerTMChannel(message, ctx.channel());
+                ChannelManager.registerTMChannel(message, ctx.channel(), request.getProtocolVersion());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
diff --git a/core/src/main/java/io/seata/core/rpc/RpcContext.java b/core/src/main/java/io/seata/core/rpc/RpcContext.java
index 2fe3cca0769..6a86b088126 100644
--- a/core/src/main/java/io/seata/core/rpc/RpcContext.java
+++ b/core/src/main/java/io/seata/core/rpc/RpcContext.java
@@ -42,6 +42,8 @@ public class RpcContext {
 
     private String version;
 
+    private byte protocolVersion;
+
     private String applicationId;
 
     private String transactionServiceGroup;
@@ -320,6 +322,14 @@ public void setClientId(String clientId) {
         this.clientId = clientId;
     }
 
+    public byte getProtocolVersion() {
+        return protocolVersion;
+    }
+
+    public void setProtocolVersion(byte protocolVersion) {
+        this.protocolVersion = protocolVersion;
+    }
+
     @Override
     public String toString() {
         return "RpcContext{" +
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
index 5b9cd51ae3e..1fa623e0302 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
@@ -239,6 +239,7 @@ protected RpcMessage buildRequestMessage(Object msg, byte messageType) {
         rpcMessage.setCodec(ProtocolConstants.CONFIGURED_CODEC);
         rpcMessage.setCompressor(ProtocolConstants.CONFIGURED_COMPRESSOR);
         rpcMessage.setBody(msg);
+        rpcMessage.setProtocolVersion(ProtocolConstants.VERSION_CURRENT);
         return rpcMessage;
     }
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
index 3bab93615d6..3c638bf12e3 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
@@ -56,8 +56,6 @@
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
 import io.seata.core.rpc.RemotingClient;
 import io.seata.core.rpc.TransactionMessageHandler;
-import io.seata.core.rpc.netty.v0.ProtocolV0RpcMessage;
-import io.seata.core.rpc.netty.v1.ProtocolV1RpcMessage;
 import io.seata.core.rpc.processor.Pair;
 import io.seata.core.rpc.processor.RemotingProcessor;
 import io.seata.discovery.loadbalance.LoadBalanceFactory;
@@ -417,7 +415,7 @@ class ClientHandler extends ChannelDuplexHandler {
         public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
             RpcMessage rpcMessage = null;
             if (msg instanceof ProtocolRpcMessage) {
-                rpcMessage = ((ProtocolRpcMessage) msg).convert2RpcMsg();
+                rpcMessage = ((ProtocolRpcMessage) msg).protocolMsg2RpcMsg();
             }
 
             if (rpcMessage != null) {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
index 32a1e76e436..f8509e5ae31 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
@@ -33,8 +33,6 @@
 import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.RemotingServer;
 import io.seata.core.rpc.RpcContext;
-import io.seata.core.rpc.netty.v0.ProtocolV0RpcMessage;
-import io.seata.core.rpc.netty.v1.ProtocolV1RpcMessage;
 import io.seata.core.rpc.processor.Pair;
 import io.seata.core.rpc.processor.RemotingProcessor;
 import org.slf4j.Logger;
@@ -72,6 +70,20 @@ public Object sendSyncRequest(String resourceId, String clientId, Object msg, bo
             throw new RuntimeException("rm client is not connected. dbkey:" + resourceId + ",clientId:" + clientId);
         }
         RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
+        return superSendSync(channel, rpcMessage);
+    }
+
+    private void superSendAsync(Channel channel, RpcMessage rpcMessage) {
+        //todo 优化，是否为空
+        RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
+        rpcMessage.setProtocolVersion(rpcContext.getProtocolVersion());
+        super.sendAsync(channel, rpcMessage);
+    }
+
+    private Object superSendSync(Channel channel, RpcMessage rpcMessage) throws TimeoutException {
+        //todo 优化，是否为空
+        RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
+        rpcMessage.setProtocolVersion(rpcContext.getProtocolVersion());
         return super.sendSync(channel, rpcMessage, NettyServerConfig.getRpcRequestTimeout());
     }
 
@@ -81,7 +93,7 @@ public Object sendSyncRequest(Channel channel, Object msg) throws TimeoutExcepti
             throw new RuntimeException("client is not connected");
         }
         RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
-        return super.sendSync(channel, rpcMessage, NettyServerConfig.getRpcRequestTimeout());
+        return superSendSync(channel, rpcMessage);
     }
 
     @Override
@@ -90,9 +102,11 @@ public void sendAsyncRequest(Channel channel, Object msg) {
             throw new RuntimeException("client is not connected");
         }
         RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
-        super.sendAsync(channel, rpcMessage);
+        superSendAsync(channel, rpcMessage);
     }
 
+
+
     @Override
     public void sendAsyncResponse(RpcMessage rpcMessage, Channel channel, Object msg) {
         Channel clientChannel = channel;
@@ -103,7 +117,7 @@ public void sendAsyncResponse(RpcMessage rpcMessage, Channel channel, Object msg
             RpcMessage rpcMsg = buildResponseMessage(rpcMessage, msg, msg instanceof HeartbeatMessage
                 ? ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE
                 : ProtocolConstants.MSGTYPE_RESPONSE);
-            super.sendAsync(clientChannel, rpcMsg);
+            superSendAsync(clientChannel, rpcMsg);
         } else {
             throw new RuntimeException("channel is error.");
         }
@@ -165,7 +179,10 @@ class ServerHandler extends ChannelDuplexHandler {
          */
         @Override
         public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
-            RpcMessage rpcMessage= convert(msg);
+            RpcMessage rpcMessage = null;
+            if (msg instanceof ProtocolRpcMessage) {
+                rpcMessage = ((ProtocolRpcMessage) msg).protocolMsg2RpcMsg();
+            }
             if (rpcMessage != null) {
                 processMessage(ctx, rpcMessage);
             } else {
@@ -173,12 +190,6 @@ public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exce
             }
         }
 
-        private RpcMessage convert(Object msg) {
-            if(msg instanceof ProtocolRpcMessage){
-                return ((ProtocolRpcMessage) msg).convert2RpcMsg();
-            }
-            return null;
-        }
 
         @Override
         public void channelWritabilityChanged(ChannelHandlerContext ctx) {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ChannelManager.java b/core/src/main/java/io/seata/core/rpc/netty/ChannelManager.java
index 33e39033e95..b946815045e 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ChannelManager.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ChannelManager.java
@@ -120,7 +120,7 @@ private static RpcContext buildChannelHolder(NettyPoolKey.TransactionRole client
      * @param channel the channel
      * @throws IncompatibleVersionException the incompatible version exception
      */
-    public static void registerTMChannel(RegisterTMRequest request, Channel channel)
+    public static void registerTMChannel(RegisterTMRequest request, Channel channel, byte protocolVersion)
         throws IncompatibleVersionException {
         Version.checkVersion(request.getVersion());
         RpcContext rpcContext = buildChannelHolder(NettyPoolKey.TransactionRole.TMROLE, request.getVersion(),
@@ -133,6 +133,7 @@ public static void registerTMChannel(RegisterTMRequest request, Channel channel)
         ConcurrentMap<Integer, RpcContext> clientIdentifiedMap = CollectionUtils.computeIfAbsent(TM_CHANNELS,
             clientIdentified, key -> new ConcurrentHashMap<>());
         rpcContext.holdInClientChannels(clientIdentifiedMap);
+        rpcContext.setProtocolVersion(protocolVersion);
     }
 
     /**
@@ -142,7 +143,7 @@ public static void registerTMChannel(RegisterTMRequest request, Channel channel)
      * @param channel                the channel
      * @throws IncompatibleVersionException the incompatible  version exception
      */
-    public static void registerRMChannel(RegisterRMRequest resourceManagerRequest, Channel channel)
+    public static void registerRMChannel(RegisterRMRequest resourceManagerRequest, Channel channel, byte protocolVersion)
         throws IncompatibleVersionException {
         Version.checkVersion(resourceManagerRequest.getVersion());
         Set<String> dbkeySet = dbKeytoSet(resourceManagerRequest.getResourceIds());
@@ -166,6 +167,7 @@ public static void registerRMChannel(RegisterRMRequest resourceManagerRequest, C
             rpcContext.holdInResourceManagerChannels(resourceId, portMap);
             updateChannelsResource(resourceId, clientIp, resourceManagerRequest.getApplicationId());
         }
+        rpcContext.setProtocolVersion(protocolVersion);
     }
 
     private static void updateChannelsResource(String resourceId, String clientIp, String applicationId) {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
index efec66ad187..e8528a24ba0 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
@@ -63,10 +63,6 @@ public class CompatibleProtocolDecoder extends LengthFieldBasedFrameDecoder {
     public CompatibleProtocolDecoder() {
         // default is 8M
         this(ProtocolConstants.MAX_FRAME_LENGTH);
-        protocolDecoderMap = ImmutableMap.<Byte, ProtocolDecoder>builder()
-                .put(ProtocolConstants.VERSION_0, new ProtocolV0Decoder())
-                .put(ProtocolConstants.VERSION_1, new ProtocolV1Decoder())
-                .build();
     }
 
     public CompatibleProtocolDecoder(int maxFrameLength) {
@@ -78,17 +74,29 @@ int lengthFieldLength,  FullLength is int(4B). so values is 4
         int initialBytesToStrip we will check magic code and version self, so do not strip any bytes. so values is 0
         */
         super(maxFrameLength, 3, 4, -7, 0);
+        protocolDecoderMap = ImmutableMap.<Byte, ProtocolDecoder>builder()
+                .put(ProtocolConstants.VERSION_0, new ProtocolV0Decoder())
+                .put(ProtocolConstants.VERSION_1, new ProtocolV1Decoder())
+                .build();
     }
 
     @Override
     protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
+        ByteBuf frame;
         Object decoded;
+        byte version;
         try {
-            decoded = super.decode(ctx, in);
+            if (isV0(in)) {
+                decoded = in;
+                version = ProtocolConstants.VERSION_0;
+            } else {
+                decoded = super.decode(ctx, in);
+                version = decideVersion(decoded);
+            }
+
             if (decoded instanceof ByteBuf) {
-                ByteBuf frame = (ByteBuf) decoded;
+                frame = (ByteBuf) decoded;
                 try {
-                    byte version = decideVersion(frame);
                     ProtocolDecoder decoder = protocolDecoderMap.get(version);
                     if (decoder == null) {
                         // todo 要不要适配当前版本？
@@ -96,29 +104,57 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
                     }
                     return decoder.decodeFrame(frame);
                 } finally {
-                    frame.release();
+                    if(!isV0(version)){
+                        frame.release();
+                    }
                 }
             }
         } catch (Exception exx) {
             LOGGER.error("Decode frame error, cause: {}", exx.getMessage());
+            //todo
+            exx.printStackTrace();
             throw new DecodeException(exx);
         }
         return decoded;
     }
 
-    protected byte decideVersion(ByteBuf frame) {
-        frame.markReaderIndex();
-        byte b0 = frame.readByte();
-        byte b1 = frame.readByte();
-        if (ProtocolConstants.MAGIC_CODE_BYTES[0] != b0
-                || ProtocolConstants.MAGIC_CODE_BYTES[1] != b1) {
-            throw new IllegalArgumentException("Unknown magic code: " + b0 + ", " + b1);
-        }
+    protected byte decideVersion(Object in) {
+        if (in instanceof ByteBuf) {
+            ByteBuf frame = (ByteBuf) in;
+            frame.markReaderIndex();
+            byte b0 = frame.readByte();
+            byte b1 = frame.readByte();
+            if (ProtocolConstants.MAGIC_CODE_BYTES[0] != b0
+                    || ProtocolConstants.MAGIC_CODE_BYTES[1] != b1) {
+                throw new IllegalArgumentException("Unknown magic code: " + b0 + ", " + b1);
+            }
 
-        byte version = frame.readByte();
-        frame.resetReaderIndex();
-        return version;
+            byte version = frame.readByte();
+            frame.resetReaderIndex();
+            return version;
+        }
+        // todo
+        return -1;
     }
 
 
-}
+    protected boolean isV0(ByteBuf in) {
+        boolean isV0 = false;
+        in.markReaderIndex();
+        byte b0 = in.readByte();
+        byte b1 = in.readByte();
+        byte version = in.readByte();
+        if (ProtocolConstants.MAGIC_CODE_BYTES[0] == b0
+                && ProtocolConstants.MAGIC_CODE_BYTES[1] == b1
+                && isV0(version)) {
+            isV0 = true;
+        }
+
+        in.resetReaderIndex();
+        return isV0;
+    }
+
+    protected boolean isV0(byte version) {
+        return version == ProtocolConstants.VERSION_0;
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
index f1482cee564..20c637730bf 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
@@ -15,13 +15,22 @@
  */
 package io.seata.core.rpc.netty;
 
+import com.google.common.collect.ImmutableMap;
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.MessageToByteEncoder;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.v0.ProtocolV0Decoder;
+import io.seata.core.rpc.netty.v0.ProtocolV0Encoder;
+import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
+import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
+import io.seata.core.rpc.netty.v1.ProtocolV1RpcMessage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Map;
+
 /**
  * <pre>
  * </pre>
@@ -39,11 +48,30 @@ public class CompatibleProtocolEncoder extends MessageToByteEncoder {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(CompatibleProtocolEncoder.class);
 
+    private static Map<Byte, ProtocolEncoder> protocolEncoderMap;
+
+    public CompatibleProtocolEncoder(){
+        super();
+        protocolEncoderMap = ImmutableMap.<Byte, ProtocolEncoder>builder()
+                .put(ProtocolConstants.VERSION_0, new ProtocolV0Encoder())
+                .put(ProtocolConstants.VERSION_1, new ProtocolV1Encoder())
+                .build();
+    }
+
     @Override
     public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
         try {
             if (msg instanceof RpcMessage) {
-                // todo 调用子类进行encode，公共逻辑现在没有抽取
+                RpcMessage rpcMessage = (RpcMessage) msg;
+                byte version = rpcMessage.getProtocolVersion();
+                ProtocolEncoder encoder = protocolEncoderMap.get(version);
+                if (encoder == null) {
+                    // todo 要不要适配当前版本？
+                    throw new IllegalArgumentException("Unknown version: " + version);
+                }
+
+                encoder.encode(rpcMessage,out);
+
             } else {
                 throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
             }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
index 5f1fc6a90dd..d6ebb3f6974 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
@@ -1,3 +1,18 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package io.seata.core.rpc.netty;
 
 import io.netty.buffer.ByteBuf;
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
index ceca3e9bd7f..74bf1b1b2d7 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
@@ -1,4 +1,23 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package io.seata.core.rpc.netty;
 
+import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.RpcMessage;
+
 public interface ProtocolEncoder {
+    void encode(RpcMessage rpcMessage, ByteBuf out);
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
index 13c60b59900..5ce758d7d50 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
@@ -8,6 +8,7 @@
  * @author Bughue
  */
 public interface ProtocolRpcMessage {
-    RpcMessage convert2RpcMsg();
+    RpcMessage protocolMsg2RpcMsg();
 
+    void rpcMsg2ProtocolMsg(RpcMessage rpcMessage);
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/TmNettyRemotingClient.java b/core/src/main/java/io/seata/core/rpc/netty/TmNettyRemotingClient.java
index e2a238b61df..c90db35f386 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/TmNettyRemotingClient.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/TmNettyRemotingClient.java
@@ -221,7 +221,8 @@ public void onRegisterMsgSuccess(String serverAddress, Channel channel, Object r
         RegisterTMRequest registerTMRequest = (RegisterTMRequest) requestMessage;
         RegisterTMResponse registerTMResponse = (RegisterTMResponse) response;
         if (LOGGER.isInfoEnabled()) {
-            LOGGER.info("register TM success. client version:{}, server version:{},channel:{}", registerTMRequest.getVersion(), registerTMResponse.getVersion(), channel);
+            LOGGER.info("register TM success. client version:{}, server version:{},channel:{}",
+                    registerTMRequest.getVersion(), registerTMResponse.getVersion(), channel);
         }
         getClientChannelManager().registerChannel(serverAddress, channel);
     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
index 2aa97266097..da241f2666a 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
@@ -16,6 +16,9 @@
 package io.seata.core.rpc.netty.v0;
 
 import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.AbstractIdentifyRequest;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.MessageTypeAware;
 
 /**
  * The interface Message codec.
@@ -23,13 +26,7 @@
  * @author jimin.jm @alibaba-inc.com
  * @date 2018 /9/14
  */
-public interface MessageCodecV0 {
-    /**
-     * Gets type code.
-     *
-     * @return the type code
-     */
-    short getTypeCode();
+public interface MessageCodecV0<T> extends MessageTypeAware {
 
     /**
      * Encode byte [ ].
@@ -45,4 +42,6 @@ public interface MessageCodecV0 {
      * @return the boolean
      */
     boolean decode(ByteBuf in);
+
+    boolean decode(ByteBuf in, T req);
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
index 2a01f35e6c0..be761391727 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
@@ -22,10 +22,11 @@
  * @date 2023/7/18
  **/
 public class ProtocolV0Constants {
+    public static short MAGIC = (short)0xdada;
 
     public static int HEAD_LENGTH = 14;
-    public static final int FLAG_REQUEST = 0x80;
-    public static final int FLAG_ASYNC = 0x40;
-    public static final int FLAG_HEARTBEAT = 0x20;
-    public static final int FLAG_SEATA_CODEC = 0x10;
+    public static final short FLAG_REQUEST = 0x80;
+    public static final short FLAG_ASYNC = 0x40;
+    public static final short FLAG_HEARTBEAT = 0x20;
+    public static final short FLAG_SEATA_CODEC = 0x10;
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
index 33b26e09186..979dcd66e13 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
@@ -19,8 +19,12 @@
 import io.seata.common.loader.EnhancedServiceLoader;
 import io.seata.core.protocol.HeartbeatMessage;
 
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.rpc.RegisterCheckAuthHandler;
 import io.seata.core.rpc.netty.ProtocolDecoder;
+import io.seata.core.serializer.Serializer;
+import io.seata.core.serializer.SerializerServiceLoader;
+import io.seata.core.serializer.SerializerType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -63,6 +67,7 @@ public class ProtocolV0Decoder implements ProtocolDecoder {
 
     @Override
     public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
+        ProtocolV0RpcMessage rpcMessage = new ProtocolV0RpcMessage();
         // todo 旧版本是直接返回跳过了，我们需要保留这个逻辑？【特殊】
         if (in.readableBytes() < ProtocolV0Constants.HEAD_LENGTH) {
             throw new IllegalArgumentException("Nothing to decode.");
@@ -79,7 +84,7 @@ public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
         boolean isHeartbeat = (ProtocolV0Constants.FLAG_HEARTBEAT & flag) > 0;
         boolean isRequest = (ProtocolV0Constants.FLAG_REQUEST & flag) > 0;
         boolean isSeataCodec = (ProtocolV0Constants.FLAG_SEATA_CODEC & flag) > 0;
-
+        rpcMessage.setSeataCodec(isSeataCodec);
 
         short bodyLength = 0;
         short typeCode = 0;
@@ -89,9 +94,8 @@ public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
             typeCode = in.readShort();
         }
         long msgId = in.readLong();
+        rpcMessage.setId(msgId);
         if (isHeartbeat) {
-            ProtocolV0RpcMessage rpcMessage = new ProtocolV0RpcMessage();
-            rpcMessage.setId(msgId);
             rpcMessage.setAsync(true);
             rpcMessage.setHeartbeat(isHeartbeat);
             rpcMessage.setRequest(isRequest);
@@ -110,19 +114,31 @@ public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
             throw new IllegalArgumentException("readableBytes < bodyLength");
         }
 
-        ProtocolV0RpcMessage rpcMessage = new ProtocolV0RpcMessage();
-        rpcMessage.setId(msgId);
         rpcMessage.setAsync((ProtocolV0Constants.FLAG_ASYNC & flag) > 0);
         rpcMessage.setHeartbeat(false);
         rpcMessage.setRequest(isRequest);
 
         try {
+            // v0_1
             // todo serializer==null
-            MessageCodecV0 msgCodec = serializer.getMsgInstanceByCode(typeCode);
-            if (!msgCodec.decode(in)) {
-                throw new IllegalArgumentException("decode fail.");
-            }
-            rpcMessage.setBody(msgCodec);
+//            MessageCodecV0 msgCodec = serializer.getMsgInstanceByCode(typeCode);
+//            if (!msgCodec.decode(in)) {
+//                throw new IllegalArgumentException("decode fail.");
+//            }
+//            rpcMessage.setBody(msgCodec);
+
+            // v0_2
+            int length = in.readableBytes();
+            byte[] bs = new byte[length];
+            in.readBytes(bs);
+            byte[] bs2 = new byte[2 + length];
+            bs2[0] = (byte) (0x00FF & (typeCode>>8));
+            bs2[1] = (byte) (0x00FF & typeCode);
+            System.arraycopy(bs,0,bs2,2, length);
+            byte codecType = isSeataCodec? SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
+            Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codecType), ProtocolConstants.VERSION_0);
+            rpcMessage.setBody(serializer.deserialize(bs2));
+
         } catch (Exception e) {
             LOGGER.error("decode error", "", e);
             throw e;
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
index c32aa507388..8e1cfc4a599 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
@@ -17,10 +17,23 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
+import io.seata.core.compressor.Compressor;
+import io.seata.core.compressor.CompressorFactory;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.core.protocol.MessageTypeAware;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.ProtocolEncoder;
+import io.seata.core.rpc.netty.ProtocolRpcMessage;
+import io.seata.core.rpc.netty.v1.ProtocolV1RpcMessage;
+import io.seata.core.serializer.Serializer;
+import io.seata.core.serializer.SerializerServiceLoader;
+import io.seata.core.serializer.SerializerType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.nio.ByteBuffer;
+
 /**
  * <pre>
  *  seata-version < 0.7
@@ -49,13 +62,62 @@
  * @see ProtocolV0Decoder
  * @since 2.0.0
  */
-public class ProtocolV0Encoder {
+public class ProtocolV0Encoder implements ProtocolEncoder {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Encoder.class);
 
     public static void encode(ChannelHandlerContext ctx, ProtocolV0RpcMessage rpcMessage, ByteBuf out) {
         try {
             // todo 按照旧协议方式encode
+            System.out.println();
+        } catch (Throwable e) {
+            LOGGER.error("Encode request error!", e);
+        }
+    }
+
+    @Override
+    public void encode(RpcMessage message, ByteBuf out) {
+        try {
+            byte codec = message.getCodec();
+            ProtocolV0RpcMessage msg = new ProtocolV0RpcMessage();
+            msg.rpcMsg2ProtocolMsg(message);
+
+            out.writeShort(ProtocolV0Constants.MAGIC);
+            int flag = (msg.isAsync() ? ProtocolV0Constants.FLAG_ASYNC : 0)
+                    | (msg.isHeartbeat() ? ProtocolV0Constants.FLAG_HEARTBEAT : 0)
+                    | (msg.isRequest() ? ProtocolV0Constants.FLAG_REQUEST : 0)
+                    | (msg.isSeataCodec() ? ProtocolV0Constants.FLAG_SEATA_CODEC : 0);
+
+            out.writeShort((short) flag);
+
+            if (msg.getBody() instanceof HeartbeatMessage) {
+                out.writeShort((short) 0);
+                out.writeLong(msg.getId());
+                return;
+            }
+
+
+
+            byte[] bodyBytes = null;
+            Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codec), ProtocolConstants.VERSION_0);
+            bodyBytes = serializer.serialize(msg.getBody());
+
+            if(msg.isSeataCodec()){
+                if(msg.getBody() instanceof MessageTypeAware){
+                    short typeCode = ((MessageTypeAware) msg.getBody()).getTypeCode();
+                    out.writeShort(typeCode);
+                }
+            }else {
+                out.writeShort(bodyBytes.length);
+            }
+            out.writeLong(msg.getId());
+            if (bodyBytes != null) {
+                out.writeBytes(bodyBytes);
+            }
+
+            if (LOGGER.isDebugEnabled()) {
+                LOGGER.debug("Send:" + msg.getBody());
+            }
         } catch (Throwable e) {
             LOGGER.error("Encode request error!", e);
         }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
index c9c78644186..3ed60fb8167 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
@@ -50,7 +50,7 @@ public static long getNextMessageId() {
     private boolean isRequest;
     private boolean isHeartbeat;
     private Object body;
-
+    private byte messageType;
     private boolean isSeataCodec;
 
     /**
@@ -151,29 +151,58 @@ public void setSeataCodec(boolean seataCodec) {
         isSeataCodec = seataCodec;
     }
 
+    public byte getMessageType() {
+        return messageType;
+    }
+
+    public void setMessageType(byte messageType) {
+        this.messageType = messageType;
+    }
+
     @Override
-    public RpcMessage convert2RpcMsg(){
+    public RpcMessage protocolMsg2RpcMsg(){
         RpcMessage rpcMessage = new RpcMessage();
+        rpcMessage.setMessageType(this.messageType);
         // todo 基础配置
         rpcMessage.setCompressor(CompressorType.NONE.getCode());
 
-        byte codecType = isSeataCodec? SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
+        byte codecType = this.isSeataCodec? SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
         rpcMessage.setCodec(codecType);
 
-        if(isHeartbeat){
-            if(isRequest){
+        if(this.isHeartbeat){
+            if(this.isRequest){
                 rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST);
             }else {
                 rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE);
             }
         }else {
-            if(isRequest){
+            if(this.isRequest){
                 rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
             }else {
                 rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESPONSE);
             }
         }
-
+        rpcMessage.setBody(this.body);
+        rpcMessage.setId((int) this.id);
         return rpcMessage;
     }
+
+    @Override
+    public void rpcMsg2ProtocolMsg(RpcMessage rpcMessage) {
+        this.body = rpcMessage.getBody();
+        this.id = rpcMessage.getId();
+        this.isRequest = isRequest(rpcMessage.getMessageType());
+        this.isHeartbeat = isHeartbeat(rpcMessage.getMessageType());
+        this.isSeataCodec = rpcMessage.getCodec() ==SerializerType.SEATA.getCode();
+        this.messageType = rpcMessage.getMessageType();
+    }
+
+    private boolean isHeartbeat(byte msgType){
+        return msgType==ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
+                || msgType ==ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE;
+    }
+    private boolean isRequest(byte msgType){
+        return msgType==ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY
+                || msgType ==ProtocolConstants.MSGTYPE_RESQUEST_SYNC;
+    }
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
index 4b6bad758a8..08354348547 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
@@ -105,7 +105,8 @@ public ProtocolRpcMessage decodeFrame(ByteBuf frame) {
             Compressor compressor = CompressorFactory.getCompressor(compressorType);
             bs = compressor.decompress(bs);
             Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codecType),version);
-            return serializer.deserialize(bs);
+            rpcMessage.setBody(serializer.deserialize(bs));
+            return rpcMessage;
         }
 
         return rpcMessage;
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
index 95c0348c3c3..6e22ad809db 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
@@ -16,6 +16,9 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.netty.ProtocolEncoder;
+import io.seata.core.rpc.netty.ProtocolRpcMessage;
 import io.seata.core.rpc.netty.v0.ProtocolV0Encoder;
 import io.seata.core.serializer.Serializer;
 import io.seata.core.compressor.Compressor;
@@ -55,62 +58,61 @@
  * @see ProtocolV1Decoder
  * @since 0.7.0
  */
-public class ProtocolV1Encoder{
+public class ProtocolV1Encoder implements ProtocolEncoder {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Encoder.class);
 
-    public static void encode(ProtocolV1RpcMessage rpcMessage, ByteBuf out) {
+
+    public void encode(RpcMessage message, ByteBuf out) {
         try {
-            // todo 外层已经判断好，可以去掉
-//            if (msg instanceof RpcMessage) {
-//                RpcMessage rpcMessage = (RpcMessage) msg;
+            ProtocolV1RpcMessage rpcMessage = new ProtocolV1RpcMessage();
+            rpcMessage.rpcMsg2ProtocolMsg(message);
+
+            int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
+            int headLength = ProtocolConstants.V1_HEAD_LENGTH;
+
+            byte messageType = rpcMessage.getMessageType();
+            out.writeBytes(ProtocolConstants.MAGIC_CODE_BYTES);
+            out.writeByte(ProtocolConstants.VERSION_1);
+            // full Length(4B) and head length(2B) will fix in the end.
+            out.writerIndex(out.writerIndex() + 6);
+            out.writeByte(messageType);
+            out.writeByte(rpcMessage.getCodec());
+            out.writeByte(rpcMessage.getCompressor());
+            out.writeInt(rpcMessage.getId());
 
-                int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
-                int headLength = ProtocolConstants.V1_HEAD_LENGTH;
+            // direct write head with zero-copy
+            Map<String, String> headMap = rpcMessage.getHeadMap();
+            if (headMap != null && !headMap.isEmpty()) {
+                int headMapBytesLength = HeadMapSerializer.getInstance().encode(headMap, out);
+                headLength += headMapBytesLength;
+                fullLength += headMapBytesLength;
+            }
 
-                byte messageType = rpcMessage.getMessageType();
-                out.writeBytes(ProtocolConstants.MAGIC_CODE_BYTES);
-                out.writeByte(ProtocolConstants.VERSION_1);
-                // full Length(4B) and head length(2B) will fix in the end. 
-                out.writerIndex(out.writerIndex() + 6);
-                out.writeByte(messageType);
-                out.writeByte(rpcMessage.getCodec());
-                out.writeByte(rpcMessage.getCompressor());
-                out.writeInt(rpcMessage.getId());
+            byte[] bodyBytes = null;
+            if (messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
+                    && messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
+                // heartbeat has no body
+                Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()), ProtocolConstants.VERSION_1);
+                bodyBytes = serializer.serialize(rpcMessage.getBody());
+                Compressor compressor = CompressorFactory.getCompressor(rpcMessage.getCompressor());
+                bodyBytes = compressor.compress(bodyBytes);
+                fullLength += bodyBytes.length;
+            }
 
-                // direct write head with zero-copy
-                Map<String, String> headMap = rpcMessage.getHeadMap();
-                if (headMap != null && !headMap.isEmpty()) {
-                    int headMapBytesLength = HeadMapSerializer.getInstance().encode(headMap, out);
-                    headLength += headMapBytesLength;
-                    fullLength += headMapBytesLength;
-                }
+            if (bodyBytes != null) {
+                out.writeBytes(bodyBytes);
+            }
 
-                byte[] bodyBytes = null;
-                if (messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
-                        && messageType != ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
-                    // heartbeat has no body
-                    Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()), ProtocolConstants.VERSION_1);
-                    bodyBytes = serializer.serialize(rpcMessage.getBody());
-                    Compressor compressor = CompressorFactory.getCompressor(rpcMessage.getCompressor());
-                    bodyBytes = compressor.compress(bodyBytes);
-                    fullLength += bodyBytes.length;
-                }
+            // fix fullLength and headLength
+            int writeIndex = out.writerIndex();
+            // skip magic code(2B) + version(1B)
+            out.writerIndex(writeIndex - fullLength + 3);
+            out.writeInt(fullLength);
+            out.writeShort(headLength);
+            out.writerIndex(writeIndex);
 
-                if (bodyBytes != null) {
-                    out.writeBytes(bodyBytes);
-                }
 
-                // fix fullLength and headLength
-                int writeIndex = out.writerIndex();
-                // skip magic code(2B) + version(1B)
-                out.writerIndex(writeIndex - fullLength + 3);
-                out.writeInt(fullLength);
-                out.writeShort(headLength);
-                out.writerIndex(writeIndex);
-//            } else {
-//                throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
-//            }
         } catch (Throwable e) {
             LOGGER.error("Encode request error!", e);
         }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
index 47d51504908..60578e2be6c 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
@@ -16,11 +16,9 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.seata.common.util.StringUtils;
-import io.seata.core.compressor.CompressorType;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.netty.ProtocolRpcMessage;
-import io.seata.core.serializer.SerializerType;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -177,11 +175,25 @@ public String toString() {
     }
 
     @Override
-    public RpcMessage convert2RpcMsg(){
+    public RpcMessage protocolMsg2RpcMsg(){
         RpcMessage rpcMessage = new RpcMessage();
-        // todo
-
-
+        rpcMessage.setId(this.id);
+        rpcMessage.setMessageType(this.messageType);
+        rpcMessage.setCodec(this.codec);
+        rpcMessage.setCompressor(this.compressor);
+        rpcMessage.setHeadMap(this.headMap);
+        rpcMessage.setBody(this.body);
+        rpcMessage.setProtocolVersion(ProtocolConstants.VERSION_1);
         return rpcMessage;
     }
+
+    @Override
+    public void rpcMsg2ProtocolMsg(RpcMessage rpcMessage) {
+        this.body = rpcMessage.getBody();
+        this.headMap = rpcMessage.getHeadMap();
+        this.id = rpcMessage.getId();
+        this.messageType = rpcMessage.getMessageType();
+        this.codec = rpcMessage.getCodec();
+        this.compressor = rpcMessage.getCompressor();
+    }
 }
diff --git a/core/src/main/java/io/seata/core/rpc/processor/server/RegRmProcessor.java b/core/src/main/java/io/seata/core/rpc/processor/server/RegRmProcessor.java
index 1e4767387a2..03b8af68f2e 100644
--- a/core/src/main/java/io/seata/core/rpc/processor/server/RegRmProcessor.java
+++ b/core/src/main/java/io/seata/core/rpc/processor/server/RegRmProcessor.java
@@ -64,7 +64,7 @@ private void onRegRmMessage(ChannelHandlerContext ctx, RpcMessage rpcMessage) {
         String errorInfo = StringUtils.EMPTY;
         try {
             if (null == checkAuthHandler || checkAuthHandler.regResourceManagerCheckAuth(message)) {
-                ChannelManager.registerRMChannel(message, ctx.channel());
+                ChannelManager.registerRMChannel(message, ctx.channel(), rpcMessage.getProtocolVersion());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
diff --git a/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java b/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
index 75c4fb71755..985f7ac1cc4 100644
--- a/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
+++ b/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
@@ -65,7 +65,7 @@ private void onRegTmMessage(ChannelHandlerContext ctx, RpcMessage rpcMessage) {
         String errorInfo = StringUtils.EMPTY;
         try {
             if (null == checkAuthHandler || checkAuthHandler.regTransactionManagerCheckAuth(message)) {
-                ChannelManager.registerTMChannel(message, ctx.channel());
+                ChannelManager.registerTMChannel(message, ctx.channel(), rpcMessage.getProtocolVersion());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
@@ -89,8 +89,8 @@ private void onRegTmMessage(ChannelHandlerContext ctx, RpcMessage rpcMessage) {
         }
         remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), response);
         if (isSuccess && LOGGER.isInfoEnabled()) {
-            LOGGER.info("TM register success,message:{},channel:{},client version:{}", message, ctx.channel(),
-                message.getVersion());
+            LOGGER.info("TM register success,message:{},channel:{},client version:{},client protocol-version:{}"
+                    , message, ctx.channel(), message.getVersion(), rpcMessage.getProtocolVersion());
         }
     }
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
index 762692afc93..9c590ea0bf4 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
@@ -104,7 +104,7 @@ public <T> T deserialize(byte[] bytes) {
         return (T)abstractMessage;
     }
 
-    private AbstractMessage getMessageByType(short typecode) {
+    protected AbstractMessage getMessageByType(short typecode) {
         try {
             return getMessageClass(typecode).newInstance();
         } catch (InstantiationException e) {
@@ -114,7 +114,7 @@ private AbstractMessage getMessageByType(short typecode) {
         }
     }
 
-    private MessageSeataCodec getCodecByType(short typecode) {
+    protected MessageSeataCodec getCodecByType(short typecode) {
         try {
             return getCodecClass(typecode).newInstance();
         } catch (InstantiationException e) {
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
new file mode 100644
index 00000000000..6cfb8733271
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
@@ -0,0 +1,154 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.AbstractIdentifyRequest;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The type Abstract identify request codec.
+ */
+public abstract class AbstractIdentifyRequestCodec extends AbstractMessageCodec {
+
+    @Override
+    public Class<?> getMessageClassType() {
+        return AbstractIdentifyRequest.class;
+    }
+
+    /**
+     * Do encode.
+     *
+     * @param <T> the type parameter
+     * @param t   the t
+     * @param out the out
+     */
+    protected <T> void doEncode(T t, ByteBuf out) {
+        AbstractIdentifyRequest abstractIdentifyRequest = (AbstractIdentifyRequest)t;
+        String version = abstractIdentifyRequest.getVersion();
+        String applicationId = abstractIdentifyRequest.getApplicationId();
+        String transactionServiceGroup = abstractIdentifyRequest.getTransactionServiceGroup();
+        String extraData = abstractIdentifyRequest.getExtraData();
+
+        if (version != null) {
+            byte[] bs = version.getBytes(UTF8);
+            out.writeShort((short)bs.length);
+            if (bs.length > 0) {
+                out.writeBytes(bs);
+            }
+        } else {
+            out.writeShort((short)0);
+        }
+
+        if (applicationId != null) {
+            byte[] bs = applicationId.getBytes(UTF8);
+            out.writeShort((short)bs.length);
+            if (bs.length > 0) {
+                out.writeBytes(bs);
+            }
+        } else {
+            out.writeShort((short)0);
+        }
+
+        if (transactionServiceGroup != null) {
+            byte[] bs = transactionServiceGroup.getBytes(UTF8);
+            out.writeShort((short)bs.length);
+            if (bs.length > 0) {
+                out.writeBytes(bs);
+            }
+        } else {
+            out.writeShort((short)0);
+        }
+
+        if (extraData != null) {
+            byte[] bs = extraData.getBytes(UTF8);
+            out.writeShort((short)bs.length);
+            if (bs.length > 0) {
+                out.writeBytes(bs);
+            }
+        } else {
+            out.writeShort((short)0);
+        }
+
+    }
+
+    @Override
+    public <T> void encode(T t, ByteBuf out) {
+        doEncode(t, out);
+    }
+
+    @Override
+    public <T> void decode(T t, ByteBuffer in) {
+        AbstractIdentifyRequest abstractIdentifyRequest = (AbstractIdentifyRequest)t;
+
+        //version len
+        short len = 0;
+        if (in.remaining() < 2) {
+            return;
+        }
+        len = in.getShort();
+        //version
+        if (in.remaining() < len) {
+            return;
+        }
+        byte[] bs = new byte[len];
+        in.get(bs);
+        abstractIdentifyRequest.setVersion(new String(bs, UTF8));
+
+        //applicationId len
+        if (in.remaining() < 2) {
+            return;
+        }
+        len = in.getShort();
+        //applicationId
+        if (in.remaining() < len) {
+            return;
+        }
+        bs = new byte[len];
+        in.get(bs);
+        abstractIdentifyRequest.setApplicationId(new String(bs, UTF8));
+
+        //transactionServiceGroup len
+        if (in.remaining() < 2) {
+            return;
+        }
+        len = in.getShort();
+
+        //transactionServiceGroup
+        if (in.remaining() < len) {
+            return;
+        }
+        bs = new byte[len];
+        in.get(bs);
+        abstractIdentifyRequest.setTransactionServiceGroup(new String(bs, UTF8));
+
+        //ExtraData len
+        if (in.remaining() < 2) {
+            return;
+        }
+        len = in.getShort();
+
+        if (in.remaining() >= len) {
+            bs = new byte[len];
+            in.get(bs);
+            abstractIdentifyRequest.setExtraData(new String(bs, UTF8));
+        } else {
+            //maybe null
+        }
+    }
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponseCodec.java
new file mode 100644
index 00000000000..aa64e57b88f
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponseCodec.java
@@ -0,0 +1,70 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.AbstractIdentifyResponse;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The type Abstract identify response.
+ *
+ * @author sharajava
+ */
+public abstract class AbstractIdentifyResponseCodec extends AbstractResultMessageCodec {
+
+    @Override
+    public Class<?> getMessageClassType() {
+        return AbstractIdentifyResponse.class;
+    }
+
+    @Override
+    public <T> void encode(T t, ByteBuf out) {
+        AbstractIdentifyResponse abstractIdentifyResponse = (AbstractIdentifyResponse)t;
+        boolean identified = abstractIdentifyResponse.isIdentified();
+        String version = abstractIdentifyResponse.getVersion();
+
+        out.writeByte(identified ? (byte)1 : (byte)0);
+        if (version != null) {
+            byte[] bs = version.getBytes(UTF8);
+            out.writeShort((short)bs.length);
+            if (bs.length > 0) {
+                out.writeBytes(bs);
+            }
+        } else {
+            out.writeShort((short)0);
+        }
+    }
+
+    @Override
+    public <T> void decode(T t, ByteBuffer in) {
+        AbstractIdentifyResponse abstractIdentifyResponse = (AbstractIdentifyResponse)t;
+
+        abstractIdentifyResponse.setIdentified(in.get() == 1);
+        short len = in.getShort();
+        if (len <= 0) {
+            return;
+        }
+        if (in.remaining() < len) {
+            return;
+        }
+        byte[] bs = new byte[len];
+        in.get(bs);
+        abstractIdentifyResponse.setVersion(new String(bs, UTF8));
+    }
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageCodec.java
new file mode 100644
index 00000000000..68d93d95efc
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageCodec.java
@@ -0,0 +1,72 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.seata.serializer.seata.MessageSeataCodec;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * The type Abstract message codec.
+ *
+ * @author zhangsen
+ */
+public abstract class AbstractMessageCodec implements MessageSeataCodec {
+
+    /**
+     * The constant LOGGER.
+     */
+    protected static final Logger LOGGER = LoggerFactory.getLogger(AbstractMessageCodec.class);
+
+    /**
+     * The constant UTF8.
+     */
+    protected static final Charset UTF8 = StandardCharsets.UTF_8;
+
+    /**
+     * Bytes to int int.
+     *
+     * @param bytes  the bytes
+     * @param offset the offset
+     * @return the int
+     */
+    public static int bytesToInt(byte[] bytes, int offset) {
+        int ret = 0;
+        for (int i = 0; i < 4 && i + offset < bytes.length; i++) {
+            ret <<= 8;
+            ret |= (int)bytes[i + offset] & 0xFF;
+        }
+        return ret;
+    }
+
+    /**
+     * Int to bytes.
+     *
+     * @param i      the
+     * @param bytes  the bytes
+     * @param offset the offset
+     */
+    public static void intToBytes(int i, byte[] bytes, int offset) {
+        bytes[offset] = (byte)((i >> 24) & 0xFF);
+        bytes[offset + 1] = (byte)((i >> 16) & 0xFF);
+        bytes[offset + 2] = (byte)((i >> 8) & 0xFF);
+        bytes[offset + 3] = (byte)(i & 0xFF);
+    }
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageCodec.java
new file mode 100644
index 00000000000..ef36305a90e
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageCodec.java
@@ -0,0 +1,77 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.netty.buffer.ByteBuf;
+import io.seata.common.util.StringUtils;
+import io.seata.core.protocol.AbstractResultMessage;
+import io.seata.core.protocol.ResultCode;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The type Abstract result message codec.
+ *
+ * @author zhangsen
+ */
+public abstract class AbstractResultMessageCodec extends AbstractMessageCodec {
+
+    @Override
+    public Class<?> getMessageClassType() {
+        return AbstractResultMessage.class;
+    }
+
+    @Override
+    public <T> void encode(T t, ByteBuf out) {
+        AbstractResultMessage abstractResultMessage = (AbstractResultMessage)t;
+        ResultCode resultCode = abstractResultMessage.getResultCode();
+        String resultMsg = abstractResultMessage.getMsg();
+
+        out.writeByte(resultCode.ordinal());
+        if (resultCode == ResultCode.Failed) {
+            if (StringUtils.isNotEmpty(resultMsg)) {
+                String msg;
+                if (resultMsg.length() > Short.MAX_VALUE) {
+                    msg = resultMsg.substring(0, Short.MAX_VALUE);
+                } else {
+                    msg = resultMsg;
+                }
+                byte[] bs = msg.getBytes(UTF8);
+                out.writeShort((short)bs.length);
+                out.writeBytes(bs);
+            } else {
+                out.writeShort((short)0);
+            }
+        }
+    }
+
+    @Override
+    public <T> void decode(T t, ByteBuffer in) {
+        AbstractResultMessage abstractResultMessage = (AbstractResultMessage)t;
+
+        ResultCode resultCode = ResultCode.get(in.get());
+        abstractResultMessage.setResultCode(resultCode);
+        if (resultCode == ResultCode.Failed) {
+            short len = in.getShort();
+            if (len > 0) {
+                byte[] msg = new byte[len];
+                in.get(msg);
+                abstractResultMessage.setMsg(new String(msg, UTF8));
+            }
+        }
+    }
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
new file mode 100644
index 00000000000..ff2569bcf63
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
@@ -0,0 +1,33 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+
+import io.seata.core.protocol.RegisterTMRequest;
+
+/**
+ * The type Register tm request codec.
+ *
+ * @author zhangsen
+ */
+public class RegisterTMRequestCodec extends AbstractIdentifyRequestCodec {
+
+    @Override
+    public Class<?> getMessageClassType() {
+        return RegisterTMRequest.class;
+    }
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
new file mode 100644
index 00000000000..ad481ed6d3b
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
@@ -0,0 +1,34 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+
+import io.seata.core.protocol.RegisterTMResponse;
+import io.seata.serializer.seata.protocol.v1.AbstractIdentifyResponseCodec;
+
+/**
+ * The type Register tm response codec.
+ *
+ * @author zhangsen
+ */
+public class RegisterTMResponseCodec extends AbstractIdentifyResponseCodec {
+
+    @Override
+    public Class<?> getMessageClassType() {
+        return RegisterTMResponse.class;
+    }
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
index 72109429694..9c8b55357aa 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
@@ -15,125 +15,86 @@
  */
 package io.seata.serializer.seata.protocol.v0;
 
+import com.sun.tools.javac.util.Pair;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.seata.common.loader.LoadLevel;
+import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.MessageType;
-import io.seata.core.rpc.netty.v0.MessageCodecV0;
-import io.seata.core.rpc.netty.v0.SerializerV0;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RegisterTMRequest;
+import io.seata.core.protocol.RegisterTMResponse;
+import io.seata.serializer.seata.MessageSeataCodec;
+import io.seata.serializer.seata.SeataAbstractSerializer;
+
+import java.nio.ByteBuffer;
 
 /**
- * The Seata codec v0.
+ * The Seata codec v1.
  *
  * @author Bughue
  */
-public class SeataV0Serializer implements SerializerV0 {
+@LoadLevel(name = "SEATA", version = ProtocolConstants.VERSION_0)
+public class SeataV0Serializer extends SeataAbstractSerializer {
 
     public SeataV0Serializer() {
+        classMap.put(MessageType.TYPE_REG_CLT, new Pair<>(RegisterTMRequestCodec.class, RegisterTMRequest.class));
+        classMap.put(MessageType.TYPE_REG_CLT_RESULT, new Pair<>(RegisterTMResponseCodec.class, RegisterTMResponse.class));
+//        classMap.put(MessageType.TYPE_REG_RM, new Pair<>(RegisterRMRequestCodec.class, RegisterRMRequest.class));
+//        classMap.put(MessageType.TYPE_REG_RM_RESULT, new Pair<>(RegisterRMResponseCodec.class, RegisterRMResponse.class));
 
     }
 
-
     @Override
-    public MessageCodecV0 getMsgInstanceByCode(short typeCode) {
-        MessageCodecV0 msgCodec = null;
-        switch (typeCode) {
-//            case MessageType.TYPE_SEATA_MERGE:
-//                msgCodec = new MergedWarpMessage();
-//                break;
-//            case MessageType.TYPE_SEATA_MERGE_RESULT:
-//                msgCodec = new MergeResultMessage();
-//                break;
-            case MessageType.TYPE_REG_CLT:
-                msgCodec = new RegisterTMRequest();
-                break;
-            case MessageType.TYPE_REG_CLT_RESULT:
-                msgCodec = new RegisterTMResponse();
-                break;
-            case MessageType.TYPE_REG_RM:
-                msgCodec = new RegisterRMRequest();
-                break;
-            case MessageType.TYPE_REG_RM_RESULT:
-                msgCodec = new RegisterRMResponse();
-                break;
-//            case MessageType.TYPE_BRANCH_COMMIT:
-//                msgCodec = new BranchCommitRequest();
-//                break;
-//            case MessageType.TYPE_BRANCH_ROLLBACK:
-//                msgCodec = new BranchRollbackRequest();
-//                break;
-            default:
-                break;
+    public <T> byte[] serialize(T t) {
+        if (t == null || !(t instanceof AbstractMessage)) {
+            throw new IllegalArgumentException("AbstractMessage isn't available.");
         }
+        AbstractMessage abstractMessage = (AbstractMessage)t;
+        //typecode
+        short typecode = abstractMessage.getTypeCode();
+        //msg codec
+        MessageSeataCodec messageCodec = getCodecByType(typecode);
+        //get empty ByteBuffer
+        ByteBuf out = Unpooled.buffer(1024);
+        //msg encode
+        messageCodec.encode(t, out);
+        byte[] body = new byte[out.readableBytes()];
+        out.readBytes(body);
 
-        if (null != msgCodec) {
-            return msgCodec;
-        }
+        //typecode + body
+        ByteBuffer byteBuffer = ByteBuffer.allocate(body.length);
+        byteBuffer.put(body);
 
-        try {
-            msgCodec = (MessageCodecV0) getMergeRequestInstanceByCode(typeCode);
-        } catch (Exception exx) {
+        byteBuffer.flip();
+        byte[] content = new byte[byteBuffer.limit()];
+        byteBuffer.get(content);
+        return content;
+    }
 
+    @Override
+    public <T> T deserialize(byte[] bytes) {
+        if (bytes == null || bytes.length == 0) {
+            throw new IllegalArgumentException("Nothing to decode.");
         }
-        if (null != msgCodec) {
-            return msgCodec;
+        if (bytes.length < 2) {
+            throw new IllegalArgumentException("The byte[] isn't available for decode.");
         }
-
-        return (MessageCodecV0)getMergeResponseInstanceByCode(typeCode);
+        ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
+        //typecode
+        short typecode = byteBuffer.getShort();
+        //msg body
+        byte[] body = new byte[byteBuffer.remaining()];
+        byteBuffer.get(body);
+        ByteBuffer in = ByteBuffer.wrap(body);
+        //new Messgae
+        AbstractMessage abstractMessage = getMessageByType(typecode);
+        //get messageCodec
+        MessageSeataCodec messageCodec = getCodecByType(typecode);
+        //decode
+        messageCodec.decode(abstractMessage, in);
+        return (T)abstractMessage;
     }
 
-    /**
-     * Gets merge request instance by code.
-     *
-     * @param typeCode the type code
-     * @return the merge request instance by code
-     */
-    public static MergedMessageV0 getMergeRequestInstanceByCode(int typeCode) {
-        switch (typeCode) {
-//            case MessageType.TYPE_GLOBAL_BEGIN:
-//                return new GlobalBeginRequest();
-//            case MessageType.TYPE_GLOBAL_COMMIT:
-//                return new GlobalCommitRequest();
-//            case MessageType.TYPE_GLOBAL_ROLLBACK:
-//                return new GlobalRollbackRequest();
-//            case MessageType.TYPE_GLOBAL_STATUS:
-//                return new GlobalStatusRequest();
-//            case MessageType.TYPE_GLOBAL_LOCK_QUERY:
-//                return new GlobalLockQueryRequest();
-//            case MessageType.TYPE_BRANCH_REGISTER:
-//                return new BranchRegisterRequest();
-//            case MessageType.TYPE_BRANCH_STATUS_REPORT:
-//                return new BranchReportRequest();
-            default:
-                throw new IllegalArgumentException("not support typeCode," + typeCode);
-        }
-    }
 
-    /**
-     * Gets merge response instance by code.
-     *
-     * @param typeCode the type code
-     * @return the merge response instance by code
-     */
-    public static MergedMessageV0 getMergeResponseInstanceByCode(int typeCode) {
-        switch (typeCode) {
-//            case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
-//                return new GlobalBeginResponse();
-//            case MessageType.TYPE_GLOBAL_COMMIT_RESULT:
-//                return new GlobalCommitResponse();
-//            case MessageType.TYPE_GLOBAL_ROLLBACK_RESULT:
-//                return new GlobalRollbackResponse();
-//            case MessageType.TYPE_GLOBAL_STATUS_RESULT:
-//                return new GlobalStatusResponse();
-//            case MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT:
-//                return new GlobalLockQueryResponse();
-//            case MessageType.TYPE_BRANCH_REGISTER_RESULT:
-//                return new BranchRegisterResponse();
-//            case MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT:
-//                return new BranchReportResponse();
-//            case MessageType.TYPE_BRANCH_COMMIT_RESULT:
-//                return new BranchCommitResponse();
-//            case MessageType.TYPE_BRANCH_ROLLBACK_RESULT:
-//                return new BranchRollbackResponse();
-            default:
-                throw new IllegalArgumentException("not support typeCode," + typeCode);
-        }
-    }
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequest.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyRequestV0.java
similarity index 78%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequest.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyRequestV0.java
index ccb27bfd8b7..8865cdb58a3 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequest.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyRequestV0.java
@@ -13,9 +13,10 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.AbstractIdentifyRequest;
 import io.seata.core.protocol.Version;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -27,9 +28,9 @@
  *
  * @author sharajava
  */
-public abstract class AbstractIdentifyRequest extends AbstractMessageV0 {
+public abstract class AbstractIdentifyRequestV0 extends AbstractMessageV0<AbstractIdentifyRequest> {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractIdentifyRequest.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractIdentifyRequestV0.class);
 
     /**
      * The Version.
@@ -57,7 +58,7 @@ public abstract class AbstractIdentifyRequest extends AbstractMessageV0 {
      * @param applicationId           the application id
      * @param transactionServiceGroup the transaction service group
      */
-    public AbstractIdentifyRequest(String applicationId, String transactionServiceGroup) {
+    public AbstractIdentifyRequestV0(String applicationId, String transactionServiceGroup) {
         this.applicationId = applicationId;
         this.transactionServiceGroup = transactionServiceGroup;
     }
@@ -69,7 +70,7 @@ public AbstractIdentifyRequest(String applicationId, String transactionServiceGr
      * @param transactionServiceGroup the transaction service group
      * @param extraData               the extra data
      */
-    public AbstractIdentifyRequest(String applicationId, String transactionServiceGroup, String extraData) {
+    public AbstractIdentifyRequestV0(String applicationId, String transactionServiceGroup, String extraData) {
         this.applicationId = applicationId;
         this.transactionServiceGroup = transactionServiceGroup;
         this.extraData = extraData;
@@ -213,7 +214,7 @@ public final byte[] encode() {
         return flushEncode();
     }
 
-    @Override
+//    @Override
     public boolean decode(ByteBuf in) {
 
         short len;
@@ -268,4 +269,61 @@ public boolean decode(ByteBuf in) {
 
         return true;
     }
+
+    @Override
+    public boolean decode(ByteBuf in,AbstractIdentifyRequest req) {
+
+
+        short len;
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() < len) {
+            return false;
+        }
+        byte[] bs = new byte[len];
+        in.readBytes(bs);
+        req.setVersion(new String(bs, UTF8));
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() < len) {
+            return false;
+        }
+        bs = new byte[len];
+        in.readBytes(bs);
+        req.setApplicationId(new String(bs, UTF8));
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() < len) {
+            return false;
+        }
+        bs = new byte[len];
+        in.readBytes(bs);
+        req.setTransactionServiceGroup(new String(bs, UTF8));
+
+        if (in.readableBytes() < 2) {
+            return false;
+        }
+        len = in.readShort();
+
+        if (in.readableBytes() >= len) {
+            bs = new byte[len];
+            in.readBytes(bs);
+            req.setExtraData(new String(bs, UTF8));
+        } else {
+            //maybe null
+        }
+
+        return true;
+    }
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponse.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyResponseV0.java
similarity index 96%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponse.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyResponseV0.java
index 2021906967f..e90a3f6bac6 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponse.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyResponseV0.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 import io.netty.buffer.ByteBuf;
 import io.seata.core.protocol.Version;
@@ -23,7 +23,7 @@
  *
  * @author sharajava
  */
-public abstract class AbstractIdentifyResponse extends AbstractResultMessageV0 {
+public abstract class AbstractIdentifyResponseV0 extends AbstractResultMessageV0 {
 
     protected String version = Version.getCurrent();
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractMessageV0.java
similarity index 88%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageV0.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractMessageV0.java
index f8e95691539..4d4d9627140 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageV0.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractMessageV0.java
@@ -13,11 +13,13 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
 import io.seata.common.Constants;
+import io.seata.core.protocol.AbstractIdentifyRequest;
+import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.rpc.netty.v0.MessageCodecV0;
 
 import java.io.Serializable;
@@ -29,7 +31,7 @@
  * @author jimin.jm @alibaba-inc.com
  * @date 2018 /9/14
  */
-public abstract class AbstractMessageV0 implements MessageCodecV0, Serializable {
+public abstract class AbstractMessageV0<T> implements MessageCodecV0<T>, Serializable {
     private static final long serialVersionUID = -1441020418526899889L;
 
     /**
@@ -72,7 +74,7 @@ public static void intToBytes(int i, byte[] bytes, int offset) {
     }
 
     @Override
-    public boolean decode(ByteBuf in) {
+    public boolean decode(ByteBuf in, T req){
         return false;
     }
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractResultMessageV0.java
similarity index 91%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageV0.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractResultMessageV0.java
index aeed3c6b15c..04b5a46af97 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageV0.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractResultMessageV0.java
@@ -13,10 +13,10 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.ResultCode;
 
 import java.nio.ByteBuffer;
@@ -27,7 +27,7 @@
  * @author jimin.jm @alibaba-inc.com
  * @date 2018 /9/14
  */
-public abstract class AbstractResultMessageV0 extends AbstractMessageV0 implements MergedMessageV0 {
+public abstract class AbstractResultMessageV0 extends AbstractMessageV0<AbstractResultMessage> implements MergedMessageV0 {
     private static final long serialVersionUID = 6540352050650203313L;
 
     private ResultCode resultCode;
@@ -131,11 +131,11 @@ public void decode(ByteBuffer byteBuffer) {
     }
 
     @Override
-    public boolean decode(ByteBuf in) {
+    public boolean decode(ByteBuf in,AbstractResultMessage resultMessage) {
         if (in.readableBytes() < 1) {
             return false;
         }
-        setResultCode(ResultCode.get(in.readByte()));
+        resultMessage.setResultCode(ResultCode.get(in.readByte()));
         if (resultCode == ResultCode.Failed) {
             if (in.readableBytes() < 2) {
                 return false;
@@ -147,7 +147,7 @@ public boolean decode(ByteBuf in) {
             if (len > 0) {
                 byte[] msg = new byte[len];
                 in.readBytes(msg);
-                this.setMsg(new String(msg, UTF8));
+                resultMessage.setMsg(new String(msg, UTF8));
             }
         }
         return true;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/MergedMessageV0.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedMessageV0.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/MergedMessageV0.java
index 04e8913d9c8..1938b8dc27f 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedMessageV0.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/MergedMessageV0.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMRequest.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMRequestV0.java
similarity index 94%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMRequest.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMRequestV0.java
index 7e61d460ae2..632fbbb7021 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMRequest.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMRequestV0.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 import io.netty.buffer.ByteBuf;
 
@@ -27,7 +27,7 @@
  * @author jimin.jm @alibaba-inc.com
  * @date 2018 /10/10
  */
-public class RegisterRMRequest extends AbstractIdentifyRequest implements Serializable {
+public class RegisterRMRequestV0 extends AbstractIdentifyRequestV0 implements Serializable {
     private static final long serialVersionUID = 7539732523682335742L;
 
     private String resourceIds;
@@ -35,7 +35,7 @@ public class RegisterRMRequest extends AbstractIdentifyRequest implements Serial
     /**
      * Instantiates a new Register rm request.
      */
-    public RegisterRMRequest() {
+    public RegisterRMRequestV0() {
         this(null, null);
     }
 
@@ -45,7 +45,7 @@ public RegisterRMRequest() {
      * @param applicationId           the application id
      * @param transactionServiceGroup the transaction service group
      */
-    public RegisterRMRequest(String applicationId, String transactionServiceGroup) {
+    public RegisterRMRequestV0(String applicationId, String transactionServiceGroup) {
         super(applicationId, transactionServiceGroup);
     }
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMResponse.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMResponseV0.java
similarity index 84%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMResponse.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMResponseV0.java
index 7375bf5e720..15b02401315 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterRMResponse.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMResponseV0.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 
 import io.seata.core.protocol.MessageType;
@@ -26,13 +26,13 @@
  * @author jimin.jm @alibaba-inc.com
  * @date 2018 /10/10
  */
-public class RegisterRMResponse extends AbstractIdentifyResponse implements Serializable {
+public class RegisterRMResponseV0 extends AbstractIdentifyResponseV0 implements Serializable {
     private static final long serialVersionUID = 6391375605848221420L;
 
     /**
      * Instantiates a new Register rm response.
      */
-    public RegisterRMResponse() {
+    public RegisterRMResponseV0() {
         this(true);
     }
 
@@ -41,7 +41,7 @@ public RegisterRMResponse() {
      *
      * @param result the result
      */
-    public RegisterRMResponse(boolean result) {
+    public RegisterRMResponseV0(boolean result) {
         super();
         setIdentified(result);
     }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequest.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMRequestV0.java
similarity index 83%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequest.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMRequestV0.java
index 2b1a70c8497..d2e2bfa0c5c 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequest.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMRequestV0.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 
 import io.seata.core.protocol.MessageType;
@@ -26,13 +26,13 @@
  * @author jimin.jm @alibaba-inc.com
  * @date 2018 /10/15
  */
-public class RegisterTMRequest extends AbstractIdentifyRequest implements Serializable {
+public class RegisterTMRequestV0 extends AbstractIdentifyRequestV0 implements Serializable {
     private static final long serialVersionUID = -5929081344190543690L;
 
     /**
      * Instantiates a new Register tm request.
      */
-    public RegisterTMRequest() {
+    public RegisterTMRequestV0() {
         this(null, null);
     }
 
@@ -43,7 +43,7 @@ public RegisterTMRequest() {
      * @param transactionServiceGroup the transaction service group
      * @param extraData               the extra data
      */
-    public RegisterTMRequest(String applicationId, String transactionServiceGroup, String extraData) {
+    public RegisterTMRequestV0(String applicationId, String transactionServiceGroup, String extraData) {
         super(applicationId, transactionServiceGroup, extraData);
 
     }
@@ -54,7 +54,7 @@ public RegisterTMRequest(String applicationId, String transactionServiceGroup, S
      * @param applicationId           the application id
      * @param transactionServiceGroup the transaction service group
      */
-    public RegisterTMRequest(String applicationId, String transactionServiceGroup) {
+    public RegisterTMRequestV0(String applicationId, String transactionServiceGroup) {
         super(applicationId, transactionServiceGroup);
     }
 
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponse.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMResponseV0.java
similarity index 84%
rename from serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponse.java
rename to serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMResponseV0.java
index 4db675e596a..89196224514 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponse.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMResponseV0.java
@@ -13,7 +13,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.serializer.seata.protocol.v0;
+package io.seata.serializer.seata.protocol.v0_1;
 
 
 import io.seata.core.protocol.MessageType;
@@ -26,13 +26,13 @@
  * @author jimin.jm @alibaba-inc.com
  * @date 2018 /10/15
  */
-public class RegisterTMResponse extends AbstractIdentifyResponse implements Serializable {
+public class RegisterTMResponseV0 extends AbstractIdentifyResponseV0 implements Serializable {
     private static final long serialVersionUID = 3629846050062228749L;
 
     /**
      * Instantiates a new Register tm response.
      */
-    public RegisterTMResponse() {
+    public RegisterTMResponseV0() {
         this(true);
     }
 
@@ -41,7 +41,7 @@ public RegisterTMResponse() {
      *
      * @param result the result
      */
-    public RegisterTMResponse(boolean result) {
+    public RegisterTMResponseV0(boolean result) {
         super();
         setIdentified(result);
     }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/SeataV0Serializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/SeataV0Serializer.java
new file mode 100644
index 00000000000..ed35f987b1b
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/SeataV0Serializer.java
@@ -0,0 +1,139 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0_1;
+
+import io.seata.core.protocol.MessageType;
+import io.seata.core.rpc.netty.v0.MessageCodecV0;
+import io.seata.core.rpc.netty.v0.SerializerV0;
+
+/**
+ * The Seata codec v0.
+ *
+ * @author Bughue
+ */
+public class SeataV0Serializer implements SerializerV0 {
+
+    public SeataV0Serializer() {
+
+    }
+
+
+    @Override
+    public MessageCodecV0 getMsgInstanceByCode(short typeCode) {
+        MessageCodecV0 msgCodec = null;
+        switch (typeCode) {
+//            case MessageType.TYPE_SEATA_MERGE:
+//                msgCodec = new MergedWarpMessage();
+//                break;
+//            case MessageType.TYPE_SEATA_MERGE_RESULT:
+//                msgCodec = new MergeResultMessage();
+//                break;
+            case MessageType.TYPE_REG_CLT:
+                msgCodec = new RegisterTMRequestV0();
+                break;
+            case MessageType.TYPE_REG_CLT_RESULT:
+                msgCodec = new RegisterTMResponseV0();
+                break;
+            case MessageType.TYPE_REG_RM:
+                msgCodec = new RegisterRMRequestV0();
+                break;
+            case MessageType.TYPE_REG_RM_RESULT:
+                msgCodec = new RegisterRMResponseV0();
+                break;
+//            case MessageType.TYPE_BRANCH_COMMIT:
+//                msgCodec = new BranchCommitRequest();
+//                break;
+//            case MessageType.TYPE_BRANCH_ROLLBACK:
+//                msgCodec = new BranchRollbackRequest();
+//                break;
+            default:
+                break;
+        }
+
+        if (null != msgCodec) {
+            return msgCodec;
+        }
+
+        try {
+            msgCodec = (MessageCodecV0) getMergeRequestInstanceByCode(typeCode);
+        } catch (Exception exx) {
+
+        }
+        if (null != msgCodec) {
+            return msgCodec;
+        }
+
+        return (MessageCodecV0)getMergeResponseInstanceByCode(typeCode);
+    }
+
+    /**
+     * Gets merge request instance by code.
+     *
+     * @param typeCode the type code
+     * @return the merge request instance by code
+     */
+    public static MergedMessageV0 getMergeRequestInstanceByCode(int typeCode) {
+        switch (typeCode) {
+//            case MessageType.TYPE_GLOBAL_BEGIN:
+//                return new GlobalBeginRequest();
+//            case MessageType.TYPE_GLOBAL_COMMIT:
+//                return new GlobalCommitRequest();
+//            case MessageType.TYPE_GLOBAL_ROLLBACK:
+//                return new GlobalRollbackRequest();
+//            case MessageType.TYPE_GLOBAL_STATUS:
+//                return new GlobalStatusRequest();
+//            case MessageType.TYPE_GLOBAL_LOCK_QUERY:
+//                return new GlobalLockQueryRequest();
+//            case MessageType.TYPE_BRANCH_REGISTER:
+//                return new BranchRegisterRequest();
+//            case MessageType.TYPE_BRANCH_STATUS_REPORT:
+//                return new BranchReportRequest();
+            default:
+                throw new IllegalArgumentException("not support typeCode," + typeCode);
+        }
+    }
+
+    /**
+     * Gets merge response instance by code.
+     *
+     * @param typeCode the type code
+     * @return the merge response instance by code
+     */
+    public static MergedMessageV0 getMergeResponseInstanceByCode(int typeCode) {
+        switch (typeCode) {
+//            case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
+//                return new GlobalBeginResponse();
+//            case MessageType.TYPE_GLOBAL_COMMIT_RESULT:
+//                return new GlobalCommitResponse();
+//            case MessageType.TYPE_GLOBAL_ROLLBACK_RESULT:
+//                return new GlobalRollbackResponse();
+//            case MessageType.TYPE_GLOBAL_STATUS_RESULT:
+//                return new GlobalStatusResponse();
+//            case MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT:
+//                return new GlobalLockQueryResponse();
+//            case MessageType.TYPE_BRANCH_REGISTER_RESULT:
+//                return new BranchRegisterResponse();
+//            case MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT:
+//                return new BranchReportResponse();
+//            case MessageType.TYPE_BRANCH_COMMIT_RESULT:
+//                return new BranchCommitResponse();
+//            case MessageType.TYPE_BRANCH_ROLLBACK_RESULT:
+//                return new BranchRollbackResponse();
+            default:
+                throw new IllegalArgumentException("not support typeCode," + typeCode);
+        }
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.rpc.netty.v0.SerializerV0 b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.rpc.netty.v0.SerializerV0
new file mode 100644
index 00000000000..07bab05d194
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.rpc.netty.v0.SerializerV0
@@ -0,0 +1 @@
+io.seata.serializer.seata.protocol.v0_1.SeataV0Serializer
\ No newline at end of file
diff --git a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
index e127901cc83..d448c8d46fb 100644
--- a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
+++ b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
@@ -1,2 +1,2 @@
 io.seata.serializer.seata.protocol.v1.SeataV1Serializer
-io.seata.serializer.seata.protocol.v0.SeataV0Serializer
\ No newline at end of file
+io.seata.serializer.seata.protocol.v0.SeataV0Serializer
diff --git a/test/src/test/java/io/seata/core/rpc/netty/TmNettyClientTest.java b/test/src/test/java/io/seata/core/rpc/netty/TmNettyClientTest.java
index a2ac66f3a2f..c6daf3a2d86 100644
--- a/test/src/test/java/io/seata/core/rpc/netty/TmNettyClientTest.java
+++ b/test/src/test/java/io/seata/core/rpc/netty/TmNettyClientTest.java
@@ -80,6 +80,44 @@ public void testDoConnect() throws Exception {
         tmNettyRemotingClient.destroy();
     }
 
+
+    @Test
+    public void testDoConnectOnlyServer() throws Exception {
+        ThreadPoolExecutor workingThreads = initMessageExecutor();
+        NettyRemotingServer nettyRemotingServer = new NettyRemotingServer(workingThreads);
+        //start services server first
+        Thread thread = new Thread(() -> {
+            nettyRemotingServer.setHandler(DefaultCoordinator.getInstance(nettyRemotingServer));
+            // set registry
+            XID.setIpAddress(NetUtil.getLocalIp());
+            XID.setPort(8091);
+            // init snowflake for transactionId, branchId
+            UUIDGenerator.init(1L);
+            System.out.println("pid info: "+ ManagementFactory.getRuntimeMXBean().getName());
+            nettyRemotingServer.init();
+        });
+        thread.start();
+
+        //then test client
+        Thread.sleep(3000000);
+
+
+    }
+
+    @Test
+    public void testDoConnectOnlyClient() throws Exception {
+
+        String applicationId = "app 1";
+        String transactionServiceGroup = "group A";
+        TmNettyRemotingClient tmNettyRemotingClient = TmNettyRemotingClient.getInstance(applicationId, transactionServiceGroup);
+
+        tmNettyRemotingClient.init();
+        String serverAddress = "0.0.0.0:8091";
+        Channel channel = TmNettyRemotingClient.getInstance().getClientChannelManager().acquireChannel(serverAddress);
+        Assertions.assertNotNull(channel);
+        tmNettyRemotingClient.destroy();
+    }
+
     /**
      * Client rely on server's starting first
      *

From e85501f2f8f7f57c4b2493c723e9ef7464f7528a Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 21 Aug 2023 17:42:14 +0800
Subject: [PATCH 07/22] protocol

---
 .../core/rpc/netty/v1/ProtocolV1Decoder.java  | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
index 08354348547..8e2db58f3f3 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
@@ -94,19 +94,20 @@ public ProtocolRpcMessage decodeFrame(ByteBuf frame) {
         }
 
         // read body
-        int bodyLength = fullLength - headLength;
         if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST) {
             rpcMessage.setBody(HeartbeatMessage.PING);
         } else if (messageType == ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE) {
             rpcMessage.setBody(HeartbeatMessage.PONG);
-        } else if (bodyLength > 0) {
-            byte[] bs = new byte[bodyLength];
-            frame.readBytes(bs);
-            Compressor compressor = CompressorFactory.getCompressor(compressorType);
-            bs = compressor.decompress(bs);
-            Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codecType),version);
-            rpcMessage.setBody(serializer.deserialize(bs));
-            return rpcMessage;
+        } else {
+            int bodyLength = fullLength - headLength;
+            if (bodyLength > 0) {
+                byte[] bs = new byte[bodyLength];
+                frame.readBytes(bs);
+                Compressor compressor = CompressorFactory.getCompressor(compressorType);
+                bs = compressor.decompress(bs);
+                Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()), version);
+                rpcMessage.setBody(serializer.deserialize(bs));
+            }
         }
 
         return rpcMessage;

From 900428f697d13d8e74f0661db0e09a5cef4e0543 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 21 Aug 2023 17:45:34 +0800
Subject: [PATCH 08/22] protocol

---
 .../main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
index 6e22ad809db..383b5d106ab 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
@@ -60,7 +60,7 @@
  */
 public class ProtocolV1Encoder implements ProtocolEncoder {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Encoder.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV1Encoder.class);
 
 
     public void encode(RpcMessage message, ByteBuf out) {

From 45fc67ec90663102de62970d11ccfe39d24036a4 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 21 Aug 2023 17:47:24 +0800
Subject: [PATCH 09/22] protocol

---
 .../main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
index 383b5d106ab..842c5210143 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
@@ -65,6 +65,8 @@ public class ProtocolV1Encoder implements ProtocolEncoder {
 
     public void encode(RpcMessage message, ByteBuf out) {
         try {
+//            if (msg instanceof RpcMessage) {
+
             ProtocolV1RpcMessage rpcMessage = new ProtocolV1RpcMessage();
             rpcMessage.rpcMsg2ProtocolMsg(message);
 

From 74382e5082fd132419e4dfed86581b3a97da2dbe Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 21 Aug 2023 17:48:12 +0800
Subject: [PATCH 10/22] protocol

---
 .../main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
index 842c5210143..644ecec4057 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
@@ -65,11 +65,11 @@ public class ProtocolV1Encoder implements ProtocolEncoder {
 
     public void encode(RpcMessage message, ByteBuf out) {
         try {
-//            if (msg instanceof RpcMessage) {
 
             ProtocolV1RpcMessage rpcMessage = new ProtocolV1RpcMessage();
             rpcMessage.rpcMsg2ProtocolMsg(message);
 
+//            if (msg instanceof RpcMessage) {
             int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
             int headLength = ProtocolConstants.V1_HEAD_LENGTH;
 

From 6cffd4a5d34d0d6f45882bea3881201ae0feb8fb Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 28 Aug 2023 16:56:37 +0800
Subject: [PATCH 11/22] protocol

---
 .../common/loader/EnhancedServiceLoader.java  |  1 +
 .../common/loader/ExtensionDefinition.java    |  4 ++--
 .../io/seata/common/loader/LoadLevel.java     |  1 +
 .../netty/AbstractNettyRemotingClient.java    |  2 +-
 .../netty/AbstractNettyRemotingServer.java    |  9 +++------
 .../rpc/netty/CompatibleProtocolDecoder.java  |  8 ++++----
 .../rpc/netty/CompatibleProtocolEncoder.java  |  6 +-----
 .../seata/core/rpc/netty/ProtocolDecoder.java |  7 ++++++-
 .../seata/core/rpc/netty/ProtocolEncoder.java |  6 ++++++
 .../core/rpc/netty/ProtocolRpcMessage.java    | 15 +++++++++++++++
 .../core/rpc/netty/TmNettyRemotingClient.java |  3 +--
 .../rpc/netty/v0/ProtocolV0Constants.java     |  2 +-
 .../core/rpc/netty/v0/ProtocolV0Decoder.java  | 19 ++++++++++---------
 .../core/rpc/netty/v0/ProtocolV0Encoder.java  | 15 ---------------
 .../rpc/netty/v0/ProtocolV0RpcMessage.java    |  7 ++-----
 .../core/rpc/netty/v1/ProtocolV1Decoder.java  |  1 -
 .../core/rpc/netty/v1/ProtocolV1Encoder.java  |  5 +----
 .../rpc/netty/v1/ProtocolV1RpcMessage.java    |  2 +-
 .../serializer/SerializerServiceLoader.java   |  2 +-
 .../serializer/seata/MessageCodecFactory.java |  2 +-
 .../v0/AbstractIdentifyRequestCodec.java      |  2 ++
 .../protocol/v0/RegisterTMRequestCodec.java   |  1 -
 .../protocol/v0/RegisterTMResponseCodec.java  |  2 --
 .../seata/protocol/v0/SeataV0Serializer.java  |  2 +-
 .../v1/AbstractIdentifyRequestCodec.java      |  3 ++-
 25 files changed, 63 insertions(+), 64 deletions(-)

diff --git a/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java b/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
index c8e4f9e04c3..74863a6c490 100644
--- a/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
+++ b/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
@@ -638,6 +638,7 @@ private ExtensionDefinition<S> getCachedExtensionDefinition(String activateName,
                     return first.get();
                 }
             }
+            // todo [5738-discuss][class-loader] 实在找不到的话还要随便找个版本吗？这样不太严谨？
             return CollectionUtils.getLast(definitions);
         }
 
diff --git a/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java b/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
index 2a6c4fe0394..ef27aa74d95 100644
--- a/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
+++ b/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
@@ -47,10 +47,10 @@ public Scope getScope() {
     }
 
     public ExtensionDefinition(String name, Integer order, Scope scope, Class<S> clazz) {
-        this(name,order,scope,clazz,0);
+        this(name,order,scope,clazz,-1);
     }
 
-    public ExtensionDefinition(String name, Integer order, Scope scope, Class<S> clazz,int version) {
+    public ExtensionDefinition(String name, Integer order, Scope scope, Class<S> clazz, int version) {
         this.name = name;
         this.order = order;
         this.version = version;
diff --git a/common/src/main/java/io/seata/common/loader/LoadLevel.java b/common/src/main/java/io/seata/common/loader/LoadLevel.java
index cdc08eed059..086d65a10b5 100644
--- a/common/src/main/java/io/seata/common/loader/LoadLevel.java
+++ b/common/src/main/java/io/seata/common/loader/LoadLevel.java
@@ -49,6 +49,7 @@
      *
      * @return the int
      */
+    // todo [5738-discuss][class-loader] 由于0也是个版本，所以现在默认是-1
     byte version() default -1;
 
     /**
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
index 3c638bf12e3..6d6fc503e78 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
@@ -421,7 +421,7 @@ public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exce
             if (rpcMessage != null) {
                 processMessage(ctx, rpcMessage);
             } else {
-                //todo 会有这种情况吗？？【特殊】
+                // todo [5738-discuss][类型] 会有这种情况吗？？按之前的就是不处理？
                 //打日志？
             }
         }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
index f8509e5ae31..435d713d5dc 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
@@ -74,15 +74,15 @@ public Object sendSyncRequest(String resourceId, String clientId, Object msg, bo
     }
 
     private void superSendAsync(Channel channel, RpcMessage rpcMessage) {
-        //todo 优化，是否为空
         RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
+        // todo [5738-discuss][兼容] ，目前看到用这个方法的地方都没有做空判断
         rpcMessage.setProtocolVersion(rpcContext.getProtocolVersion());
         super.sendAsync(channel, rpcMessage);
     }
 
     private Object superSendSync(Channel channel, RpcMessage rpcMessage) throws TimeoutException {
-        //todo 优化，是否为空
         RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
+        // todo [5738-discuss][兼容] ，目前看到用这个方法的地方都没有做空判断
         rpcMessage.setProtocolVersion(rpcContext.getProtocolVersion());
         return super.sendSync(channel, rpcMessage, NettyServerConfig.getRpcRequestTimeout());
     }
@@ -105,8 +105,6 @@ public void sendAsyncRequest(Channel channel, Object msg) {
         superSendAsync(channel, rpcMessage);
     }
 
-
-
     @Override
     public void sendAsyncResponse(RpcMessage rpcMessage, Channel channel, Object msg) {
         Channel clientChannel = channel;
@@ -186,11 +184,10 @@ public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exce
             if (rpcMessage != null) {
                 processMessage(ctx, rpcMessage);
             } else {
-                //todo 正常会有这种情况吗？打日志还是抛异常？
+                // todo [5738-discuss][兼容] 正常会有这种情况吗？打日志还是抛异常？
             }
         }
 
-
         @Override
         public void channelWritabilityChanged(ChannelHandlerContext ctx) {
             synchronized (lock) {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
index e8528a24ba0..61d70127986 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
@@ -87,6 +87,7 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
         byte version;
         try {
             if (isV0(in)) {
+                // todo [5738-discuss][decode] 旧版本连super都不会走，会不会有其他问题？
                 decoded = in;
                 version = ProtocolConstants.VERSION_0;
             } else {
@@ -99,7 +100,7 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
                 try {
                     ProtocolDecoder decoder = protocolDecoderMap.get(version);
                     if (decoder == null) {
-                        // todo 要不要适配当前版本？
+                        // todo [5738-discuss][兼容] 要不要适配当前版本？
                         throw new IllegalArgumentException("Unknown version: " + version);
                     }
                     return decoder.decodeFrame(frame);
@@ -111,8 +112,7 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
             }
         } catch (Exception exx) {
             LOGGER.error("Decode frame error, cause: {}", exx.getMessage());
-            //todo
-            exx.printStackTrace();
+            // todo [5738-discuss][优化] 这里抛出去之后似乎没有地方打印了？
             throw new DecodeException(exx);
         }
         return decoded;
@@ -133,7 +133,7 @@ protected byte decideVersion(Object in) {
             frame.resetReaderIndex();
             return version;
         }
-        // todo
+        // todo [5738-discuss][兼容] 类型不一致的情况要允许吗？
         return -1;
     }
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
index 20c637730bf..4f318090381 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
@@ -21,11 +21,8 @@
 import io.netty.handler.codec.MessageToByteEncoder;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.netty.v0.ProtocolV0Decoder;
 import io.seata.core.rpc.netty.v0.ProtocolV0Encoder;
-import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
 import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
-import io.seata.core.rpc.netty.v1.ProtocolV1RpcMessage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -66,12 +63,11 @@ public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
                 byte version = rpcMessage.getProtocolVersion();
                 ProtocolEncoder encoder = protocolEncoderMap.get(version);
                 if (encoder == null) {
-                    // todo 要不要适配当前版本？
+                    // todo [5738-discuss][encode] 要不要适配当前版本？
                     throw new IllegalArgumentException("Unknown version: " + version);
                 }
 
                 encoder.encode(rpcMessage,out);
-
             } else {
                 throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
             }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
index d6ebb3f6974..f551e1b99e4 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
@@ -16,8 +16,13 @@
 package io.seata.core.rpc.netty;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.core.rpc.netty.v0.ProtocolV0RpcMessage;
 
+/**
+ * the protocol decoder
+ *
+ * @author minghua.xie
+ * @date 2023/8/1
+ **/
 public interface ProtocolDecoder {
 
     ProtocolRpcMessage decodeFrame(ByteBuf in);
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
index 74bf1b1b2d7..d8c72fcf663 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
@@ -18,6 +18,12 @@
 import io.netty.buffer.ByteBuf;
 import io.seata.core.protocol.RpcMessage;
 
+/**
+ * the protocol encoder
+ *
+ * @author minghua.xie
+ * @date 2023/8/1
+ **/
 public interface ProtocolEncoder {
     void encode(RpcMessage rpcMessage, ByteBuf out);
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
index 5ce758d7d50..7cfe882b661 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
@@ -1,3 +1,18 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package io.seata.core.rpc.netty;
 
 import io.seata.core.protocol.RpcMessage;
diff --git a/core/src/main/java/io/seata/core/rpc/netty/TmNettyRemotingClient.java b/core/src/main/java/io/seata/core/rpc/netty/TmNettyRemotingClient.java
index c90db35f386..e2a238b61df 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/TmNettyRemotingClient.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/TmNettyRemotingClient.java
@@ -221,8 +221,7 @@ public void onRegisterMsgSuccess(String serverAddress, Channel channel, Object r
         RegisterTMRequest registerTMRequest = (RegisterTMRequest) requestMessage;
         RegisterTMResponse registerTMResponse = (RegisterTMResponse) response;
         if (LOGGER.isInfoEnabled()) {
-            LOGGER.info("register TM success. client version:{}, server version:{},channel:{}",
-                    registerTMRequest.getVersion(), registerTMResponse.getVersion(), channel);
+            LOGGER.info("register TM success. client version:{}, server version:{},channel:{}", registerTMRequest.getVersion(), registerTMResponse.getVersion(), channel);
         }
         getClientChannelManager().registerChannel(serverAddress, channel);
     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
index be761391727..49016d659b3 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
@@ -16,7 +16,7 @@
 package io.seata.core.rpc.netty.v0;
 
 /**
- * ?
+ * protocol v0 constants
  *
  * @author Bughue
  * @date 2023/7/18
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
index 979dcd66e13..a54573c8e28 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
@@ -68,12 +68,12 @@ public class ProtocolV0Decoder implements ProtocolDecoder {
     @Override
     public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
         ProtocolV0RpcMessage rpcMessage = new ProtocolV0RpcMessage();
-        // todo 旧版本是直接返回跳过了，我们需要保留这个逻辑？【特殊】
+        // todo [5738-discuss][decode] 旧版本是直接返回跳过了，我们需要保留这个逻辑？【特殊】
         if (in.readableBytes() < ProtocolV0Constants.HEAD_LENGTH) {
             throw new IllegalArgumentException("Nothing to decode.");
         }
 
-        // todo 这里是为了bodyLength不满足要求时reset，意义是什么？【特殊】
+        // todo [5738-discuss][decode] 这里是为了bodyLength不满足要求时reset，意义是什么？【特殊】
         in.markReaderIndex();
 
         // todo 外层已经判断过了，这里可以跳过
@@ -109,7 +109,7 @@ public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
         }
 
         if (bodyLength > 0 && in.readableBytes() < bodyLength) {
-            // todo 【特殊】
+            // todo [5738-discuss][兼容] 这种情况要允许吗？
             in.resetReaderIndex();
             throw new IllegalArgumentException("readableBytes < bodyLength");
         }
@@ -119,7 +119,8 @@ public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
         rpcMessage.setRequest(isRequest);
 
         try {
-            // v0_1
+            // v0 方案1（未完整实现
+            // todo [5738-discuss][decode] 旧方式完全分离出来更难改
             // todo serializer==null
 //            MessageCodecV0 msgCodec = serializer.getMsgInstanceByCode(typeCode);
 //            if (!msgCodec.decode(in)) {
@@ -127,18 +128,18 @@ public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
 //            }
 //            rpcMessage.setBody(msgCodec);
 
-            // v0_2
+            // v0 方案2（已实现
             int length = in.readableBytes();
             byte[] bs = new byte[length];
             in.readBytes(bs);
+            // todo [5738-discuss][decode] 旧版本协议在这里是有messageType的，所以这里要补
             byte[] bs2 = new byte[2 + length];
-            bs2[0] = (byte) (0x00FF & (typeCode>>8));
+            bs2[0] = (byte) (0x00FF & (typeCode >> 8));
             bs2[1] = (byte) (0x00FF & typeCode);
-            System.arraycopy(bs,0,bs2,2, length);
-            byte codecType = isSeataCodec? SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
+            System.arraycopy(bs, 0, bs2, 2, length);
+            byte codecType = isSeataCodec ? SerializerType.SEATA.getCode() : SerializerType.HESSIAN.getCode();
             Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codecType), ProtocolConstants.VERSION_0);
             rpcMessage.setBody(serializer.deserialize(bs2));
-
         } catch (Exception e) {
             LOGGER.error("decode error", "", e);
             throw e;
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
index 8e1cfc4a599..988276eee36 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
@@ -17,15 +17,11 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
-import io.seata.core.compressor.Compressor;
-import io.seata.core.compressor.CompressorFactory;
 import io.seata.core.protocol.HeartbeatMessage;
 import io.seata.core.protocol.MessageTypeAware;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.netty.ProtocolEncoder;
-import io.seata.core.rpc.netty.ProtocolRpcMessage;
-import io.seata.core.rpc.netty.v1.ProtocolV1RpcMessage;
 import io.seata.core.serializer.Serializer;
 import io.seata.core.serializer.SerializerServiceLoader;
 import io.seata.core.serializer.SerializerType;
@@ -66,15 +62,6 @@ public class ProtocolV0Encoder implements ProtocolEncoder {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Encoder.class);
 
-    public static void encode(ChannelHandlerContext ctx, ProtocolV0RpcMessage rpcMessage, ByteBuf out) {
-        try {
-            // todo 按照旧协议方式encode
-            System.out.println();
-        } catch (Throwable e) {
-            LOGGER.error("Encode request error!", e);
-        }
-    }
-
     @Override
     public void encode(RpcMessage message, ByteBuf out) {
         try {
@@ -96,8 +83,6 @@ public void encode(RpcMessage message, ByteBuf out) {
                 return;
             }
 
-
-
             byte[] bodyBytes = null;
             Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codec), ProtocolConstants.VERSION_0);
             bodyBytes = serializer.serialize(msg.getBody());
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
index 3ed60fb8167..9cb1af723d8 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
@@ -15,19 +15,16 @@
  */
 package io.seata.core.rpc.netty.v0;
 
-import io.seata.common.util.StringUtils;
 import io.seata.core.compressor.CompressorType;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.netty.ProtocolRpcMessage;
 import io.seata.core.serializer.SerializerType;
 
-import java.util.HashMap;
-import java.util.Map;
 import java.util.concurrent.atomic.AtomicLong;
 
 /**
- * ?
+ * the protocol v0 rpc message
  *
  * @author minghua.xie
  * @date 2023/8/1
@@ -163,7 +160,7 @@ public void setMessageType(byte messageType) {
     public RpcMessage protocolMsg2RpcMsg(){
         RpcMessage rpcMessage = new RpcMessage();
         rpcMessage.setMessageType(this.messageType);
-        // todo 基础配置
+        // todo 基础配置补充完整
         rpcMessage.setCompressor(CompressorType.NONE.getCode());
 
         byte codecType = this.isSeataCodec? SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
index 8e2db58f3f3..9e06ed526a9 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
@@ -112,5 +112,4 @@ public ProtocolRpcMessage decodeFrame(ByteBuf frame) {
 
         return rpcMessage;
     }
-
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
index 644ecec4057..d91e08189e8 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
@@ -16,14 +16,12 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.netty.ProtocolEncoder;
-import io.seata.core.rpc.netty.ProtocolRpcMessage;
-import io.seata.core.rpc.netty.v0.ProtocolV0Encoder;
 import io.seata.core.serializer.Serializer;
 import io.seata.core.compressor.Compressor;
 import io.seata.core.compressor.CompressorFactory;
 import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.RpcMessage;
 import io.seata.core.serializer.SerializerServiceLoader;
 import io.seata.core.serializer.SerializerType;
 import org.slf4j.Logger;
@@ -69,7 +67,6 @@ public void encode(RpcMessage message, ByteBuf out) {
             ProtocolV1RpcMessage rpcMessage = new ProtocolV1RpcMessage();
             rpcMessage.rpcMsg2ProtocolMsg(message);
 
-//            if (msg instanceof RpcMessage) {
             int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
             int headLength = ProtocolConstants.V1_HEAD_LENGTH;
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
index 60578e2be6c..ba2cbd8d5e1 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
@@ -24,7 +24,7 @@
 import java.util.Map;
 
 /**
- * ?
+ * protocol v1 rpc message
  *
  * @author minghua.xie
  * @date 2023/8/1
diff --git a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
index c2d1b3ab9c1..bca11d6b4c5 100644
--- a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
@@ -39,7 +39,7 @@ private SerializerServiceLoader() {
      * @return the service of {@link Serializer}
      * @throws EnhancedServiceNotFoundException the enhanced service not found exception
      */
-    public static Serializer load(SerializerType type,int version) throws EnhancedServiceNotFoundException {
+    public static Serializer load(SerializerType type, int version) throws EnhancedServiceNotFoundException {
         if (type == SerializerType.PROTOBUF) {
             try {
                 ReflectionUtil.getClassByName(PROTOBUF_SERIALIZER_CLASS_NAME);
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
index 612b550d16c..8d7091aca5d 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
@@ -83,7 +83,7 @@
  * @author zhangsen
  */
 public class MessageCodecFactory {
-
+// todo [5738-discuss][codec] 这个工厂类的大部分职责都被我改成serialize父类的map了，剩下的merge和batch看如何处理？
     /**
      * The constant UTF8.
      */
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
index 6cfb8733271..1fe8b5dd0ee 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
@@ -24,6 +24,8 @@
  * The type Abstract identify request codec.
  */
 public abstract class AbstractIdentifyRequestCodec extends AbstractMessageCodec {
+    // todo [5738-discuss][codec] 像这种父类如果是这次的新旧版本都一样，要写成继承吗
+    // todo [5738-discuss][codec] 这些codec类只依靠包区分是否足够？
 
     @Override
     public Class<?> getMessageClassType() {
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
index ff2569bcf63..d071572f301 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
@@ -24,7 +24,6 @@
  * @author zhangsen
  */
 public class RegisterTMRequestCodec extends AbstractIdentifyRequestCodec {
-
     @Override
     public Class<?> getMessageClassType() {
         return RegisterTMRequest.class;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
index ad481ed6d3b..456786132d4 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
@@ -17,7 +17,6 @@
 
 
 import io.seata.core.protocol.RegisterTMResponse;
-import io.seata.serializer.seata.protocol.v1.AbstractIdentifyResponseCodec;
 
 /**
  * The type Register tm response codec.
@@ -25,7 +24,6 @@
  * @author zhangsen
  */
 public class RegisterTMResponseCodec extends AbstractIdentifyResponseCodec {
-
     @Override
     public Class<?> getMessageClassType() {
         return RegisterTMResponse.class;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
index 9c8b55357aa..8bb8f0b9018 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
@@ -30,7 +30,7 @@
 import java.nio.ByteBuffer;
 
 /**
- * The Seata codec v1.
+ * The Seata codec v0.
  *
  * @author Bughue
  */
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
index 663bdf9f55a..3a325a5e7ab 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
@@ -24,7 +24,8 @@
  * The type Abstract identify request codec.
  */
 public abstract class AbstractIdentifyRequestCodec extends AbstractMessageCodec {
-
+    // todo [5738-discuss][codec] 像这种父类如果是这次的新旧版本都一样，要写成继承吗
+    // todo [5738-discuss][codec] 这些codec类只依靠包区分是否足够？
     @Override
     public Class<?> getMessageClassType() {
         return AbstractIdentifyRequest.class;

From 9207d2f45060a5211676f50f3bb78680fe3146bd Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 21 Sep 2023 18:29:53 +0800
Subject: [PATCH 12/22] protocol

---
 .../common/loader/EnhancedServiceLoader.java  |  30 +-
 .../common/loader/ExtensionDefinition.java    |  10 +-
 .../io/seata/common/loader/LoadLevel.java     |   8 -
 .../io/seata/core/protocol/RpcMessage.java    |  10 +-
 .../java/io/seata/core/protocol/Version.java  |  12 +-
 .../rpc/DefaultServerMessageListenerImpl.java |   4 +-
 .../java/io/seata/core/rpc/RpcContext.java    |  10 -
 .../core/rpc/netty/AbstractNettyRemoting.java |   6 +-
 .../netty/AbstractNettyRemotingClient.java    |  15 +-
 .../netty/AbstractNettyRemotingServer.java    |  35 +-
 .../seata/core/rpc/netty/ChannelManager.java  |   6 +-
 .../rpc/netty/CompatibleProtocolDecoder.java  |  12 +-
 .../rpc/netty/CompatibleProtocolEncoder.java  |  12 +-
 .../netty/CompatibleProtocolVersionMap.java   |  16 +
 .../core/rpc/netty/NettyClientBootstrap.java  |   2 -
 .../seata/core/rpc/netty/ProtocolDecoder.java |   2 +-
 .../seata/core/rpc/netty/ProtocolEncoder.java |   2 +-
 ...onstants.java => ProtocolConstantsV0.java} |   2 +-
 ...lV0Decoder.java => ProtocolDecoderV0.java} |  49 +--
 ...lV0Encoder.java => ProtocolEncoderV0.java} |  21 +-
 ...Message.java => ProtocolRpcMessageV0.java} |   5 +-
 .../seata/core/rpc/netty/v0/SerializerV0.java |   6 -
 ...lV1Decoder.java => ProtocolDecoderV1.java} |   9 +-
 ...lV1Encoder.java => ProtocolEncoderV1.java} |   8 +-
 ...Message.java => ProtocolRpcMessageV1.java} |   7 +-
 .../rpc/processor/server/RegRmProcessor.java  |   2 +-
 .../rpc/processor/server/RegTmProcessor.java  |   4 +-
 .../serializer/SerializerServiceLoader.java   |   8 +-
 .../serializer/seata/MessageCodecFactory.java | 191 +---------
 .../seata/SeataAbstractSerializer.java        | 127 -------
 .../serializer/seata/SeataSerializer.java     | 145 ++++++++
 .../v0/AbstractIdentifyRequestCodec.java      | 156 ---------
 .../v0/AbstractIdentifyResponseCodec.java     |  70 ----
 .../protocol/v0/AbstractMessageCodec.java     |  72 ----
 .../v0/AbstractResultMessageCodec.java        |  77 ----
 .../protocol/v0/BatchResultMessageCodec.java  |  13 +
 .../protocol/v0/MergeResultMessageCodec.java  |  13 +
 .../protocol/v0/MergedWarpMessageCodec.java   |  13 +
 .../protocol/v0/MessageCodecFactoryV0.java    |  54 +++
 .../protocol/v0/RegisterTMRequestCodec.java   |  32 --
 .../protocol/v0/RegisterTMResponseCodec.java  |  32 --
 .../seata/protocol/v0/SeataV0Serializer.java  | 100 ------
 .../v0_1/AbstractIdentifyRequestV0.java       | 329 ------------------
 .../v0_1/AbstractIdentifyResponseV0.java      | 144 --------
 .../protocol/v0_1/AbstractMessageV0.java      |  88 -----
 .../v0_1/AbstractResultMessageV0.java         | 155 ---------
 .../seata/protocol/v0_1/MergedMessageV0.java  |  33 --
 .../protocol/v0_1/RegisterRMRequestV0.java    | 174 ---------
 .../protocol/v0_1/RegisterRMResponseV0.java   |  53 ---
 .../protocol/v0_1/RegisterTMRequestV0.java    |  73 ----
 .../protocol/v0_1/RegisterTMResponseV0.java   |  53 ---
 .../protocol/v0_1/SeataV0Serializer.java      | 139 --------
 .../v1/AbstractIdentifyRequestCodec.java      |   3 +-
 .../protocol/v1/BatchResultMessageCodec.java  |   9 +-
 .../protocol/v1/MergeResultMessageCodec.java  |   9 +-
 .../protocol/v1/MergedWarpMessageCodec.java   |   9 +-
 .../protocol/v1/MessageCodecFactoryV1.java    | 184 ++++++++++
 .../seata/protocol/v1/SeataV1Serializer.java  |  47 ---
 .../io.seata.core.rpc.netty.v0.SerializerV0   |   1 -
 .../io.seata.core.serializer.Serializer       |   3 +-
 60 files changed, 565 insertions(+), 2349 deletions(-)
 create mode 100644 core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolVersionMap.java
 rename core/src/main/java/io/seata/core/rpc/netty/v0/{ProtocolV0Constants.java => ProtocolConstantsV0.java} (96%)
 rename core/src/main/java/io/seata/core/rpc/netty/v0/{ProtocolV0Decoder.java => ProtocolDecoderV0.java} (71%)
 rename core/src/main/java/io/seata/core/rpc/netty/v0/{ProtocolV0Encoder.java => ProtocolEncoderV0.java} (87%)
 rename core/src/main/java/io/seata/core/rpc/netty/v0/{ProtocolV0RpcMessage.java => ProtocolRpcMessageV0.java} (97%)
 delete mode 100644 core/src/main/java/io/seata/core/rpc/netty/v0/SerializerV0.java
 rename core/src/main/java/io/seata/core/rpc/netty/v1/{ProtocolV1Decoder.java => ProtocolDecoderV1.java} (95%)
 rename core/src/main/java/io/seata/core/rpc/netty/v1/{ProtocolV1Encoder.java => ProtocolEncoderV1.java} (96%)
 rename core/src/main/java/io/seata/core/rpc/netty/v1/{ProtocolV1RpcMessage.java => ProtocolRpcMessageV1.java} (95%)
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponseCodec.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageCodec.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/BatchResultMessageCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergeResultMessageCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedWarpMessageCodec.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyRequestV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyResponseV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractMessageV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractResultMessageV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/MergedMessageV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMRequestV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMResponseV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMRequestV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMResponseV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/SeataV0Serializer.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataV1Serializer.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.rpc.netty.v0.SerializerV0

diff --git a/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java b/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
index 74863a6c490..dc56d50f76c 100644
--- a/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
+++ b/common/src/main/java/io/seata/common/loader/EnhancedServiceLoader.java
@@ -25,7 +25,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
-import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.stream.Collectors;
@@ -89,11 +88,6 @@ public static <S> S load(Class<S> service, String activateName) throws EnhancedS
         return InnerEnhancedServiceLoader.getServiceLoader(service).load(activateName, findClassLoader());
     }
 
-
-    public static <S> S load(Class<S> service, String activateName,int version) throws EnhancedServiceNotFoundException {
-        return InnerEnhancedServiceLoader.getServiceLoader(service).loadExtension(activateName, findClassLoader(), null, null, version);
-    }
-
     /**
      * Specify classLoader to load the service provider
      *
@@ -413,13 +407,13 @@ private S loadExtension(ClassLoader loader, Class<?>[] argTypes, Object[] args)
 
         @SuppressWarnings("rawtypes")
         private S loadExtension(String activateName, ClassLoader loader, Class[] argTypes,
-                                Object[] args, int version) {
+                                Object[] args) {
             if (StringUtils.isEmpty(activateName)) {
                 throw new IllegalArgumentException("the name of service provider for [" + type.getName() + "] name is null");
             }
             try {
                 loadAllExtensionClass(loader);
-                ExtensionDefinition<S> cachedExtensionDefinition = getCachedExtensionDefinition(activateName, version);
+                ExtensionDefinition<S> cachedExtensionDefinition = getCachedExtensionDefinition(activateName);
                 return getExtensionInstance(cachedExtensionDefinition, loader, argTypes, args);
             } catch (Throwable e) {
                 if (e instanceof EnhancedServiceNotFoundException) {
@@ -432,13 +426,6 @@ private S loadExtension(String activateName, ClassLoader loader, Class[] argType
             }
         }
 
-
-        @SuppressWarnings("rawtypes")
-        private S loadExtension(String activateName, ClassLoader loader, Class[] argTypes,
-                                Object[] args) {
-            return loadExtension(activateName,loader,argTypes,args, -1);
-        }
-
         private S getExtensionInstance(ExtensionDefinition<S> definition, ClassLoader loader, Class<?>[] argTypes,
                                        Object[] args) {
             if (definition == null) {
@@ -594,15 +581,13 @@ private ExtensionDefinition<S> getUnloadedExtensionDefinition(String className,
                 String serviceName = null;
                 int priority = 0;
                 Scope scope = Scope.SINGLETON;
-                byte version = -1;
                 LoadLevel loadLevel = clazz.getAnnotation(LoadLevel.class);
                 if (loadLevel != null) {
                     serviceName = loadLevel.name();
                     priority = loadLevel.order();
                     scope = loadLevel.scope();
-                    version = loadLevel.version();
                 }
-                ExtensionDefinition<S> result = new ExtensionDefinition<>(serviceName, priority, scope, enhancedServiceClass, version);
+                ExtensionDefinition<S> result = new ExtensionDefinition<>(serviceName, priority, scope, enhancedServiceClass);
                 classToDefinitionMap.put(clazz, result);
                 if (serviceName != null) {
                     CollectionUtils.computeIfAbsent(nameToDefinitionsMap, serviceName, e -> new ArrayList<>())
@@ -630,15 +615,8 @@ private ExtensionDefinition<S> getDefaultExtensionDefinition() {
             return CollectionUtils.getLast(currentDefinitions);
         }
 
-        private ExtensionDefinition<S> getCachedExtensionDefinition(String activateName, int version) {
+        private ExtensionDefinition<S> getCachedExtensionDefinition(String activateName) {
             List<ExtensionDefinition<S>> definitions = nameToDefinitionsMap.get(activateName);
-            if (version >= 0) {
-                Optional<ExtensionDefinition<S>> first = definitions.stream().filter(d -> d.getVersion() == version).findFirst();
-                if (first.isPresent()) {
-                    return first.get();
-                }
-            }
-            // todo [5738-discuss][class-loader] 实在找不到的话还要随便找个版本吗？这样不太严谨？
             return CollectionUtils.getLast(definitions);
         }
 
diff --git a/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java b/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
index ef27aa74d95..ea8b4790c1a 100644
--- a/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
+++ b/common/src/main/java/io/seata/common/loader/ExtensionDefinition.java
@@ -28,15 +28,11 @@ final class ExtensionDefinition<S> {
     private final String name;
     private final Class<S> serviceClass;
     private final Integer order;
-    private final Integer version;
     private final Scope scope;
 
     public Integer getOrder() {
         return this.order;
     }
-    public Integer getVersion() {
-        return this.version;
-    }
 
     public Class<S> getServiceClass() {
         return this.serviceClass;
@@ -47,16 +43,12 @@ public Scope getScope() {
     }
 
     public ExtensionDefinition(String name, Integer order, Scope scope, Class<S> clazz) {
-        this(name,order,scope,clazz,-1);
-    }
-
-    public ExtensionDefinition(String name, Integer order, Scope scope, Class<S> clazz, int version) {
         this.name = name;
         this.order = order;
-        this.version = version;
         this.scope = scope;
         this.serviceClass = clazz;
     }
+
     @Override
     public int hashCode() {
         final int prime = 31;
diff --git a/common/src/main/java/io/seata/common/loader/LoadLevel.java b/common/src/main/java/io/seata/common/loader/LoadLevel.java
index 086d65a10b5..1c974a6a03f 100644
--- a/common/src/main/java/io/seata/common/loader/LoadLevel.java
+++ b/common/src/main/java/io/seata/common/loader/LoadLevel.java
@@ -44,14 +44,6 @@
      */
     int order() default 0;
 
-    /**
-     * version int.
-     *
-     * @return the int
-     */
-    // todo [5738-discuss][class-loader] 由于0也是个版本，所以现在默认是-1
-    byte version() default -1;
-
     /**
      * Scope enum.
      */
diff --git a/core/src/main/java/io/seata/core/protocol/RpcMessage.java b/core/src/main/java/io/seata/core/protocol/RpcMessage.java
index 7f1f91d1ebb..d47b60af514 100644
--- a/core/src/main/java/io/seata/core/protocol/RpcMessage.java
+++ b/core/src/main/java/io/seata/core/protocol/RpcMessage.java
@@ -34,7 +34,7 @@ public class RpcMessage {
     private Map<String, String> headMap = new HashMap<>();
     private Object body;
 
-    private byte protocolVersion;
+    private String version;
 
     /**
      * Gets id.
@@ -170,12 +170,12 @@ public void setMessageType(byte messageType) {
         this.messageType = messageType;
     }
 
-    public byte getProtocolVersion() {
-        return protocolVersion;
+    public String getVersion() {
+        return version;
     }
 
-    public void setProtocolVersion(byte protocolVersion) {
-        this.protocolVersion = protocolVersion;
+    public void setVersion(String version) {
+        this.version = version;
     }
 
     @Override
diff --git a/core/src/main/java/io/seata/core/protocol/Version.java b/core/src/main/java/io/seata/core/protocol/Version.java
index 96b47df8d8b..bdf77b26e3e 100644
--- a/core/src/main/java/io/seata/core/protocol/Version.java
+++ b/core/src/main/java/io/seata/core/protocol/Version.java
@@ -37,7 +37,7 @@ public class Version {
      * The constant CURRENT.
      */
     private static final String CURRENT = VersionInfo.VERSION;
-    private static final String VERSION_0_7_1 = "0.7.1";
+    public static final String VERSION_0_7_1 = "0.7.1";
     private static final String VERSION_1_5_0 = "1.5.0";
     private static final int MAX_VERSION_DOT = 3;
 
@@ -152,6 +152,16 @@ public static long convertVersionNotThrowException(String version) {
         return -1;
     }
 
+    public static byte calcProtocolVersion(String sdkVersion) throws IncompatibleVersionException {
+        long version = convertVersion(sdkVersion);
+        long v0 = convertVersion(VERSION_0_7_1);
+        if (version <= v0) {
+            return ProtocolConstants.VERSION_0;
+        }else {
+            return ProtocolConstants.VERSION_1;
+        }
+    }
+
     private static long calculatePartValue(String partNumeric, int size, int index) {
         return Long.parseLong(partNumeric) * Double.valueOf(Math.pow(100, size - index)).longValue();
     }
diff --git a/core/src/main/java/io/seata/core/rpc/DefaultServerMessageListenerImpl.java b/core/src/main/java/io/seata/core/rpc/DefaultServerMessageListenerImpl.java
index 40499d1d80d..c81f78fb5d4 100644
--- a/core/src/main/java/io/seata/core/rpc/DefaultServerMessageListenerImpl.java
+++ b/core/src/main/java/io/seata/core/rpc/DefaultServerMessageListenerImpl.java
@@ -113,7 +113,7 @@ public void onRegRmMessage(RpcMessage request, ChannelHandlerContext ctx, Regist
         String errorInfo = StringUtils.EMPTY;
         try {
             if (checkAuthHandler == null || checkAuthHandler.regResourceManagerCheckAuth(message)) {
-                ChannelManager.registerRMChannel(message, ctx.channel(), request.getProtocolVersion());
+                ChannelManager.registerRMChannel(message, ctx.channel());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
@@ -145,7 +145,7 @@ public void onRegTmMessage(RpcMessage request, ChannelHandlerContext ctx, Regist
         String errorInfo = StringUtils.EMPTY;
         try {
             if (checkAuthHandler == null || checkAuthHandler.regTransactionManagerCheckAuth(message)) {
-                ChannelManager.registerTMChannel(message, ctx.channel(), request.getProtocolVersion());
+                ChannelManager.registerTMChannel(message, ctx.channel());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
diff --git a/core/src/main/java/io/seata/core/rpc/RpcContext.java b/core/src/main/java/io/seata/core/rpc/RpcContext.java
index 6a86b088126..2fe3cca0769 100644
--- a/core/src/main/java/io/seata/core/rpc/RpcContext.java
+++ b/core/src/main/java/io/seata/core/rpc/RpcContext.java
@@ -42,8 +42,6 @@ public class RpcContext {
 
     private String version;
 
-    private byte protocolVersion;
-
     private String applicationId;
 
     private String transactionServiceGroup;
@@ -322,14 +320,6 @@ public void setClientId(String clientId) {
         this.clientId = clientId;
     }
 
-    public byte getProtocolVersion() {
-        return protocolVersion;
-    }
-
-    public void setProtocolVersion(byte protocolVersion) {
-        this.protocolVersion = protocolVersion;
-    }
-
     @Override
     public String toString() {
         return "RpcContext{" +
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
index 1fa623e0302..2fe850e63b5 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
@@ -28,6 +28,7 @@
 import io.seata.core.protocol.MessageTypeAware;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
+import io.seata.core.protocol.Version;
 import io.seata.core.rpc.Disposable;
 import io.seata.core.rpc.hook.RpcHook;
 import io.seata.core.rpc.processor.Pair;
@@ -231,15 +232,14 @@ protected void sendAsync(Channel channel, RpcMessage rpcMessage) {
             }
         });
     }
-
-    protected RpcMessage buildRequestMessage(Object msg, byte messageType) {
+    protected RpcMessage buildRequestMessage(Object msg, byte messageType, String version) {
         RpcMessage rpcMessage = new RpcMessage();
         rpcMessage.setId(getNextMessageId());
         rpcMessage.setMessageType(messageType);
         rpcMessage.setCodec(ProtocolConstants.CONFIGURED_CODEC);
         rpcMessage.setCompressor(ProtocolConstants.CONFIGURED_COMPRESSOR);
         rpcMessage.setBody(msg);
-        rpcMessage.setProtocolVersion(ProtocolConstants.VERSION_CURRENT);
+        rpcMessage.setVersion(version);
         return rpcMessage;
     }
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
index 6d6fc503e78..1e08f6ab75b 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
@@ -50,6 +50,7 @@
 import io.seata.core.protocol.MessageFuture;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
+import io.seata.core.protocol.Version;
 import io.seata.core.protocol.transaction.AbstractGlobalEndRequest;
 import io.seata.core.protocol.transaction.BranchRegisterRequest;
 import io.seata.core.protocol.transaction.BranchReportRequest;
@@ -141,7 +142,7 @@ public AbstractNettyRemotingClient(NettyClientConfig nettyClientConfig, EventExe
     public Object sendSyncRequest(Object msg) throws TimeoutException {
         String serverAddress = loadBalance(getTransactionServiceGroup(), msg);
         long timeoutMillis = this.getRpcRequestTimeout();
-        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
+        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC, Version.getCurrent());
 
         // send batch message
         // put message into basketMap, @see MergedSendRunnable
@@ -195,7 +196,7 @@ public Object sendSyncRequest(Channel channel, Object msg) throws TimeoutExcepti
             LOGGER.warn("sendSyncRequest nothing, caused by null channel.");
             return null;
         }
-        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
+        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC, Version.getCurrent());
         return super.sendSync(channel, rpcMessage, this.getRpcRequestTimeout());
     }
 
@@ -206,8 +207,8 @@ public void sendAsyncRequest(Channel channel, Object msg) {
             return;
         }
         RpcMessage rpcMessage = buildRequestMessage(msg, msg instanceof HeartbeatMessage
-            ? ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
-            : ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
+                ? ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
+                : ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY, Version.getCurrent());
         if (rpcMessage.getBody() instanceof MergeMessage) {
             mergeMsgMap.put(rpcMessage.getId(), (MergeMessage) rpcMessage.getBody());
         }
@@ -416,13 +417,9 @@ public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exce
             RpcMessage rpcMessage = null;
             if (msg instanceof ProtocolRpcMessage) {
                 rpcMessage = ((ProtocolRpcMessage) msg).protocolMsg2RpcMsg();
-            }
-
-            if (rpcMessage != null) {
                 processMessage(ctx, rpcMessage);
             } else {
-                // todo [5738-discuss][类型] 会有这种情况吗？？按之前的就是不处理？
-                //打日志？
+                LOGGER.error("rpcMessage type error");
             }
         }
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
index 435d713d5dc..5e7c2740804 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
@@ -69,31 +69,21 @@ public Object sendSyncRequest(String resourceId, String clientId, Object msg, bo
         if (channel == null) {
             throw new RuntimeException("rm client is not connected. dbkey:" + resourceId + ",clientId:" + clientId);
         }
-        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
-        return superSendSync(channel, rpcMessage);
-    }
-
-    private void superSendAsync(Channel channel, RpcMessage rpcMessage) {
         RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
-        // todo [5738-discuss][兼容] ，目前看到用这个方法的地方都没有做空判断
-        rpcMessage.setProtocolVersion(rpcContext.getProtocolVersion());
-        super.sendAsync(channel, rpcMessage);
-    }
-
-    private Object superSendSync(Channel channel, RpcMessage rpcMessage) throws TimeoutException {
-        RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
-        // todo [5738-discuss][兼容] ，目前看到用这个方法的地方都没有做空判断
-        rpcMessage.setProtocolVersion(rpcContext.getProtocolVersion());
+        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC, rpcContext.getVersion());
         return super.sendSync(channel, rpcMessage, NettyServerConfig.getRpcRequestTimeout());
     }
 
+
+
     @Override
     public Object sendSyncRequest(Channel channel, Object msg) throws TimeoutException {
         if (channel == null) {
             throw new RuntimeException("client is not connected");
         }
-        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
-        return superSendSync(channel, rpcMessage);
+        RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
+        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC, rpcContext.getVersion());
+        return super.sendSync(channel, rpcMessage, NettyServerConfig.getRpcRequestTimeout());
     }
 
     @Override
@@ -101,8 +91,9 @@ public void sendAsyncRequest(Channel channel, Object msg) {
         if (channel == null) {
             throw new RuntimeException("client is not connected");
         }
-        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
-        superSendAsync(channel, rpcMessage);
+        RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
+        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY, rpcContext.getVersion());
+        super.sendAsync(channel, rpcMessage);
     }
 
     @Override
@@ -115,7 +106,7 @@ public void sendAsyncResponse(RpcMessage rpcMessage, Channel channel, Object msg
             RpcMessage rpcMsg = buildResponseMessage(rpcMessage, msg, msg instanceof HeartbeatMessage
                 ? ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE
                 : ProtocolConstants.MSGTYPE_RESPONSE);
-            superSendAsync(clientChannel, rpcMsg);
+            super.sendAsync(clientChannel, rpcMsg);
         } else {
             throw new RuntimeException("channel is error.");
         }
@@ -180,11 +171,9 @@ public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exce
             RpcMessage rpcMessage = null;
             if (msg instanceof ProtocolRpcMessage) {
                 rpcMessage = ((ProtocolRpcMessage) msg).protocolMsg2RpcMsg();
-            }
-            if (rpcMessage != null) {
                 processMessage(ctx, rpcMessage);
-            } else {
-                // todo [5738-discuss][兼容] 正常会有这种情况吗？打日志还是抛异常？
+            }else {
+                LOGGER.error("rpcMessage type error");
             }
         }
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ChannelManager.java b/core/src/main/java/io/seata/core/rpc/netty/ChannelManager.java
index b946815045e..33e39033e95 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ChannelManager.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ChannelManager.java
@@ -120,7 +120,7 @@ private static RpcContext buildChannelHolder(NettyPoolKey.TransactionRole client
      * @param channel the channel
      * @throws IncompatibleVersionException the incompatible version exception
      */
-    public static void registerTMChannel(RegisterTMRequest request, Channel channel, byte protocolVersion)
+    public static void registerTMChannel(RegisterTMRequest request, Channel channel)
         throws IncompatibleVersionException {
         Version.checkVersion(request.getVersion());
         RpcContext rpcContext = buildChannelHolder(NettyPoolKey.TransactionRole.TMROLE, request.getVersion(),
@@ -133,7 +133,6 @@ public static void registerTMChannel(RegisterTMRequest request, Channel channel,
         ConcurrentMap<Integer, RpcContext> clientIdentifiedMap = CollectionUtils.computeIfAbsent(TM_CHANNELS,
             clientIdentified, key -> new ConcurrentHashMap<>());
         rpcContext.holdInClientChannels(clientIdentifiedMap);
-        rpcContext.setProtocolVersion(protocolVersion);
     }
 
     /**
@@ -143,7 +142,7 @@ public static void registerTMChannel(RegisterTMRequest request, Channel channel,
      * @param channel                the channel
      * @throws IncompatibleVersionException the incompatible  version exception
      */
-    public static void registerRMChannel(RegisterRMRequest resourceManagerRequest, Channel channel, byte protocolVersion)
+    public static void registerRMChannel(RegisterRMRequest resourceManagerRequest, Channel channel)
         throws IncompatibleVersionException {
         Version.checkVersion(resourceManagerRequest.getVersion());
         Set<String> dbkeySet = dbKeytoSet(resourceManagerRequest.getResourceIds());
@@ -167,7 +166,6 @@ public static void registerRMChannel(RegisterRMRequest resourceManagerRequest, C
             rpcContext.holdInResourceManagerChannels(resourceId, portMap);
             updateChannelsResource(resourceId, clientIp, resourceManagerRequest.getApplicationId());
         }
-        rpcContext.setProtocolVersion(protocolVersion);
     }
 
     private static void updateChannelsResource(String resourceId, String clientIp, String applicationId) {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
index 61d70127986..db859581dda 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
@@ -21,8 +21,8 @@
 import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
 import io.seata.core.exception.DecodeException;
 import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.rpc.netty.v0.ProtocolV0Decoder;
-import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
+import io.seata.core.rpc.netty.v0.ProtocolDecoderV0;
+import io.seata.core.rpc.netty.v1.ProtocolDecoderV1;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -75,8 +75,8 @@ int lengthFieldLength,  FullLength is int(4B). so values is 4
         */
         super(maxFrameLength, 3, 4, -7, 0);
         protocolDecoderMap = ImmutableMap.<Byte, ProtocolDecoder>builder()
-                .put(ProtocolConstants.VERSION_0, new ProtocolV0Decoder())
-                .put(ProtocolConstants.VERSION_1, new ProtocolV1Decoder())
+                .put(ProtocolConstants.VERSION_0, new ProtocolDecoderV0())
+                .put(ProtocolConstants.VERSION_1, new ProtocolDecoderV1())
                 .build();
     }
 
@@ -87,7 +87,6 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
         byte version;
         try {
             if (isV0(in)) {
-                // todo [5738-discuss][decode] 旧版本连super都不会走，会不会有其他问题？
                 decoded = in;
                 version = ProtocolConstants.VERSION_0;
             } else {
@@ -100,7 +99,6 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
                 try {
                     ProtocolDecoder decoder = protocolDecoderMap.get(version);
                     if (decoder == null) {
-                        // todo [5738-discuss][兼容] 要不要适配当前版本？
                         throw new IllegalArgumentException("Unknown version: " + version);
                     }
                     return decoder.decodeFrame(frame);
@@ -112,7 +110,6 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
             }
         } catch (Exception exx) {
             LOGGER.error("Decode frame error, cause: {}", exx.getMessage());
-            // todo [5738-discuss][优化] 这里抛出去之后似乎没有地方打印了？
             throw new DecodeException(exx);
         }
         return decoded;
@@ -133,7 +130,6 @@ protected byte decideVersion(Object in) {
             frame.resetReaderIndex();
             return version;
         }
-        // todo [5738-discuss][兼容] 类型不一致的情况要允许吗？
         return -1;
     }
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
index 4f318090381..4142375bf3d 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
@@ -21,8 +21,9 @@
 import io.netty.handler.codec.MessageToByteEncoder;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.netty.v0.ProtocolV0Encoder;
-import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
+import io.seata.core.protocol.Version;
+import io.seata.core.rpc.netty.v0.ProtocolEncoderV0;
+import io.seata.core.rpc.netty.v1.ProtocolEncoderV1;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -50,8 +51,8 @@ public class CompatibleProtocolEncoder extends MessageToByteEncoder {
     public CompatibleProtocolEncoder(){
         super();
         protocolEncoderMap = ImmutableMap.<Byte, ProtocolEncoder>builder()
-                .put(ProtocolConstants.VERSION_0, new ProtocolV0Encoder())
-                .put(ProtocolConstants.VERSION_1, new ProtocolV1Encoder())
+                .put(ProtocolConstants.VERSION_0, new ProtocolEncoderV0())
+                .put(ProtocolConstants.VERSION_1, new ProtocolEncoderV1())
                 .build();
     }
 
@@ -60,10 +61,9 @@ public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
         try {
             if (msg instanceof RpcMessage) {
                 RpcMessage rpcMessage = (RpcMessage) msg;
-                byte version = rpcMessage.getProtocolVersion();
+                byte version = Version.calcProtocolVersion(rpcMessage.getVersion());
                 ProtocolEncoder encoder = protocolEncoderMap.get(version);
                 if (encoder == null) {
-                    // todo [5738-discuss][encode] 要不要适配当前版本？
                     throw new IllegalArgumentException("Unknown version: " + version);
                 }
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolVersionMap.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolVersionMap.java
new file mode 100644
index 00000000000..8e39abb4ccd
--- /dev/null
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolVersionMap.java
@@ -0,0 +1,16 @@
+package io.seata.core.rpc.netty;
+
+import io.seata.core.protocol.IncompatibleVersionException;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.Version;
+
+/**
+ * ?
+ *
+ * @author Bughue
+ * @date 2023/9/20
+ **/
+public class CompatibleProtocolVersionMap {
+
+
+}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/NettyClientBootstrap.java b/core/src/main/java/io/seata/core/rpc/netty/NettyClientBootstrap.java
index 8e44eec36b8..3a6462d514d 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/NettyClientBootstrap.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/NettyClientBootstrap.java
@@ -34,8 +34,6 @@
 import io.seata.common.exception.FrameworkException;
 import io.seata.common.thread.NamedThreadFactory;
 import io.seata.core.rpc.RemotingBootstrap;
-import io.seata.core.rpc.netty.v1.ProtocolV1Decoder;
-import io.seata.core.rpc.netty.v1.ProtocolV1Encoder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
index f551e1b99e4..37a5973853c 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolDecoder.java
@@ -20,7 +20,7 @@
 /**
  * the protocol decoder
  *
- * @author minghua.xie
+ * @author Bughue
  * @date 2023/8/1
  **/
 public interface ProtocolDecoder {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
index d8c72fcf663..606a8d51a30 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolEncoder.java
@@ -21,7 +21,7 @@
 /**
  * the protocol encoder
  *
- * @author minghua.xie
+ * @author Bughue
  * @date 2023/8/1
  **/
 public interface ProtocolEncoder {
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolConstantsV0.java
similarity index 96%
rename from core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
rename to core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolConstantsV0.java
index 49016d659b3..eaaa9780457 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Constants.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolConstantsV0.java
@@ -21,7 +21,7 @@
  * @author Bughue
  * @date 2023/7/18
  **/
-public class ProtocolV0Constants {
+public class ProtocolConstantsV0 {
     public static short MAGIC = (short)0xdada;
 
     public static int HEAD_LENGTH = 14;
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolDecoderV0.java
similarity index 71%
rename from core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
rename to core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolDecoderV0.java
index a54573c8e28..e0ea927daa3 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolDecoderV0.java
@@ -20,7 +20,6 @@
 import io.seata.core.protocol.HeartbeatMessage;
 
 import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.rpc.RegisterCheckAuthHandler;
 import io.seata.core.rpc.netty.ProtocolDecoder;
 import io.seata.core.serializer.Serializer;
 import io.seata.core.serializer.SerializerServiceLoader;
@@ -28,9 +27,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.Iterator;
-import java.util.ServiceLoader;
-
 /**
  * <pre>
  *  seata-version < 0.7
@@ -56,34 +52,28 @@
  * </p>
  *
  * @author Bughue
- * @see ProtocolV0Encoder
+ * @see ProtocolEncoderV0
  * @since 2.0.0
  */
-public class ProtocolV0Decoder implements ProtocolDecoder {
+public class ProtocolDecoderV0 implements ProtocolDecoder {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Decoder.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolDecoderV0.class);
 
-    private static final SerializerV0 serializer  =  EnhancedServiceLoader.load(SerializerV0.class);;
 
     @Override
-    public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
-        ProtocolV0RpcMessage rpcMessage = new ProtocolV0RpcMessage();
-        // todo [5738-discuss][decode] 旧版本是直接返回跳过了，我们需要保留这个逻辑？【特殊】
-        if (in.readableBytes() < ProtocolV0Constants.HEAD_LENGTH) {
+    public ProtocolRpcMessageV0 decodeFrame(ByteBuf in) {
+        ProtocolRpcMessageV0 rpcMessage = new ProtocolRpcMessageV0();
+        if (in.readableBytes() < ProtocolConstantsV0.HEAD_LENGTH) {
             throw new IllegalArgumentException("Nothing to decode.");
         }
 
-        // todo [5738-discuss][decode] 这里是为了bodyLength不满足要求时reset，意义是什么？【特殊】
         in.markReaderIndex();
-
-        // todo 外层已经判断过了，这里可以跳过
         short protocol = in.readShort();
-
         int flag = (int) in.readShort();
 
-        boolean isHeartbeat = (ProtocolV0Constants.FLAG_HEARTBEAT & flag) > 0;
-        boolean isRequest = (ProtocolV0Constants.FLAG_REQUEST & flag) > 0;
-        boolean isSeataCodec = (ProtocolV0Constants.FLAG_SEATA_CODEC & flag) > 0;
+        boolean isHeartbeat = (ProtocolConstantsV0.FLAG_HEARTBEAT & flag) > 0;
+        boolean isRequest = (ProtocolConstantsV0.FLAG_REQUEST & flag) > 0;
+        boolean isSeataCodec = (ProtocolConstantsV0.FLAG_SEATA_CODEC & flag) > 0;
         rpcMessage.setSeataCodec(isSeataCodec);
 
         short bodyLength = 0;
@@ -109,30 +99,20 @@ public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
         }
 
         if (bodyLength > 0 && in.readableBytes() < bodyLength) {
-            // todo [5738-discuss][兼容] 这种情况要允许吗？
             in.resetReaderIndex();
             throw new IllegalArgumentException("readableBytes < bodyLength");
         }
 
-        rpcMessage.setAsync((ProtocolV0Constants.FLAG_ASYNC & flag) > 0);
+        rpcMessage.setAsync((ProtocolConstantsV0.FLAG_ASYNC & flag) > 0);
         rpcMessage.setHeartbeat(false);
         rpcMessage.setRequest(isRequest);
 
         try {
-            // v0 方案1（未完整实现
-            // todo [5738-discuss][decode] 旧方式完全分离出来更难改
-            // todo serializer==null
-//            MessageCodecV0 msgCodec = serializer.getMsgInstanceByCode(typeCode);
-//            if (!msgCodec.decode(in)) {
-//                throw new IllegalArgumentException("decode fail.");
-//            }
-//            rpcMessage.setBody(msgCodec);
-
-            // v0 方案2（已实现
             int length = in.readableBytes();
             byte[] bs = new byte[length];
             in.readBytes(bs);
-            // todo [5738-discuss][decode] 旧版本协议在这里是有messageType的，所以这里要补
+
+            // fill messageType in v0
             byte[] bs2 = new byte[2 + length];
             bs2[0] = (byte) (0x00FF & (typeCode >> 8));
             bs2[1] = (byte) (0x00FF & typeCode);
@@ -141,12 +121,11 @@ public ProtocolV0RpcMessage decodeFrame(ByteBuf in) {
             Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codecType), ProtocolConstants.VERSION_0);
             rpcMessage.setBody(serializer.deserialize(bs2));
         } catch (Exception e) {
-            LOGGER.error("decode error", "", e);
+            LOGGER.error("decode error", e);
             throw e;
         }
         if (LOGGER.isDebugEnabled()) {
-            LOGGER.debug("Receive:" + rpcMessage.getBody() + ",messageId:"
-                    + msgId);
+            LOGGER.debug("Receive:" + rpcMessage.getBody() + ", messageId:" + msgId);
         }
         return rpcMessage;
     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolEncoderV0.java
similarity index 87%
rename from core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
rename to core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolEncoderV0.java
index 988276eee36..5c1cf3f05de 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolEncoderV0.java
@@ -16,7 +16,6 @@
 package io.seata.core.rpc.netty.v0;
 
 import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
 import io.seata.core.protocol.HeartbeatMessage;
 import io.seata.core.protocol.MessageTypeAware;
 import io.seata.core.protocol.ProtocolConstants;
@@ -28,8 +27,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.nio.ByteBuffer;
-
 /**
  * <pre>
  *  seata-version < 0.7
@@ -55,25 +52,25 @@
  * </p>
  *
  * @author Bughue
- * @see ProtocolV0Decoder
+ * @see ProtocolDecoderV0
  * @since 2.0.0
  */
-public class ProtocolV0Encoder implements ProtocolEncoder {
+public class ProtocolEncoderV0 implements ProtocolEncoder {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV0Encoder.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolEncoderV0.class);
 
     @Override
     public void encode(RpcMessage message, ByteBuf out) {
         try {
             byte codec = message.getCodec();
-            ProtocolV0RpcMessage msg = new ProtocolV0RpcMessage();
+            ProtocolRpcMessageV0 msg = new ProtocolRpcMessageV0();
             msg.rpcMsg2ProtocolMsg(message);
 
-            out.writeShort(ProtocolV0Constants.MAGIC);
-            int flag = (msg.isAsync() ? ProtocolV0Constants.FLAG_ASYNC : 0)
-                    | (msg.isHeartbeat() ? ProtocolV0Constants.FLAG_HEARTBEAT : 0)
-                    | (msg.isRequest() ? ProtocolV0Constants.FLAG_REQUEST : 0)
-                    | (msg.isSeataCodec() ? ProtocolV0Constants.FLAG_SEATA_CODEC : 0);
+            out.writeShort(ProtocolConstantsV0.MAGIC);
+            int flag = (msg.isAsync() ? ProtocolConstantsV0.FLAG_ASYNC : 0)
+                    | (msg.isHeartbeat() ? ProtocolConstantsV0.FLAG_HEARTBEAT : 0)
+                    | (msg.isRequest() ? ProtocolConstantsV0.FLAG_REQUEST : 0)
+                    | (msg.isSeataCodec() ? ProtocolConstantsV0.FLAG_SEATA_CODEC : 0);
 
             out.writeShort((short) flag);
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
similarity index 97%
rename from core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
rename to core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
index 9cb1af723d8..5d926b1f74c 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolV0RpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
@@ -26,10 +26,10 @@
 /**
  * the protocol v0 rpc message
  *
- * @author minghua.xie
+ * @author Bughue
  * @date 2023/8/1
  **/
-public class ProtocolV0RpcMessage implements ProtocolRpcMessage {
+public class ProtocolRpcMessageV0 implements ProtocolRpcMessage {
 
     private static AtomicLong NEXT_ID = new AtomicLong(0);
 
@@ -160,7 +160,6 @@ public void setMessageType(byte messageType) {
     public RpcMessage protocolMsg2RpcMsg(){
         RpcMessage rpcMessage = new RpcMessage();
         rpcMessage.setMessageType(this.messageType);
-        // todo 基础配置补充完整
         rpcMessage.setCompressor(CompressorType.NONE.getCode());
 
         byte codecType = this.isSeataCodec? SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/SerializerV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/SerializerV0.java
deleted file mode 100644
index 90246ff4fa8..00000000000
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/SerializerV0.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package io.seata.core.rpc.netty.v0;
-
-public interface SerializerV0 {
-
-    MessageCodecV0 getMsgInstanceByCode(short typeCode);
-}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolDecoderV1.java
similarity index 95%
rename from core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
rename to core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolDecoderV1.java
index 9e06ed526a9..5a15df97a54 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolDecoderV1.java
@@ -19,7 +19,6 @@
 import io.seata.core.compressor.Compressor;
 import io.seata.core.compressor.CompressorFactory;
 import io.seata.core.protocol.HeartbeatMessage;
-import io.seata.core.rpc.netty.CompatibleProtocolDecoder;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.rpc.netty.ProtocolDecoder;
 import io.seata.core.rpc.netty.ProtocolRpcMessage;
@@ -55,12 +54,12 @@
  * https://github.com/seata/seata/issues/893
  *
  * @author Geng Zhang
- * @see ProtocolV1Encoder
+ * @see ProtocolEncoderV1
  * @since 0.7.0
  */
-public class ProtocolV1Decoder  implements ProtocolDecoder {
+public class ProtocolDecoderV1 implements ProtocolDecoder {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV1Decoder.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolDecoderV1.class);
 
     @Override
     public ProtocolRpcMessage decodeFrame(ByteBuf frame) {
@@ -80,7 +79,7 @@ public ProtocolRpcMessage decodeFrame(ByteBuf frame) {
         byte compressorType = frame.readByte();
         int requestId = frame.readInt();
 
-        ProtocolV1RpcMessage rpcMessage = new ProtocolV1RpcMessage();
+        ProtocolRpcMessageV1 rpcMessage = new ProtocolRpcMessageV1();
         rpcMessage.setCodec(codecType);
         rpcMessage.setId(requestId);
         rpcMessage.setCompressor(compressorType);
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolEncoderV1.java
similarity index 96%
rename from core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
rename to core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolEncoderV1.java
index d91e08189e8..0710ddb58e1 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1Encoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolEncoderV1.java
@@ -53,18 +53,18 @@
  * https://github.com/seata/seata/issues/893
  *
  * @author Geng Zhang
- * @see ProtocolV1Decoder
+ * @see ProtocolDecoderV1
  * @since 0.7.0
  */
-public class ProtocolV1Encoder implements ProtocolEncoder {
+public class ProtocolEncoderV1 implements ProtocolEncoder {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolV1Encoder.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ProtocolEncoderV1.class);
 
 
     public void encode(RpcMessage message, ByteBuf out) {
         try {
 
-            ProtocolV1RpcMessage rpcMessage = new ProtocolV1RpcMessage();
+            ProtocolRpcMessageV1 rpcMessage = new ProtocolRpcMessageV1();
             rpcMessage.rpcMsg2ProtocolMsg(message);
 
             int fullLength = ProtocolConstants.V1_HEAD_LENGTH;
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
similarity index 95%
rename from core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
rename to core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
index ba2cbd8d5e1..639ee76de69 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolV1RpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
@@ -16,7 +16,6 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.seata.common.util.StringUtils;
-import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.netty.ProtocolRpcMessage;
 
@@ -26,10 +25,10 @@
 /**
  * protocol v1 rpc message
  *
- * @author minghua.xie
+ * @author Bughue
  * @date 2023/8/1
  **/
-public class ProtocolV1RpcMessage implements ProtocolRpcMessage {
+public class ProtocolRpcMessageV1 implements ProtocolRpcMessage {
 
     private int id;
     private byte messageType;
@@ -183,7 +182,6 @@ public RpcMessage protocolMsg2RpcMsg(){
         rpcMessage.setCompressor(this.compressor);
         rpcMessage.setHeadMap(this.headMap);
         rpcMessage.setBody(this.body);
-        rpcMessage.setProtocolVersion(ProtocolConstants.VERSION_1);
         return rpcMessage;
     }
 
@@ -195,5 +193,6 @@ public void rpcMsg2ProtocolMsg(RpcMessage rpcMessage) {
         this.messageType = rpcMessage.getMessageType();
         this.codec = rpcMessage.getCodec();
         this.compressor = rpcMessage.getCompressor();
+        rpcMessage.getVersion();
     }
 }
diff --git a/core/src/main/java/io/seata/core/rpc/processor/server/RegRmProcessor.java b/core/src/main/java/io/seata/core/rpc/processor/server/RegRmProcessor.java
index 03b8af68f2e..1e4767387a2 100644
--- a/core/src/main/java/io/seata/core/rpc/processor/server/RegRmProcessor.java
+++ b/core/src/main/java/io/seata/core/rpc/processor/server/RegRmProcessor.java
@@ -64,7 +64,7 @@ private void onRegRmMessage(ChannelHandlerContext ctx, RpcMessage rpcMessage) {
         String errorInfo = StringUtils.EMPTY;
         try {
             if (null == checkAuthHandler || checkAuthHandler.regResourceManagerCheckAuth(message)) {
-                ChannelManager.registerRMChannel(message, ctx.channel(), rpcMessage.getProtocolVersion());
+                ChannelManager.registerRMChannel(message, ctx.channel());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
diff --git a/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java b/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
index 985f7ac1cc4..1b7deb6f647 100644
--- a/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
+++ b/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
@@ -65,7 +65,7 @@ private void onRegTmMessage(ChannelHandlerContext ctx, RpcMessage rpcMessage) {
         String errorInfo = StringUtils.EMPTY;
         try {
             if (null == checkAuthHandler || checkAuthHandler.regTransactionManagerCheckAuth(message)) {
-                ChannelManager.registerTMChannel(message, ctx.channel(), rpcMessage.getProtocolVersion());
+                ChannelManager.registerTMChannel(message, ctx.channel(), rpcMessage.getVersion());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
@@ -90,7 +90,7 @@ private void onRegTmMessage(ChannelHandlerContext ctx, RpcMessage rpcMessage) {
         remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), response);
         if (isSuccess && LOGGER.isInfoEnabled()) {
             LOGGER.info("TM register success,message:{},channel:{},client version:{},client protocol-version:{}"
-                    , message, ctx.channel(), message.getVersion(), rpcMessage.getProtocolVersion());
+                    , message, ctx.channel(), message.getVersion(), rpcMessage.getVersion());
         }
     }
 
diff --git a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
index bca11d6b4c5..caa7e2bc630 100644
--- a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
@@ -39,7 +39,7 @@ private SerializerServiceLoader() {
      * @return the service of {@link Serializer}
      * @throws EnhancedServiceNotFoundException the enhanced service not found exception
      */
-    public static Serializer load(SerializerType type, int version) throws EnhancedServiceNotFoundException {
+    public static Serializer load(SerializerType type, byte version) throws EnhancedServiceNotFoundException {
         if (type == SerializerType.PROTOBUF) {
             try {
                 ReflectionUtil.getClassByName(PROTOBUF_SERIALIZER_CLASS_NAME);
@@ -48,6 +48,10 @@ public static Serializer load(SerializerType type, int version) throws EnhancedS
                         "Please manually reference 'io.seata:seata-serializer-protobuf' dependency ", e);
             }
         }
-        return EnhancedServiceLoader.load(Serializer.class, type.name(), version);
+        if (type == SerializerType.SEATA) {
+            return EnhancedServiceLoader.load(Serializer.class, type.name(), new Object[]{version});
+        }else {
+            return EnhancedServiceLoader.load(Serializer.class, type.name());
+        }
     }
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
index 8d7091aca5d..b3aa78a3164 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
@@ -1,51 +1,5 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
 package io.seata.serializer.seata;
 
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
-
-import io.seata.serializer.seata.protocol.v1.BatchResultMessageCodec;
-import io.seata.serializer.seata.protocol.v1.MergeResultMessageCodec;
-import io.seata.serializer.seata.protocol.v1.MergedWarpMessageCodec;
-import io.seata.serializer.seata.protocol.v1.RegisterRMRequestCodec;
-import io.seata.serializer.seata.protocol.v1.RegisterRMResponseCodec;
-import io.seata.serializer.seata.protocol.v1.RegisterTMRequestCodec;
-import io.seata.serializer.seata.protocol.v1.RegisterTMResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.BranchCommitRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.BranchCommitResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.BranchRegisterRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.BranchRegisterResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.BranchReportRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.BranchReportResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.BranchRollbackRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.BranchRollbackResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalBeginRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalBeginResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalCommitRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalCommitResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalLockQueryRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalLockQueryResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalReportRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalReportResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalRollbackRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalRollbackResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalStatusRequestCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.GlobalStatusResponseCodec;
-import io.seata.serializer.seata.protocol.v1.transaction.UndoLogDeleteRequestCodec;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.BatchResultMessage;
 import io.seata.core.protocol.MergeResultMessage;
@@ -77,17 +31,10 @@
 import io.seata.core.protocol.transaction.GlobalStatusResponse;
 import io.seata.core.protocol.transaction.UndoLogDeleteRequest;
 
-/**
- * The type Message codec factory.
- *
- * @author zhangsen
- */
-public class MessageCodecFactory {
-// todo [5738-discuss][codec] 这个工厂类的大部分职责都被我改成serialize父类的map了，剩下的merge和batch看如何处理？
-    /**
-     * The constant UTF8.
-     */
-    protected static final Charset UTF8 = StandardCharsets.UTF_8;
+public abstract class MessageCodecFactory {
+
+    public abstract MessageSeataCodec getMessageCodec(short typeCode);
+
 
     /**
      * Get message codec message codec.
@@ -95,142 +42,17 @@ public class MessageCodecFactory {
      * @param abstractMessage the abstract message
      * @return the message codec
      */
-    public static MessageSeataCodec getMessageCodec(AbstractMessage abstractMessage) {
+    public MessageSeataCodec getMessageCodec(AbstractMessage abstractMessage) {
         return getMessageCodec(abstractMessage.getTypeCode());
     }
 
-    /**
-     * Gets msg instance by code.
-     *
-     * @param typeCode the type code
-     * @return the msg instance by code
-     */
-    public static MessageSeataCodec getMessageCodec(short typeCode) {
-        MessageSeataCodec msgCodec = null;
-        switch (typeCode) {
-            case MessageType.TYPE_SEATA_MERGE:
-                msgCodec = new MergedWarpMessageCodec();
-                break;
-            case MessageType.TYPE_SEATA_MERGE_RESULT:
-                msgCodec = new MergeResultMessageCodec();
-                break;
-            case MessageType.TYPE_REG_CLT:
-                msgCodec = new RegisterTMRequestCodec();
-                break;
-            case MessageType.TYPE_REG_CLT_RESULT:
-                msgCodec = new RegisterTMResponseCodec();
-                break;
-            case MessageType.TYPE_REG_RM:
-                msgCodec = new RegisterRMRequestCodec();
-                break;
-            case MessageType.TYPE_REG_RM_RESULT:
-                msgCodec = new RegisterRMResponseCodec();
-                break;
-            case MessageType.TYPE_BRANCH_COMMIT:
-                msgCodec = new BranchCommitRequestCodec();
-                break;
-            case MessageType.TYPE_BRANCH_ROLLBACK:
-                msgCodec = new BranchRollbackRequestCodec();
-                break;
-            case MessageType.TYPE_GLOBAL_REPORT:
-                msgCodec = new GlobalReportRequestCodec();
-                break;
-            case MessageType.TYPE_BATCH_RESULT_MSG:
-                msgCodec = new BatchResultMessageCodec();
-                break;
-            default:
-                break;
-        }
-
-        if (msgCodec != null) {
-            return msgCodec;
-        }
-
-        try {
-            msgCodec = getMergeRequestMessageSeataCodec(typeCode);
-        } catch (Exception exx) {
-        }
-
-        if (msgCodec != null) {
-            return msgCodec;
-        }
-
-        msgCodec = getMergeResponseMessageSeataCodec(typeCode);
-
-        return msgCodec;
-    }
-
-    /**
-     * Gets merge request instance by code.
-     *
-     * @param typeCode the type code
-     * @return the merge request instance by code
-     */
-    protected static MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode) {
-        switch (typeCode) {
-            case MessageType.TYPE_GLOBAL_BEGIN:
-                return new GlobalBeginRequestCodec();
-            case MessageType.TYPE_GLOBAL_COMMIT:
-                return new GlobalCommitRequestCodec();
-            case MessageType.TYPE_GLOBAL_ROLLBACK:
-                return new GlobalRollbackRequestCodec();
-            case MessageType.TYPE_GLOBAL_STATUS:
-                return new GlobalStatusRequestCodec();
-            case MessageType.TYPE_GLOBAL_LOCK_QUERY:
-                return new GlobalLockQueryRequestCodec();
-            case MessageType.TYPE_BRANCH_REGISTER:
-                return new BranchRegisterRequestCodec();
-            case MessageType.TYPE_BRANCH_STATUS_REPORT:
-                return new BranchReportRequestCodec();
-            case MessageType.TYPE_GLOBAL_REPORT:
-                return new GlobalReportRequestCodec();
-            default:
-                throw new IllegalArgumentException("not support typeCode," + typeCode);
-        }
-    }
-
-    /**
-     * Gets merge response instance by code.
-     *
-     * @param typeCode the type code
-     * @return the merge response instance by code
-     */
-    protected static MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode) {
-        switch (typeCode) {
-            case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
-                return new GlobalBeginResponseCodec();
-            case MessageType.TYPE_GLOBAL_COMMIT_RESULT:
-                return new GlobalCommitResponseCodec();
-            case MessageType.TYPE_GLOBAL_ROLLBACK_RESULT:
-                return new GlobalRollbackResponseCodec();
-            case MessageType.TYPE_GLOBAL_STATUS_RESULT:
-                return new GlobalStatusResponseCodec();
-            case MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT:
-                return new GlobalLockQueryResponseCodec();
-            case MessageType.TYPE_BRANCH_REGISTER_RESULT:
-                return new BranchRegisterResponseCodec();
-            case MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT:
-                return new BranchReportResponseCodec();
-            case MessageType.TYPE_BRANCH_COMMIT_RESULT:
-                return new BranchCommitResponseCodec();
-            case MessageType.TYPE_BRANCH_ROLLBACK_RESULT:
-                return new BranchRollbackResponseCodec();
-            case MessageType.TYPE_RM_DELETE_UNDOLOG:
-                return new UndoLogDeleteRequestCodec();
-            case MessageType.TYPE_GLOBAL_REPORT_RESULT:
-                return new GlobalReportResponseCodec();
-            default:
-                throw new IllegalArgumentException("not support typeCode," + typeCode);
-        }
-    }
-
     /**
      * Gets message.
      *
      * @param typeCode the type code
      * @return the message
      */
-    public static AbstractMessage getMessage(short typeCode) {
+    public AbstractMessage getMessage(short typeCode) {
         AbstractMessage abstractMessage = null;
         switch (typeCode) {
             case MessageType.TYPE_SEATA_MERGE:
@@ -350,5 +172,4 @@ protected static AbstractMessage getMergeResponseInstanceByCode(int typeCode) {
                 throw new IllegalArgumentException("not support typeCode," + typeCode);
         }
     }
-
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
deleted file mode 100644
index 9c590ea0bf4..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataAbstractSerializer.java
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata;
-
-import com.sun.tools.javac.util.Pair;
-import io.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.serializer.Serializer;
-
-import java.nio.ByteBuffer;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * The Seata codec.
- *
- * @author zhangsen
- */
-public abstract class SeataAbstractSerializer implements Serializer {
-
-    protected Map<Short, Pair<Class<? extends MessageSeataCodec>,Class<? extends AbstractMessage>>> classMap = new HashMap();
-
-    public Class<? extends MessageSeataCodec> getCodecClass(short typeCode){
-        Pair<Class<? extends MessageSeataCodec>, Class<? extends AbstractMessage>> pair = classMap.get(typeCode);
-        if(pair !=null && pair.fst !=null){
-            return pair.fst;
-        }else {
-            return null;
-        }
-    }
-
-    public Class<? extends AbstractMessage> getMessageClass(short typeCode){
-        Pair<Class<? extends MessageSeataCodec>, Class<? extends AbstractMessage>> pair = classMap.get(typeCode);
-        if(pair !=null && pair.snd !=null){
-            return pair.snd;
-        }else {
-            return null;
-        }
-    }
-
-    @Override
-    public <T> byte[] serialize(T t) {
-        if (t == null || !(t instanceof AbstractMessage)) {
-            throw new IllegalArgumentException("AbstractMessage isn't available.");
-        }
-        AbstractMessage abstractMessage = (AbstractMessage)t;
-        //typecode
-        short typecode = abstractMessage.getTypeCode();
-        //msg codec
-        MessageSeataCodec messageCodec = getCodecByType(typecode);
-        //get empty ByteBuffer
-        ByteBuf out = Unpooled.buffer(1024);
-        //msg encode
-        messageCodec.encode(t, out);
-        byte[] body = new byte[out.readableBytes()];
-        out.readBytes(body);
-
-        //typecode + body
-        ByteBuffer byteBuffer = ByteBuffer.allocate(2 + body.length);
-        byteBuffer.putShort(typecode);
-        byteBuffer.put(body);
-
-        byteBuffer.flip();
-        byte[] content = new byte[byteBuffer.limit()];
-        byteBuffer.get(content);
-        return content;
-    }
-
-    @Override
-    public <T> T deserialize(byte[] bytes) {
-        if (bytes == null || bytes.length == 0) {
-            throw new IllegalArgumentException("Nothing to decode.");
-        }
-        if (bytes.length < 2) {
-            throw new IllegalArgumentException("The byte[] isn't available for decode.");
-        }
-        ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
-        //typecode
-        short typecode = byteBuffer.getShort();
-        //msg body
-        byte[] body = new byte[byteBuffer.remaining()];
-        byteBuffer.get(body);
-        ByteBuffer in = ByteBuffer.wrap(body);
-        //new Messgae
-        AbstractMessage abstractMessage = getMessageByType(typecode);
-        //get messageCodec
-        MessageSeataCodec messageCodec = getCodecByType(typecode);
-        //decode
-        messageCodec.decode(abstractMessage, in);
-        return (T)abstractMessage;
-    }
-
-    protected AbstractMessage getMessageByType(short typecode) {
-        try {
-            return getMessageClass(typecode).newInstance();
-        } catch (InstantiationException e) {
-            throw new RuntimeException(e);
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    protected MessageSeataCodec getCodecByType(short typecode) {
-        try {
-            return getCodecClass(typecode).newInstance();
-        } catch (InstantiationException e) {
-            throw new RuntimeException(e);
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
new file mode 100644
index 00000000000..46b6e3f2e00
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
@@ -0,0 +1,145 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata;
+
+import com.google.common.collect.ImmutableMap;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.seata.common.loader.LoadLevel;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.serializer.Serializer;
+import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
+
+import java.nio.ByteBuffer;
+import java.util.Map;
+
+/**
+ * The Seata codec.
+ *
+ * @author zhangsen
+ */
+@LoadLevel(name = "SEATA")
+public class SeataSerializer implements Serializer {
+
+    MessageCodecFactory factory;
+    byte protocolVersion ;
+    static Map<Byte, MessageCodecFactory> FACTORY_MAP = ImmutableMap.<Byte, MessageCodecFactory>builder()
+//            .put(ProtocolConstants.VERSION_0, new ?())
+            .put(ProtocolConstants.VERSION_1, new MessageCodecFactoryV1())
+            .build();
+
+    public SeataSerializer(byte version){
+        factory =  FACTORY_MAP.get(version);
+        protocolVersion = version;
+    }
+
+    @Override
+    public <T> byte[] serialize(T t) {
+        if (t == null || !(t instanceof AbstractMessage)) {
+            throw new IllegalArgumentException("AbstractMessage isn't available.");
+        }
+        AbstractMessage abstractMessage = (AbstractMessage)t;
+        //typecode
+        short typecode = abstractMessage.getTypeCode();
+        //msg codec
+        MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
+        //get empty ByteBuffer
+        ByteBuf out = Unpooled.buffer(1024);
+        //msg encode
+        messageCodec.encode(t, out);
+        byte[] body = new byte[out.readableBytes()];
+        out.readBytes(body);
+
+        ByteBuffer byteBuffer;
+        if (protocolVersion == ProtocolConstants.VERSION_0) {
+            byteBuffer = ByteBuffer.allocate(body.length);
+        } else {
+            //typecode + body
+            byteBuffer = ByteBuffer.allocate(2 + body.length);
+            byteBuffer.putShort(typecode);
+        }
+        byteBuffer.put(body);
+
+        byteBuffer.flip();
+        byte[] content = new byte[byteBuffer.limit()];
+        byteBuffer.get(content);
+        return content;
+    }
+
+    @Override
+    public <T> T deserialize(byte[] bytes) {
+        if (bytes == null || bytes.length == 0) {
+            throw new IllegalArgumentException("Nothing to decode.");
+        }
+        if (bytes.length < 2) {
+            throw new IllegalArgumentException("The byte[] isn't available for decode.");
+        }
+        ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
+        //typecode
+        short typecode = byteBuffer.getShort();
+        //msg body
+        byte[] body = new byte[byteBuffer.remaining()];
+        byteBuffer.get(body);
+        ByteBuffer in = ByteBuffer.wrap(body);
+        //new Messgae
+        AbstractMessage abstractMessage = factory.getMessage(typecode);
+        //get messageCodec
+        MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
+        //decode
+        messageCodec.decode(abstractMessage, in);
+        return (T)abstractMessage;
+    }
+
+//    public Class<? extends MessageSeataCodec> getCodecClass(short typeCode){
+//        Pair<Class<? extends MessageSeataCodec>, Class<? extends AbstractMessage>> pair = classMap.get(typeCode);
+//        if(pair !=null && pair.fst !=null){
+//            return pair.fst;
+//        }else {
+//            return null;
+//        }
+//    }
+//
+//    public Class<? extends AbstractMessage> getMessageClass(short typeCode){
+//        Pair<Class<? extends MessageSeataCodec>, Class<? extends AbstractMessage>> pair = classMap.get(typeCode);
+//        if(pair !=null && pair.snd !=null){
+//            return pair.snd;
+//        }else {
+//            return null;
+//        }
+//    }
+
+//    protected AbstractMessage getMessageByType(short typecode) {
+//        try {
+//            return getMessageClass(typecode).newInstance();
+//        } catch (InstantiationException e) {
+//            throw new RuntimeException(e);
+//        } catch (IllegalAccessException e) {
+//            throw new RuntimeException(e);
+//        }
+//    }
+//
+//    protected MessageSeataCodec getCodecByType(short typecode) {
+//        try {
+//            return getCodecClass(typecode).newInstance();
+//        } catch (InstantiationException e) {
+//            throw new RuntimeException(e);
+//        } catch (IllegalAccessException e) {
+//            throw new RuntimeException(e);
+//        }
+//    }
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
deleted file mode 100644
index 1fe8b5dd0ee..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyRequestCodec.java
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0;
-
-import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.AbstractIdentifyRequest;
-
-import java.nio.ByteBuffer;
-
-/**
- * The type Abstract identify request codec.
- */
-public abstract class AbstractIdentifyRequestCodec extends AbstractMessageCodec {
-    // todo [5738-discuss][codec] 像这种父类如果是这次的新旧版本都一样，要写成继承吗
-    // todo [5738-discuss][codec] 这些codec类只依靠包区分是否足够？
-
-    @Override
-    public Class<?> getMessageClassType() {
-        return AbstractIdentifyRequest.class;
-    }
-
-    /**
-     * Do encode.
-     *
-     * @param <T> the type parameter
-     * @param t   the t
-     * @param out the out
-     */
-    protected <T> void doEncode(T t, ByteBuf out) {
-        AbstractIdentifyRequest abstractIdentifyRequest = (AbstractIdentifyRequest)t;
-        String version = abstractIdentifyRequest.getVersion();
-        String applicationId = abstractIdentifyRequest.getApplicationId();
-        String transactionServiceGroup = abstractIdentifyRequest.getTransactionServiceGroup();
-        String extraData = abstractIdentifyRequest.getExtraData();
-
-        if (version != null) {
-            byte[] bs = version.getBytes(UTF8);
-            out.writeShort((short)bs.length);
-            if (bs.length > 0) {
-                out.writeBytes(bs);
-            }
-        } else {
-            out.writeShort((short)0);
-        }
-
-        if (applicationId != null) {
-            byte[] bs = applicationId.getBytes(UTF8);
-            out.writeShort((short)bs.length);
-            if (bs.length > 0) {
-                out.writeBytes(bs);
-            }
-        } else {
-            out.writeShort((short)0);
-        }
-
-        if (transactionServiceGroup != null) {
-            byte[] bs = transactionServiceGroup.getBytes(UTF8);
-            out.writeShort((short)bs.length);
-            if (bs.length > 0) {
-                out.writeBytes(bs);
-            }
-        } else {
-            out.writeShort((short)0);
-        }
-
-        if (extraData != null) {
-            byte[] bs = extraData.getBytes(UTF8);
-            out.writeShort((short)bs.length);
-            if (bs.length > 0) {
-                out.writeBytes(bs);
-            }
-        } else {
-            out.writeShort((short)0);
-        }
-
-    }
-
-    @Override
-    public <T> void encode(T t, ByteBuf out) {
-        doEncode(t, out);
-    }
-
-    @Override
-    public <T> void decode(T t, ByteBuffer in) {
-        AbstractIdentifyRequest abstractIdentifyRequest = (AbstractIdentifyRequest)t;
-
-        //version len
-        short len = 0;
-        if (in.remaining() < 2) {
-            return;
-        }
-        len = in.getShort();
-        //version
-        if (in.remaining() < len) {
-            return;
-        }
-        byte[] bs = new byte[len];
-        in.get(bs);
-        abstractIdentifyRequest.setVersion(new String(bs, UTF8));
-
-        //applicationId len
-        if (in.remaining() < 2) {
-            return;
-        }
-        len = in.getShort();
-        //applicationId
-        if (in.remaining() < len) {
-            return;
-        }
-        bs = new byte[len];
-        in.get(bs);
-        abstractIdentifyRequest.setApplicationId(new String(bs, UTF8));
-
-        //transactionServiceGroup len
-        if (in.remaining() < 2) {
-            return;
-        }
-        len = in.getShort();
-
-        //transactionServiceGroup
-        if (in.remaining() < len) {
-            return;
-        }
-        bs = new byte[len];
-        in.get(bs);
-        abstractIdentifyRequest.setTransactionServiceGroup(new String(bs, UTF8));
-
-        //ExtraData len
-        if (in.remaining() < 2) {
-            return;
-        }
-        len = in.getShort();
-
-        if (in.remaining() >= len) {
-            bs = new byte[len];
-            in.get(bs);
-            abstractIdentifyRequest.setExtraData(new String(bs, UTF8));
-        } else {
-            //maybe null
-        }
-    }
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponseCodec.java
deleted file mode 100644
index aa64e57b88f..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractIdentifyResponseCodec.java
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0;
-
-import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.AbstractIdentifyResponse;
-
-import java.nio.ByteBuffer;
-
-/**
- * The type Abstract identify response.
- *
- * @author sharajava
- */
-public abstract class AbstractIdentifyResponseCodec extends AbstractResultMessageCodec {
-
-    @Override
-    public Class<?> getMessageClassType() {
-        return AbstractIdentifyResponse.class;
-    }
-
-    @Override
-    public <T> void encode(T t, ByteBuf out) {
-        AbstractIdentifyResponse abstractIdentifyResponse = (AbstractIdentifyResponse)t;
-        boolean identified = abstractIdentifyResponse.isIdentified();
-        String version = abstractIdentifyResponse.getVersion();
-
-        out.writeByte(identified ? (byte)1 : (byte)0);
-        if (version != null) {
-            byte[] bs = version.getBytes(UTF8);
-            out.writeShort((short)bs.length);
-            if (bs.length > 0) {
-                out.writeBytes(bs);
-            }
-        } else {
-            out.writeShort((short)0);
-        }
-    }
-
-    @Override
-    public <T> void decode(T t, ByteBuffer in) {
-        AbstractIdentifyResponse abstractIdentifyResponse = (AbstractIdentifyResponse)t;
-
-        abstractIdentifyResponse.setIdentified(in.get() == 1);
-        short len = in.getShort();
-        if (len <= 0) {
-            return;
-        }
-        if (in.remaining() < len) {
-            return;
-        }
-        byte[] bs = new byte[len];
-        in.get(bs);
-        abstractIdentifyResponse.setVersion(new String(bs, UTF8));
-    }
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageCodec.java
deleted file mode 100644
index 68d93d95efc..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractMessageCodec.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0;
-
-import io.seata.serializer.seata.MessageSeataCodec;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
-
-/**
- * The type Abstract message codec.
- *
- * @author zhangsen
- */
-public abstract class AbstractMessageCodec implements MessageSeataCodec {
-
-    /**
-     * The constant LOGGER.
-     */
-    protected static final Logger LOGGER = LoggerFactory.getLogger(AbstractMessageCodec.class);
-
-    /**
-     * The constant UTF8.
-     */
-    protected static final Charset UTF8 = StandardCharsets.UTF_8;
-
-    /**
-     * Bytes to int int.
-     *
-     * @param bytes  the bytes
-     * @param offset the offset
-     * @return the int
-     */
-    public static int bytesToInt(byte[] bytes, int offset) {
-        int ret = 0;
-        for (int i = 0; i < 4 && i + offset < bytes.length; i++) {
-            ret <<= 8;
-            ret |= (int)bytes[i + offset] & 0xFF;
-        }
-        return ret;
-    }
-
-    /**
-     * Int to bytes.
-     *
-     * @param i      the
-     * @param bytes  the bytes
-     * @param offset the offset
-     */
-    public static void intToBytes(int i, byte[] bytes, int offset) {
-        bytes[offset] = (byte)((i >> 24) & 0xFF);
-        bytes[offset + 1] = (byte)((i >> 16) & 0xFF);
-        bytes[offset + 2] = (byte)((i >> 8) & 0xFF);
-        bytes[offset + 3] = (byte)(i & 0xFF);
-    }
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageCodec.java
deleted file mode 100644
index ef36305a90e..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/AbstractResultMessageCodec.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0;
-
-import io.netty.buffer.ByteBuf;
-import io.seata.common.util.StringUtils;
-import io.seata.core.protocol.AbstractResultMessage;
-import io.seata.core.protocol.ResultCode;
-
-import java.nio.ByteBuffer;
-
-/**
- * The type Abstract result message codec.
- *
- * @author zhangsen
- */
-public abstract class AbstractResultMessageCodec extends AbstractMessageCodec {
-
-    @Override
-    public Class<?> getMessageClassType() {
-        return AbstractResultMessage.class;
-    }
-
-    @Override
-    public <T> void encode(T t, ByteBuf out) {
-        AbstractResultMessage abstractResultMessage = (AbstractResultMessage)t;
-        ResultCode resultCode = abstractResultMessage.getResultCode();
-        String resultMsg = abstractResultMessage.getMsg();
-
-        out.writeByte(resultCode.ordinal());
-        if (resultCode == ResultCode.Failed) {
-            if (StringUtils.isNotEmpty(resultMsg)) {
-                String msg;
-                if (resultMsg.length() > Short.MAX_VALUE) {
-                    msg = resultMsg.substring(0, Short.MAX_VALUE);
-                } else {
-                    msg = resultMsg;
-                }
-                byte[] bs = msg.getBytes(UTF8);
-                out.writeShort((short)bs.length);
-                out.writeBytes(bs);
-            } else {
-                out.writeShort((short)0);
-            }
-        }
-    }
-
-    @Override
-    public <T> void decode(T t, ByteBuffer in) {
-        AbstractResultMessage abstractResultMessage = (AbstractResultMessage)t;
-
-        ResultCode resultCode = ResultCode.get(in.get());
-        abstractResultMessage.setResultCode(resultCode);
-        if (resultCode == ResultCode.Failed) {
-            short len = in.getShort();
-            if (len > 0) {
-                byte[] msg = new byte[len];
-                in.get(msg);
-                abstractResultMessage.setMsg(new String(msg, UTF8));
-            }
-        }
-    }
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/BatchResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/BatchResultMessageCodec.java
new file mode 100644
index 00000000000..a530d4b4e68
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/BatchResultMessageCodec.java
@@ -0,0 +1,13 @@
+package io.seata.serializer.seata.protocol.v0;
+
+/**
+ * ?
+ *
+ * @author Bughue
+ * @date 2023/9/21
+ **/
+public class BatchResultMessageCodec extends io.seata.serializer.seata.protocol.v1.BatchResultMessageCodec {
+    public BatchResultMessageCodec(){
+        this.factory = new MessageCodecFactoryV0();
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergeResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergeResultMessageCodec.java
new file mode 100644
index 00000000000..00b88110223
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergeResultMessageCodec.java
@@ -0,0 +1,13 @@
+package io.seata.serializer.seata.protocol.v0;
+
+/**
+ * ?
+ *
+ * @author Bughue
+ * @date 2023/9/21
+ **/
+public class MergeResultMessageCodec extends io.seata.serializer.seata.protocol.v1.MergeResultMessageCodec {
+    public MergeResultMessageCodec(){
+        this.factory = new MessageCodecFactoryV0();
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedWarpMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedWarpMessageCodec.java
new file mode 100644
index 00000000000..1a3b6600cbd
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedWarpMessageCodec.java
@@ -0,0 +1,13 @@
+package io.seata.serializer.seata.protocol.v0;
+
+/**
+ * ?
+ *
+ * @author Bughue
+ * @date 2023/9/21
+ **/
+public class MergedWarpMessageCodec extends io.seata.serializer.seata.protocol.v1.MergedWarpMessageCodec {
+    public MergedWarpMessageCodec(){
+        this.factory = new MessageCodecFactoryV0();
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
new file mode 100644
index 00000000000..0205c91820d
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
@@ -0,0 +1,54 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v0;
+
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.MergeResultMessage;
+import io.seata.core.protocol.MergedWarpMessage;
+import io.seata.core.protocol.MessageType;
+import io.seata.serializer.seata.MessageSeataCodec;
+import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
+
+/**
+ * The type Message codec factory v0.
+ *
+ * @author Bughue
+ */
+public class MessageCodecFactoryV0 extends MessageCodecFactoryV1 {
+
+    public MessageSeataCodec getMessageCodec(short typeCode) {
+        MessageSeataCodec msgCodec = null;
+        switch (typeCode) {
+            case MessageType.TYPE_SEATA_MERGE:
+                msgCodec = new MergedWarpMessageCodec();
+                break;
+            case MessageType.TYPE_SEATA_MERGE_RESULT:
+                msgCodec = new MergeResultMessageCodec();
+                break;
+            case MessageType.TYPE_BATCH_RESULT_MSG:
+                msgCodec = new BatchResultMessageCodec();
+                break;
+            default:
+                break;
+        }
+
+        if (msgCodec != null) {
+            return msgCodec;
+        }
+
+        return super.getMessageCodec(typeCode);
+    }
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
deleted file mode 100644
index d071572f301..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMRequestCodec.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0;
-
-
-import io.seata.core.protocol.RegisterTMRequest;
-
-/**
- * The type Register tm request codec.
- *
- * @author zhangsen
- */
-public class RegisterTMRequestCodec extends AbstractIdentifyRequestCodec {
-    @Override
-    public Class<?> getMessageClassType() {
-        return RegisterTMRequest.class;
-    }
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
deleted file mode 100644
index 456786132d4..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/RegisterTMResponseCodec.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0;
-
-
-import io.seata.core.protocol.RegisterTMResponse;
-
-/**
- * The type Register tm response codec.
- *
- * @author zhangsen
- */
-public class RegisterTMResponseCodec extends AbstractIdentifyResponseCodec {
-    @Override
-    public Class<?> getMessageClassType() {
-        return RegisterTMResponse.class;
-    }
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
deleted file mode 100644
index 8bb8f0b9018..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataV0Serializer.java
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0;
-
-import com.sun.tools.javac.util.Pair;
-import io.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
-import io.seata.common.loader.LoadLevel;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.MessageType;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RegisterTMRequest;
-import io.seata.core.protocol.RegisterTMResponse;
-import io.seata.serializer.seata.MessageSeataCodec;
-import io.seata.serializer.seata.SeataAbstractSerializer;
-
-import java.nio.ByteBuffer;
-
-/**
- * The Seata codec v0.
- *
- * @author Bughue
- */
-@LoadLevel(name = "SEATA", version = ProtocolConstants.VERSION_0)
-public class SeataV0Serializer extends SeataAbstractSerializer {
-
-    public SeataV0Serializer() {
-        classMap.put(MessageType.TYPE_REG_CLT, new Pair<>(RegisterTMRequestCodec.class, RegisterTMRequest.class));
-        classMap.put(MessageType.TYPE_REG_CLT_RESULT, new Pair<>(RegisterTMResponseCodec.class, RegisterTMResponse.class));
-//        classMap.put(MessageType.TYPE_REG_RM, new Pair<>(RegisterRMRequestCodec.class, RegisterRMRequest.class));
-//        classMap.put(MessageType.TYPE_REG_RM_RESULT, new Pair<>(RegisterRMResponseCodec.class, RegisterRMResponse.class));
-
-    }
-
-    @Override
-    public <T> byte[] serialize(T t) {
-        if (t == null || !(t instanceof AbstractMessage)) {
-            throw new IllegalArgumentException("AbstractMessage isn't available.");
-        }
-        AbstractMessage abstractMessage = (AbstractMessage)t;
-        //typecode
-        short typecode = abstractMessage.getTypeCode();
-        //msg codec
-        MessageSeataCodec messageCodec = getCodecByType(typecode);
-        //get empty ByteBuffer
-        ByteBuf out = Unpooled.buffer(1024);
-        //msg encode
-        messageCodec.encode(t, out);
-        byte[] body = new byte[out.readableBytes()];
-        out.readBytes(body);
-
-        //typecode + body
-        ByteBuffer byteBuffer = ByteBuffer.allocate(body.length);
-        byteBuffer.put(body);
-
-        byteBuffer.flip();
-        byte[] content = new byte[byteBuffer.limit()];
-        byteBuffer.get(content);
-        return content;
-    }
-
-    @Override
-    public <T> T deserialize(byte[] bytes) {
-        if (bytes == null || bytes.length == 0) {
-            throw new IllegalArgumentException("Nothing to decode.");
-        }
-        if (bytes.length < 2) {
-            throw new IllegalArgumentException("The byte[] isn't available for decode.");
-        }
-        ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
-        //typecode
-        short typecode = byteBuffer.getShort();
-        //msg body
-        byte[] body = new byte[byteBuffer.remaining()];
-        byteBuffer.get(body);
-        ByteBuffer in = ByteBuffer.wrap(body);
-        //new Messgae
-        AbstractMessage abstractMessage = getMessageByType(typecode);
-        //get messageCodec
-        MessageSeataCodec messageCodec = getCodecByType(typecode);
-        //decode
-        messageCodec.decode(abstractMessage, in);
-        return (T)abstractMessage;
-    }
-
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyRequestV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyRequestV0.java
deleted file mode 100644
index 8865cdb58a3..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyRequestV0.java
+++ /dev/null
@@ -1,329 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.AbstractIdentifyRequest;
-import io.seata.core.protocol.Version;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.nio.ByteBuffer;
-
-/**
- * The type Abstract identify request.
- *
- * @author sharajava
- */
-public abstract class AbstractIdentifyRequestV0 extends AbstractMessageV0<AbstractIdentifyRequest> {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractIdentifyRequestV0.class);
-
-    /**
-     * The Version.
-     */
-    protected String version = Version.getCurrent();
-
-    /**
-     * The Application id.
-     */
-    protected String applicationId;
-
-    /**
-     * The Transaction service group.
-     */
-    protected String transactionServiceGroup;
-
-    /**
-     * The Extra data.
-     */
-    protected String extraData;
-
-    /**
-     * Instantiates a new Abstract identify request.
-     *
-     * @param applicationId           the application id
-     * @param transactionServiceGroup the transaction service group
-     */
-    public AbstractIdentifyRequestV0(String applicationId, String transactionServiceGroup) {
-        this.applicationId = applicationId;
-        this.transactionServiceGroup = transactionServiceGroup;
-    }
-
-    /**
-     * Instantiates a new Abstract identify request.
-     *
-     * @param applicationId           the application id
-     * @param transactionServiceGroup the transaction service group
-     * @param extraData               the extra data
-     */
-    public AbstractIdentifyRequestV0(String applicationId, String transactionServiceGroup, String extraData) {
-        this.applicationId = applicationId;
-        this.transactionServiceGroup = transactionServiceGroup;
-        this.extraData = extraData;
-    }
-
-    /**
-     * Gets version.
-     *
-     * @return the version
-     */
-    public String getVersion() {
-        return version;
-    }
-
-    /**
-     * Sets version.
-     *
-     * @param version the version
-     */
-    public void setVersion(String version) {
-        this.version = version;
-    }
-
-    /**
-     * Gets application id.
-     *
-     * @return the application id
-     */
-    public String getApplicationId() {
-        return applicationId;
-    }
-
-    /**
-     * Sets application id.
-     *
-     * @param applicationId the application id
-     */
-    public void setApplicationId(String applicationId) {
-        this.applicationId = applicationId;
-    }
-
-    /**
-     * Gets transaction service group.
-     *
-     * @return the transaction service group
-     */
-    public String getTransactionServiceGroup() {
-        return transactionServiceGroup;
-    }
-
-    /**
-     * Sets transaction service group.
-     *
-     * @param transactionServiceGroup the transaction service group
-     */
-    public void setTransactionServiceGroup(String transactionServiceGroup) {
-        this.transactionServiceGroup = transactionServiceGroup;
-    }
-
-    /**
-     * Gets extra data.
-     *
-     * @return the extra data
-     */
-    public String getExtraData() {
-        return extraData;
-    }
-
-    /**
-     * Sets extra data.
-     *
-     * @param extraData the extra data
-     */
-    public void setExtraData(String extraData) {
-        this.extraData = extraData;
-    }
-
-    /**
-     * The Byte buffer.
-     */
-    public ByteBuffer byteBuffer = ByteBuffer.allocate(10 * 1024);
-
-    /**
-     * Do encode.
-     */
-    protected void doEncode() {
-        byteBuffer.clear();
-        if (this.version != null) {
-            byte[] bs = version.getBytes(UTF8);
-            byteBuffer.putShort((short)bs.length);
-            if (bs.length > 0) {
-                byteBuffer.put(bs);
-            }
-        } else {
-            byteBuffer.putShort((short)0);
-        }
-
-        if (this.applicationId != null) {
-            byte[] bs = applicationId.getBytes(UTF8);
-            byteBuffer.putShort((short)bs.length);
-            if (bs.length > 0) {
-                byteBuffer.put(bs);
-            }
-        } else {
-            byteBuffer.putShort((short)0);
-        }
-
-        if (this.transactionServiceGroup != null) {
-            byte[] bs = transactionServiceGroup.getBytes(UTF8);
-            byteBuffer.putShort((short)bs.length);
-            if (bs.length > 0) {
-                byteBuffer.put(bs);
-            }
-        } else {
-            byteBuffer.putShort((short)0);
-        }
-
-        if (this.extraData != null) {
-            byte[] bs = extraData.getBytes(UTF8);
-            byteBuffer.putShort((short)bs.length);
-            if (bs.length > 0) {
-                byteBuffer.put(bs);
-            }
-        } else {
-            byteBuffer.putShort((short)0);
-        }
-
-    }
-
-    private final byte[] flushEncode() {
-        byteBuffer.flip();
-        byte[] content = new byte[byteBuffer.limit()];
-        byteBuffer.get(content);
-        byteBuffer.clear(); // >?
-        return content;
-    }
-
-    @Override
-    public final byte[] encode() {
-        doEncode();
-        return flushEncode();
-    }
-
-//    @Override
-    public boolean decode(ByteBuf in) {
-
-        short len;
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() < len) {
-            return false;
-        }
-        byte[] bs = new byte[len];
-        in.readBytes(bs);
-        this.setVersion(new String(bs, UTF8));
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() < len) {
-            return false;
-        }
-        bs = new byte[len];
-        in.readBytes(bs);
-        this.setApplicationId(new String(bs, UTF8));
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() < len) {
-            return false;
-        }
-        bs = new byte[len];
-        in.readBytes(bs);
-        this.setTransactionServiceGroup(new String(bs, UTF8));
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() >= len) {
-            bs = new byte[len];
-            in.readBytes(bs);
-            this.setExtraData(new String(bs, UTF8));
-        } else {
-            //maybe null
-        }
-
-        return true;
-    }
-
-    @Override
-    public boolean decode(ByteBuf in,AbstractIdentifyRequest req) {
-
-
-        short len;
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() < len) {
-            return false;
-        }
-        byte[] bs = new byte[len];
-        in.readBytes(bs);
-        req.setVersion(new String(bs, UTF8));
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() < len) {
-            return false;
-        }
-        bs = new byte[len];
-        in.readBytes(bs);
-        req.setApplicationId(new String(bs, UTF8));
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() < len) {
-            return false;
-        }
-        bs = new byte[len];
-        in.readBytes(bs);
-        req.setTransactionServiceGroup(new String(bs, UTF8));
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() >= len) {
-            bs = new byte[len];
-            in.readBytes(bs);
-            req.setExtraData(new String(bs, UTF8));
-        } else {
-            //maybe null
-        }
-
-        return true;
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyResponseV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyResponseV0.java
deleted file mode 100644
index e90a3f6bac6..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractIdentifyResponseV0.java
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.Version;
-
-/**
- * The type Abstract identify response.
- *
- * @author sharajava
- */
-public abstract class AbstractIdentifyResponseV0 extends AbstractResultMessageV0 {
-
-    protected String version = Version.getCurrent();
-
-    private String extraData;
-
-    private boolean identified;
-
-    /**
-     * Gets version.
-     *
-     * @return the version
-     */
-    public String getVersion() {
-        return version;
-    }
-
-    /**
-     * Sets version.
-     *
-     * @param version the version
-     */
-    public void setVersion(String version) {
-        this.version = version;
-    }
-
-    /**
-     * Gets extra data.
-     *
-     * @return the extra data
-     */
-    public String getExtraData() {
-        return extraData;
-    }
-
-    /**
-     * Sets extra data.
-     *
-     * @param extraData the extra data
-     */
-    public void setExtraData(String extraData) {
-        this.extraData = extraData;
-    }
-
-    /**
-     * Is identified boolean.
-     *
-     * @return the boolean
-     */
-    public boolean isIdentified() {
-        return identified;
-    }
-
-    /**
-     * Sets identified.
-     *
-     * @param identified the identified
-     */
-    public void setIdentified(boolean identified) {
-        this.identified = identified;
-    }
-
-    @Override
-    public void doEncode() {
-        //        super.doEncode();
-        byteBuffer.put(this.identified ? (byte)1 : (byte)0);
-        if (this.version != null) {
-            byte[] bs = version.getBytes(UTF8);
-            byteBuffer.putShort((short)bs.length);
-            if (bs.length > 0) {
-                byteBuffer.put(bs);
-            }
-        } else {
-            byteBuffer.putShort((short)0);
-        }
-
-    }
-
-    @Override
-    public boolean decode(ByteBuf in) {
-        if (in.readableBytes() < 3) {
-            return false;
-        }
-        this.identified = in.readByte() == 1;
-        short len = in.readShort();
-        if (len <= 0) {
-            return false;
-        }
-        if (in.readableBytes() < len) {
-            return false;
-        }
-        byte[] bs = new byte[len];
-        in.readBytes(bs);
-        this.setVersion(new String(bs, UTF8));
-        return true;
-
-    }
-
-    @Override
-    public String toString() {
-        StringBuilder result = new StringBuilder();
-        result.append("version=");
-        result.append(version);
-        result.append(",");
-        result.append("extraData=");
-        result.append(extraData);
-        result.append(",");
-        result.append("identified=");
-        result.append(identified);
-        result.append(",");
-        result.append("resultCode=");
-        result.append(getResultCode());
-        result.append(",");
-        result.append("msg=");
-        result.append(getMsg());
-
-        return result.toString();
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractMessageV0.java
deleted file mode 100644
index 4d4d9627140..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractMessageV0.java
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import io.seata.common.Constants;
-import io.seata.core.protocol.AbstractIdentifyRequest;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.rpc.netty.v0.MessageCodecV0;
-
-import java.io.Serializable;
-import java.nio.charset.Charset;
-
-/**
- * The type Abstract message.
- *
- * @author jimin.jm @alibaba-inc.com
- * @date 2018 /9/14
- */
-public abstract class AbstractMessageV0<T> implements MessageCodecV0<T>, Serializable {
-    private static final long serialVersionUID = -1441020418526899889L;
-
-    /**
-     * The constant UTF8.
-     */
-    protected static final Charset UTF8 = Constants.DEFAULT_CHARSET;
-    /**
-     * The Ctx.
-     */
-    protected ChannelHandlerContext ctx;
-
-    /**
-     * Bytes to int int.
-     *
-     * @param bytes  the bytes
-     * @param offset the offset
-     * @return the int
-     */
-    public static int bytesToInt(byte[] bytes, int offset) {
-        int ret = 0;
-        for (int i = 0; i < 4 && i + offset < bytes.length; i++) {
-            ret <<= 8;
-            ret |= (int)bytes[i + offset] & 0xFF;
-        }
-        return ret;
-    }
-
-    /**
-     * Int to bytes.
-     *
-     * @param i      the
-     * @param bytes  the bytes
-     * @param offset the offset
-     */
-    public static void intToBytes(int i, byte[] bytes, int offset) {
-        bytes[offset] = (byte)((i >> 24) & 0xFF);
-        bytes[offset + 1] = (byte)((i >> 16) & 0xFF);
-        bytes[offset + 2] = (byte)((i >> 8) & 0xFF);
-        bytes[offset + 3] = (byte)(i & 0xFF);
-    }
-
-    @Override
-    public boolean decode(ByteBuf in, T req){
-        return false;
-    }
-
-    /**
-     * Gets msg instance by code.
-     *
-     * @param typeCode the type code
-     * @return the msg instance by code
-     */
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractResultMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractResultMessageV0.java
deleted file mode 100644
index 04b5a46af97..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/AbstractResultMessageV0.java
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.AbstractResultMessage;
-import io.seata.core.protocol.ResultCode;
-
-import java.nio.ByteBuffer;
-
-/**
- * The type Abstract result message.
- *
- * @author jimin.jm @alibaba-inc.com
- * @date 2018 /9/14
- */
-public abstract class AbstractResultMessageV0 extends AbstractMessageV0<AbstractResultMessage> implements MergedMessageV0 {
-    private static final long serialVersionUID = 6540352050650203313L;
-
-    private ResultCode resultCode;
-
-    /**
-     * The Byte buffer.
-     */
-    public ByteBuffer byteBuffer = ByteBuffer.allocate(512);
-
-    /**
-     * Gets result code.
-     *
-     * @return the result code
-     */
-    public ResultCode getResultCode() {
-        return resultCode;
-    }
-
-    /**
-     * Sets result code.
-     *
-     * @param resultCode the result code
-     */
-    public void setResultCode(ResultCode resultCode) {
-        this.resultCode = resultCode;
-    }
-
-    private String msg;
-
-    /**
-     * Gets msg.
-     *
-     * @return the msg
-     */
-    public String getMsg() {
-        return msg;
-    }
-
-    /**
-     * Sets msg.
-     *
-     * @param msg the msg
-     */
-    public void setMsg(String msg) {
-        this.msg = msg;
-    }
-
-    /**
-     * Do encode.
-     */
-    protected void doEncode() {
-        byteBuffer.put((byte)resultCode.ordinal());
-        if (resultCode == ResultCode.Failed) {
-            if (getMsg() != null) {
-                String msg;
-                if (getMsg().length() > 128) {
-                    msg = getMsg().substring(0, 128);
-                } else {
-                    msg = getMsg();
-                }
-                byte[] bs = msg.getBytes(UTF8);
-                if (bs.length > 400 && getMsg().length() > 64) {
-                    msg = getMsg().substring(0, 64);
-                    bs = msg.getBytes(UTF8);
-                }
-                byteBuffer.putShort((short)bs.length);
-                if (bs.length > 0) {
-                    byteBuffer.put(bs);
-                }
-            } else {
-                byteBuffer.putShort((short)0);
-            }
-        }
-    }
-
-    private final byte[] flushEncode() {
-        byteBuffer.flip();
-        byte[] content = new byte[byteBuffer.limit()];
-        byteBuffer.get(content);
-        byteBuffer.clear(); // >?
-        return content;
-    }
-
-    @Override
-    public final byte[] encode() {
-        doEncode();
-        return flushEncode();
-    }
-
-    @Override
-    public void decode(ByteBuffer byteBuffer) {
-        setResultCode(ResultCode.get(byteBuffer.get()));
-        if (resultCode == ResultCode.Failed) {
-            short len = byteBuffer.getShort();
-            if (len > 0) {
-                byte[] msg = new byte[len];
-                byteBuffer.get(msg);
-                this.setMsg(new String(msg, UTF8));
-            }
-        }
-    }
-
-    @Override
-    public boolean decode(ByteBuf in,AbstractResultMessage resultMessage) {
-        if (in.readableBytes() < 1) {
-            return false;
-        }
-        resultMessage.setResultCode(ResultCode.get(in.readByte()));
-        if (resultCode == ResultCode.Failed) {
-            if (in.readableBytes() < 2) {
-                return false;
-            }
-            short len = in.readShort();
-            if (in.readableBytes() < len) {
-                return false;
-            }
-            if (len > 0) {
-                byte[] msg = new byte[len];
-                in.readBytes(msg);
-                resultMessage.setMsg(new String(msg, UTF8));
-            }
-        }
-        return true;
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/MergedMessageV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/MergedMessageV0.java
deleted file mode 100644
index 1938b8dc27f..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/MergedMessageV0.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-import java.nio.ByteBuffer;
-
-/**
- * The interface Merged message.
- *
- * @author jimin.jm @alibaba-inc.com
- * @date 2018 /9/17
- */
-public interface MergedMessageV0 {
-    /**
-     * Decode.
-     *
-     * @param byteBuffer the byte buffer
-     */
-    void decode(ByteBuffer byteBuffer);
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMRequestV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMRequestV0.java
deleted file mode 100644
index 632fbbb7021..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMRequestV0.java
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-import io.netty.buffer.ByteBuf;
-
-import java.io.Serializable;
-
-import static io.seata.core.protocol.MessageType.TYPE_REG_RM;
-
-/**
- * The type Register rm request.
- *
- * @author jimin.jm @alibaba-inc.com
- * @date 2018 /10/10
- */
-public class RegisterRMRequestV0 extends AbstractIdentifyRequestV0 implements Serializable {
-    private static final long serialVersionUID = 7539732523682335742L;
-
-    private String resourceIds;
-
-    /**
-     * Instantiates a new Register rm request.
-     */
-    public RegisterRMRequestV0() {
-        this(null, null);
-    }
-
-    /**
-     * Instantiates a new Register rm request.
-     *
-     * @param applicationId           the application id
-     * @param transactionServiceGroup the transaction service group
-     */
-    public RegisterRMRequestV0(String applicationId, String transactionServiceGroup) {
-        super(applicationId, transactionServiceGroup);
-    }
-
-    /**
-     * Gets resource ids.
-     *
-     * @return the resource ids
-     */
-    public String getResourceIds() {
-        return resourceIds;
-    }
-
-    /**
-     * Sets resource ids.
-     *
-     * @param resourceIds the resource ids
-     */
-    public void setResourceIds(String resourceIds) {
-        this.resourceIds = resourceIds;
-    }
-
-    @Override
-    public short getTypeCode() {
-        return TYPE_REG_RM;
-    }
-
-    @Override
-    protected void doEncode() {
-        super.doEncode();
-        if (this.resourceIds != null) {
-            byte[] bs = resourceIds.getBytes(UTF8);
-            byteBuffer.putInt(bs.length);
-            if (bs.length > 0) {
-                byteBuffer.put(bs);
-            }
-        } else {
-            byteBuffer.putInt(0);
-        }
-    }
-
-    @Override
-    public boolean decode(ByteBuf in) {
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        short len = in.readShort();
-        if (len > 0) {
-            if (in.readableBytes() < len) {
-                return false;
-            }
-            byte[] bs = new byte[len];
-            in.readBytes(bs);
-            this.setVersion(new String(bs, UTF8));
-        } else {
-            return false;
-        }
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (len > 0) {
-            if (in.readableBytes() < len) {
-                return false;
-            }
-            byte[] bs = new byte[len];
-            in.readBytes(bs);
-            this.setApplicationId(new String(bs, UTF8));
-        }
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (in.readableBytes() < len) {
-            return false;
-        }
-        byte[] bs = new byte[len];
-        in.readBytes(bs);
-        this.setTransactionServiceGroup(new String(bs, UTF8));
-
-        if (in.readableBytes() < 2) {
-            return false;
-        }
-        len = in.readShort();
-
-        if (len > 0) {
-            if (in.readableBytes() < len) {
-                return false;
-            }
-            bs = new byte[len];
-            in.readBytes(bs);
-            this.setExtraData(new String(bs, UTF8));
-        }
-
-        int iLen;
-        if (in.readableBytes() < 4) {
-            return false;
-        }
-        iLen = in.readInt();
-
-        if (iLen > 0) {
-            if (in.readableBytes() < iLen) {
-                return false;
-            }
-            bs = new byte[iLen];
-            in.readBytes(bs);
-            this.setResourceIds(new String(bs, UTF8));
-            return true;
-        }
-        //maybe null
-
-        return true;
-    }
-
-    @Override
-    public String toString() {
-        return "RegisterRMRequest{" +
-            "resourceIds='" + resourceIds + '\'' +
-            ", applicationId='" + applicationId + '\'' +
-            ", transactionServiceGroup='" + transactionServiceGroup + '\'' +
-            '}';
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMResponseV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMResponseV0.java
deleted file mode 100644
index 15b02401315..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterRMResponseV0.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-
-import io.seata.core.protocol.MessageType;
-
-import java.io.Serializable;
-
-/**
- * The type Register rm response.
- *
- * @author jimin.jm @alibaba-inc.com
- * @date 2018 /10/10
- */
-public class RegisterRMResponseV0 extends AbstractIdentifyResponseV0 implements Serializable {
-    private static final long serialVersionUID = 6391375605848221420L;
-
-    /**
-     * Instantiates a new Register rm response.
-     */
-    public RegisterRMResponseV0() {
-        this(true);
-    }
-
-    /**
-     * Instantiates a new Register rm response.
-     *
-     * @param result the result
-     */
-    public RegisterRMResponseV0(boolean result) {
-        super();
-        setIdentified(result);
-    }
-
-    @Override
-    public short getTypeCode() {
-        return MessageType.TYPE_REG_RM_RESULT;
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMRequestV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMRequestV0.java
deleted file mode 100644
index d2e2bfa0c5c..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMRequestV0.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-
-import io.seata.core.protocol.MessageType;
-
-import java.io.Serializable;
-
-/**
- * The type Register tm request.
- *
- * @author jimin.jm @alibaba-inc.com
- * @date 2018 /10/15
- */
-public class RegisterTMRequestV0 extends AbstractIdentifyRequestV0 implements Serializable {
-    private static final long serialVersionUID = -5929081344190543690L;
-
-    /**
-     * Instantiates a new Register tm request.
-     */
-    public RegisterTMRequestV0() {
-        this(null, null);
-    }
-
-    /**
-     * Instantiates a new Register tm request.
-     *
-     * @param applicationId           the application id
-     * @param transactionServiceGroup the transaction service group
-     * @param extraData               the extra data
-     */
-    public RegisterTMRequestV0(String applicationId, String transactionServiceGroup, String extraData) {
-        super(applicationId, transactionServiceGroup, extraData);
-
-    }
-
-    /**
-     * Instantiates a new Register tm request.
-     *
-     * @param applicationId           the application id
-     * @param transactionServiceGroup the transaction service group
-     */
-    public RegisterTMRequestV0(String applicationId, String transactionServiceGroup) {
-        super(applicationId, transactionServiceGroup);
-    }
-
-    @Override
-    public short getTypeCode() {
-        return MessageType.TYPE_REG_CLT;
-    }
-
-    @Override
-    public String toString() {
-        return "RegisterTMRequest{" +
-            "applicationId='" + applicationId + '\'' +
-            ", transactionServiceGroup='" + transactionServiceGroup + '\'' +
-            '}';
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMResponseV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMResponseV0.java
deleted file mode 100644
index 89196224514..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/RegisterTMResponseV0.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-
-import io.seata.core.protocol.MessageType;
-
-import java.io.Serializable;
-
-/**
- * The type Register tm response.
- *
- * @author jimin.jm @alibaba-inc.com
- * @date 2018 /10/15
- */
-public class RegisterTMResponseV0 extends AbstractIdentifyResponseV0 implements Serializable {
-    private static final long serialVersionUID = 3629846050062228749L;
-
-    /**
-     * Instantiates a new Register tm response.
-     */
-    public RegisterTMResponseV0() {
-        this(true);
-    }
-
-    /**
-     * Instantiates a new Register tm response.
-     *
-     * @param result the result
-     */
-    public RegisterTMResponseV0(boolean result) {
-        super();
-        setIdentified(result);
-    }
-
-    @Override
-    public short getTypeCode() {
-        return MessageType.TYPE_REG_CLT_RESULT;
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/SeataV0Serializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/SeataV0Serializer.java
deleted file mode 100644
index ed35f987b1b..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0_1/SeataV0Serializer.java
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v0_1;
-
-import io.seata.core.protocol.MessageType;
-import io.seata.core.rpc.netty.v0.MessageCodecV0;
-import io.seata.core.rpc.netty.v0.SerializerV0;
-
-/**
- * The Seata codec v0.
- *
- * @author Bughue
- */
-public class SeataV0Serializer implements SerializerV0 {
-
-    public SeataV0Serializer() {
-
-    }
-
-
-    @Override
-    public MessageCodecV0 getMsgInstanceByCode(short typeCode) {
-        MessageCodecV0 msgCodec = null;
-        switch (typeCode) {
-//            case MessageType.TYPE_SEATA_MERGE:
-//                msgCodec = new MergedWarpMessage();
-//                break;
-//            case MessageType.TYPE_SEATA_MERGE_RESULT:
-//                msgCodec = new MergeResultMessage();
-//                break;
-            case MessageType.TYPE_REG_CLT:
-                msgCodec = new RegisterTMRequestV0();
-                break;
-            case MessageType.TYPE_REG_CLT_RESULT:
-                msgCodec = new RegisterTMResponseV0();
-                break;
-            case MessageType.TYPE_REG_RM:
-                msgCodec = new RegisterRMRequestV0();
-                break;
-            case MessageType.TYPE_REG_RM_RESULT:
-                msgCodec = new RegisterRMResponseV0();
-                break;
-//            case MessageType.TYPE_BRANCH_COMMIT:
-//                msgCodec = new BranchCommitRequest();
-//                break;
-//            case MessageType.TYPE_BRANCH_ROLLBACK:
-//                msgCodec = new BranchRollbackRequest();
-//                break;
-            default:
-                break;
-        }
-
-        if (null != msgCodec) {
-            return msgCodec;
-        }
-
-        try {
-            msgCodec = (MessageCodecV0) getMergeRequestInstanceByCode(typeCode);
-        } catch (Exception exx) {
-
-        }
-        if (null != msgCodec) {
-            return msgCodec;
-        }
-
-        return (MessageCodecV0)getMergeResponseInstanceByCode(typeCode);
-    }
-
-    /**
-     * Gets merge request instance by code.
-     *
-     * @param typeCode the type code
-     * @return the merge request instance by code
-     */
-    public static MergedMessageV0 getMergeRequestInstanceByCode(int typeCode) {
-        switch (typeCode) {
-//            case MessageType.TYPE_GLOBAL_BEGIN:
-//                return new GlobalBeginRequest();
-//            case MessageType.TYPE_GLOBAL_COMMIT:
-//                return new GlobalCommitRequest();
-//            case MessageType.TYPE_GLOBAL_ROLLBACK:
-//                return new GlobalRollbackRequest();
-//            case MessageType.TYPE_GLOBAL_STATUS:
-//                return new GlobalStatusRequest();
-//            case MessageType.TYPE_GLOBAL_LOCK_QUERY:
-//                return new GlobalLockQueryRequest();
-//            case MessageType.TYPE_BRANCH_REGISTER:
-//                return new BranchRegisterRequest();
-//            case MessageType.TYPE_BRANCH_STATUS_REPORT:
-//                return new BranchReportRequest();
-            default:
-                throw new IllegalArgumentException("not support typeCode," + typeCode);
-        }
-    }
-
-    /**
-     * Gets merge response instance by code.
-     *
-     * @param typeCode the type code
-     * @return the merge response instance by code
-     */
-    public static MergedMessageV0 getMergeResponseInstanceByCode(int typeCode) {
-        switch (typeCode) {
-//            case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
-//                return new GlobalBeginResponse();
-//            case MessageType.TYPE_GLOBAL_COMMIT_RESULT:
-//                return new GlobalCommitResponse();
-//            case MessageType.TYPE_GLOBAL_ROLLBACK_RESULT:
-//                return new GlobalRollbackResponse();
-//            case MessageType.TYPE_GLOBAL_STATUS_RESULT:
-//                return new GlobalStatusResponse();
-//            case MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT:
-//                return new GlobalLockQueryResponse();
-//            case MessageType.TYPE_BRANCH_REGISTER_RESULT:
-//                return new BranchRegisterResponse();
-//            case MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT:
-//                return new BranchReportResponse();
-//            case MessageType.TYPE_BRANCH_COMMIT_RESULT:
-//                return new BranchCommitResponse();
-//            case MessageType.TYPE_BRANCH_ROLLBACK_RESULT:
-//                return new BranchRollbackResponse();
-            default:
-                throw new IllegalArgumentException("not support typeCode," + typeCode);
-        }
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
index 3a325a5e7ab..663bdf9f55a 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/AbstractIdentifyRequestCodec.java
@@ -24,8 +24,7 @@
  * The type Abstract identify request codec.
  */
 public abstract class AbstractIdentifyRequestCodec extends AbstractMessageCodec {
-    // todo [5738-discuss][codec] 像这种父类如果是这次的新旧版本都一样，要写成继承吗
-    // todo [5738-discuss][codec] 这些codec类只依靠包区分是否足够？
+
     @Override
     public Class<?> getMessageClassType() {
         return AbstractIdentifyRequest.class;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/BatchResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/BatchResultMessageCodec.java
index ccbf67f5742..5be3557380c 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/BatchResultMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/BatchResultMessageCodec.java
@@ -24,8 +24,8 @@
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.BatchResultMessage;
-import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;
+import io.seata.serializer.seata.MessageCodecFactory;
 
 /**
  * the type batch result message codec
@@ -35,6 +35,7 @@
  */
 public class BatchResultMessageCodec extends AbstractMessageCodec {
 
+    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
     @Override
     public Class<?> getMessageClassType() {
         return BatchResultMessage.class;
@@ -53,7 +54,7 @@ public <T> void encode(T t, ByteBuf out) {
         for (final AbstractMessage msg : msgs) {
             final ByteBuf subBuffer = Unpooled.buffer(1024);
             short typeCode = msg.getTypeCode();
-            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode);
+            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
             messageCodec.encode(msg, subBuffer);
             buffer.writeShort(msg.getTypeCode());
             buffer.writeBytes(subBuffer);
@@ -106,8 +107,8 @@ protected void decode(BatchResultMessage batchResultMessage, ByteBuffer byteBuff
         List<Integer> msgIds = new ArrayList<>();
         for (int idx = 0; idx < msgNum; idx++) {
             short typeCode = byteBuffer.getShort();
-            AbstractMessage abstractResultMessage = MessageCodecFactory.getMessage(typeCode);
-            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode);
+            AbstractMessage abstractResultMessage = factory.getMessage(typeCode);
+            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
             messageCodec.decode(abstractResultMessage, byteBuffer);
             msgs.add((AbstractResultMessage) abstractResultMessage);
         }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergeResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergeResultMessageCodec.java
index 074b2d3a095..4db88e62070 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergeResultMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergeResultMessageCodec.java
@@ -18,11 +18,11 @@
 import java.nio.ByteBuffer;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.MergeResultMessage;
+import io.seata.serializer.seata.MessageCodecFactory;
 
 /**
  * The type Merge result message codec.
@@ -31,6 +31,7 @@
  */
 public class MergeResultMessageCodec extends AbstractMessageCodec {
 
+    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
     @Override
     public Class<?> getMessageClassType() {
         return MergeResultMessage.class;
@@ -48,7 +49,7 @@ public <T> void encode(T t, ByteBuf out) {
             short typeCode = msg.getTypeCode();
             //put typeCode
             out.writeShort(typeCode);
-            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode);
+            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
             messageCodec.encode(msg, out);
         }
 
@@ -90,8 +91,8 @@ protected void decode(MergeResultMessage mergeResultMessage, ByteBuffer byteBuff
         AbstractResultMessage[] msgs = new AbstractResultMessage[msgNum];
         for (int idx = 0; idx < msgNum; idx++) {
             short typeCode = byteBuffer.getShort();
-            AbstractMessage abstractResultMessage = MessageCodecFactory.getMessage(typeCode);
-            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode);
+            AbstractMessage abstractResultMessage = factory.getMessage(typeCode);
+            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
             messageCodec.decode(abstractResultMessage, byteBuffer);
             msgs[idx] = (AbstractResultMessage)abstractResultMessage;
         }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergedWarpMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergedWarpMessageCodec.java
index 0bd7b184caa..fc6e0221df2 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergedWarpMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MergedWarpMessageCodec.java
@@ -21,10 +21,10 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
-import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.MergedWarpMessage;
+import io.seata.serializer.seata.MessageCodecFactory;
 
 /**
  * The type Merged warp message codec.
@@ -33,6 +33,7 @@
  */
 public class MergedWarpMessageCodec extends AbstractMessageCodec {
 
+    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
     @Override
     public Class<?> getMessageClassType() {
         return MergedWarpMessage.class;
@@ -51,7 +52,7 @@ public <T> void encode(T t, ByteBuf out) {
         for (final AbstractMessage msg : msgs) {
             final ByteBuf subBuffer = Unpooled.buffer(1024);
             short typeCode = msg.getTypeCode();
-            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode);
+            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
             messageCodec.encode(msg, subBuffer);
             buffer.writeShort(msg.getTypeCode());
             buffer.writeBytes(subBuffer);
@@ -96,8 +97,8 @@ private void doDecode(MergedWarpMessage mergedWarpMessage, ByteBuffer byteBuffer
         List<AbstractMessage> msgs = new ArrayList<AbstractMessage>();
         for (int idx = 0; idx < msgNum; idx++) {
             short typeCode = byteBuffer.getShort();
-            AbstractMessage abstractMessage = MessageCodecFactory.getMessage(typeCode);
-            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode);
+            AbstractMessage abstractMessage = factory.getMessage(typeCode);
+            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
             messageCodec.decode(abstractMessage, byteBuffer);
             msgs.add(abstractMessage);
         }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java
new file mode 100644
index 00000000000..6e14490fc2e
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java
@@ -0,0 +1,184 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.serializer.seata.protocol.v1;
+
+import io.seata.core.protocol.MessageType;
+import io.seata.serializer.seata.MessageSeataCodec;
+import io.seata.serializer.seata.MessageCodecFactory;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchCommitRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchCommitResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchRegisterRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchRegisterResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchReportRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchReportResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchRollbackRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.BranchRollbackResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalBeginRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalBeginResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalCommitRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalCommitResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalLockQueryRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalLockQueryResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalReportRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalReportResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalRollbackRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalRollbackResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalStatusRequestCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.GlobalStatusResponseCodec;
+import io.seata.serializer.seata.protocol.v1.transaction.UndoLogDeleteRequestCodec;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * The type Message codec factory.
+ *
+ * @author zhangsen
+ */
+public class MessageCodecFactoryV1 extends MessageCodecFactory {
+    /**
+     * The constant UTF8.
+     */
+    protected static final Charset UTF8 = StandardCharsets.UTF_8;
+
+    /**
+     * Gets msg instance by code.
+     *
+     * @param typeCode the type code
+     * @return the msg instance by code
+     */
+    public MessageSeataCodec getMessageCodec(short typeCode) {
+        MessageSeataCodec msgCodec = null;
+        switch (typeCode) {
+            case MessageType.TYPE_SEATA_MERGE:
+                msgCodec = new MergedWarpMessageCodec();
+                break;
+            case MessageType.TYPE_SEATA_MERGE_RESULT:
+                msgCodec = new MergeResultMessageCodec();
+                break;
+            case MessageType.TYPE_REG_CLT:
+                msgCodec = new RegisterTMRequestCodec();
+                break;
+            case MessageType.TYPE_REG_CLT_RESULT:
+                msgCodec = new RegisterTMResponseCodec();
+                break;
+            case MessageType.TYPE_REG_RM:
+                msgCodec = new RegisterRMRequestCodec();
+                break;
+            case MessageType.TYPE_REG_RM_RESULT:
+                msgCodec = new RegisterRMResponseCodec();
+                break;
+            case MessageType.TYPE_BRANCH_COMMIT:
+                msgCodec = new BranchCommitRequestCodec();
+                break;
+            case MessageType.TYPE_BRANCH_ROLLBACK:
+                msgCodec = new BranchRollbackRequestCodec();
+                break;
+            case MessageType.TYPE_GLOBAL_REPORT:
+                msgCodec = new GlobalReportRequestCodec();
+                break;
+            case MessageType.TYPE_BATCH_RESULT_MSG:
+                msgCodec = new BatchResultMessageCodec();
+                break;
+            default:
+                break;
+        }
+
+        if (msgCodec != null) {
+            return msgCodec;
+        }
+
+        try {
+            msgCodec = getMergeRequestMessageSeataCodec(typeCode);
+        } catch (Exception exx) {
+        }
+
+        if (msgCodec != null) {
+            return msgCodec;
+        }
+
+        msgCodec = getMergeResponseMessageSeataCodec(typeCode);
+
+        return msgCodec;
+    }
+
+    /**
+     * Gets merge request instance by code.
+     *
+     * @param typeCode the type code
+     * @return the merge request instance by code
+     */
+    protected static MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode) {
+        switch (typeCode) {
+            case MessageType.TYPE_GLOBAL_BEGIN:
+                return new GlobalBeginRequestCodec();
+            case MessageType.TYPE_GLOBAL_COMMIT:
+                return new GlobalCommitRequestCodec();
+            case MessageType.TYPE_GLOBAL_ROLLBACK:
+                return new GlobalRollbackRequestCodec();
+            case MessageType.TYPE_GLOBAL_STATUS:
+                return new GlobalStatusRequestCodec();
+            case MessageType.TYPE_GLOBAL_LOCK_QUERY:
+                return new GlobalLockQueryRequestCodec();
+            case MessageType.TYPE_BRANCH_REGISTER:
+                return new BranchRegisterRequestCodec();
+            case MessageType.TYPE_BRANCH_STATUS_REPORT:
+                return new BranchReportRequestCodec();
+            case MessageType.TYPE_GLOBAL_REPORT:
+                return new GlobalReportRequestCodec();
+            default:
+                throw new IllegalArgumentException("not support typeCode," + typeCode);
+        }
+    }
+
+    /**
+     * Gets merge response instance by code.
+     *
+     * @param typeCode the type code
+     * @return the merge response instance by code
+     */
+    protected static MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode) {
+        switch (typeCode) {
+            case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
+                return new GlobalBeginResponseCodec();
+            case MessageType.TYPE_GLOBAL_COMMIT_RESULT:
+                return new GlobalCommitResponseCodec();
+            case MessageType.TYPE_GLOBAL_ROLLBACK_RESULT:
+                return new GlobalRollbackResponseCodec();
+            case MessageType.TYPE_GLOBAL_STATUS_RESULT:
+                return new GlobalStatusResponseCodec();
+            case MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT:
+                return new GlobalLockQueryResponseCodec();
+            case MessageType.TYPE_BRANCH_REGISTER_RESULT:
+                return new BranchRegisterResponseCodec();
+            case MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT:
+                return new BranchReportResponseCodec();
+            case MessageType.TYPE_BRANCH_COMMIT_RESULT:
+                return new BranchCommitResponseCodec();
+            case MessageType.TYPE_BRANCH_ROLLBACK_RESULT:
+                return new BranchRollbackResponseCodec();
+            case MessageType.TYPE_RM_DELETE_UNDOLOG:
+                return new UndoLogDeleteRequestCodec();
+            case MessageType.TYPE_GLOBAL_REPORT_RESULT:
+                return new GlobalReportResponseCodec();
+            default:
+                throw new IllegalArgumentException("not support typeCode," + typeCode);
+        }
+    }
+
+
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataV1Serializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataV1Serializer.java
deleted file mode 100644
index b2e46218984..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataV1Serializer.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- *  Copyright 1999-2019 Seata.io Group.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package io.seata.serializer.seata.protocol.v1;
-
-import com.sun.tools.javac.util.Pair;
-import io.seata.common.loader.LoadLevel;
-import io.seata.core.protocol.MessageType;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.RegisterRMRequest;
-import io.seata.core.protocol.RegisterRMResponse;
-import io.seata.core.protocol.RegisterTMRequest;
-import io.seata.core.protocol.RegisterTMResponse;
-import io.seata.serializer.seata.SeataAbstractSerializer;
-
-/**
- * The Seata codec v1.
- *
- * @author Bughue
- */
-@LoadLevel(name = "SEATA", version = ProtocolConstants.VERSION_1)
-public class SeataV1Serializer extends SeataAbstractSerializer {
-
-    public SeataV1Serializer() {
-        classMap.put(MessageType.TYPE_REG_CLT, new Pair<>(RegisterTMRequestCodec.class, RegisterTMRequest.class));
-        classMap.put(MessageType.TYPE_REG_CLT_RESULT, new Pair<>(RegisterTMResponseCodec.class, RegisterTMResponse.class));
-        classMap.put(MessageType.TYPE_REG_RM, new Pair<>(RegisterRMRequestCodec.class, RegisterRMRequest.class));
-        classMap.put(MessageType.TYPE_REG_RM_RESULT, new Pair<>(RegisterRMResponseCodec.class, RegisterRMResponse.class));
-
-    }
-
-
-
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.rpc.netty.v0.SerializerV0 b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.rpc.netty.v0.SerializerV0
deleted file mode 100644
index 07bab05d194..00000000000
--- a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.rpc.netty.v0.SerializerV0
+++ /dev/null
@@ -1 +0,0 @@
-io.seata.serializer.seata.protocol.v0_1.SeataV0Serializer
\ No newline at end of file
diff --git a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
index d448c8d46fb..0d76176a84c 100644
--- a/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
+++ b/serializer/seata-serializer-seata/src/main/resources/META-INF/services/io.seata.core.serializer.Serializer
@@ -1,2 +1 @@
-io.seata.serializer.seata.protocol.v1.SeataV1Serializer
-io.seata.serializer.seata.protocol.v0.SeataV0Serializer
+io.seata.serializer.seata.SeataSerializer
\ No newline at end of file

From 67c5a3006c86b04326abcada2e0d226878fe5300 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 13 Nov 2023 14:06:46 +0800
Subject: [PATCH 13/22] application.example.yml

---
 test-protocol-mock-server/pom.xml             | 52 +++++++++++
 .../seata/mock/protocol/MockNettyClient.java  | 89 +++++++++++++++++++
 .../mock/protocol/MockServerApplication.java  | 32 +++++++
 .../mock/protocol/rm/v1/MockRmClient.java     | 21 +++++
 .../mock/protocol/tm/v1/MockTmClient.java     | 26 ++++++
 .../src/test/resources/README.md              |  2 +
 .../src/test/resources/logback.xml            | 29 ++++++
 7 files changed, 251 insertions(+)
 create mode 100644 test-protocol-mock-server/pom.xml
 create mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
 create mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockServerApplication.java
 create mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/rm/v1/MockRmClient.java
 create mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
 create mode 100644 test-protocol-mock-server/src/test/resources/README.md
 create mode 100755 test-protocol-mock-server/src/test/resources/logback.xml

diff --git a/test-protocol-mock-server/pom.xml b/test-protocol-mock-server/pom.xml
new file mode 100644
index 00000000000..6fdc4a271c9
--- /dev/null
+++ b/test-protocol-mock-server/pom.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~  Copyright 1999-2019 Seata.io Group.
+  ~
+  ~  Licensed under the Apache License, Version 2.0 (the "License");
+  ~  you may not use this file except in compliance with the License.
+  ~  You may obtain a copy of the License at
+  ~
+  ~       http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~  Unless required by applicable law or agreed to in writing, software
+  ~  distributed under the License is distributed on an "AS IS" BASIS,
+  ~  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~  See the License for the specific language governing permissions and
+  ~  limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>io.seata</groupId>
+        <artifactId>seata-parent</artifactId>
+        <version>${revision}</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>seata-test-protocol-mock-server</artifactId>
+    <packaging>jar</packaging>
+    <name>seata-test-protocol-mock-server ${project.version}</name>
+    <description>test for Seata protocol</description>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>seata-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+
+
+</project>
\ No newline at end of file
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
new file mode 100644
index 00000000000..c7f0a5cb8ef
--- /dev/null
+++ b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
@@ -0,0 +1,89 @@
+package io.seata.mock.protocol;
+
+import io.netty.channel.Channel;
+import io.netty.util.concurrent.EventExecutorGroup;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.MessageType;
+import io.seata.core.rpc.netty.AbstractNettyRemotingClient;
+import io.seata.core.rpc.netty.NettyClientConfig;
+import io.seata.core.rpc.netty.NettyPoolKey;
+import io.seata.core.rpc.processor.client.ClientHeartbeatProcessor;
+import io.seata.core.rpc.processor.client.ClientOnResponseProcessor;
+import io.seata.core.rpc.processor.client.RmBranchCommitProcessor;
+import io.seata.core.rpc.processor.client.RmBranchRollbackProcessor;
+import io.seata.core.rpc.processor.client.RmUndoLogProcessor;
+
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.function.Function;
+
+/**
+ * ?
+ *
+ * @author minghua.xie
+ * @date 2023/11/10
+ **/
+public class MockNettyClient extends AbstractNettyRemotingClient {
+    public MockNettyClient(NettyClientConfig nettyClientConfig, EventExecutorGroup eventExecutorGroup, ThreadPoolExecutor messageExecutor, NettyPoolKey.TransactionRole transactionRole) {
+        super(nettyClientConfig, eventExecutorGroup, messageExecutor, transactionRole);
+    }
+
+    @Override
+    public void onRegisterMsgSuccess(String serverAddress, Channel channel, Object response, AbstractMessage requestMessage) {
+
+    }
+
+    @Override
+    public void onRegisterMsgFail(String serverAddress, Channel channel, Object response, AbstractMessage requestMessage) {
+
+    }
+
+    @Override
+    protected Function<String, NettyPoolKey> getPoolKeyFunction() {
+        return null;
+    }
+
+    @Override
+    protected String getTransactionServiceGroup() {
+        return null;
+    }
+
+    @Override
+    protected boolean isEnableClientBatchSendRequest() {
+        return false;
+    }
+
+    @Override
+    protected long getRpcRequestTimeout() {
+        return 0;
+    }
+
+
+    private void registerProcessor() {
+        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
+        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
+
+        super.registerProcessor(MessageType.TYPE_SEATA_MERGE_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT, onResponseProcessor, null);
+
+
+        super.registerProcessor(MessageType.TYPE_REG_RM_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_RM_DELETE_UNDOLOG, rmUndoLogProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_BRANCH_COMMIT, rmBranchCommitProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_BRANCH_ROLLBACK, rmBranchRollbackProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_BRANCH_REGISTER_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT, onResponseProcessor, null);
+
+
+        super.registerProcessor(MessageType.TYPE_GLOBAL_BEGIN_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_COMMIT_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_REPORT_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_ROLLBACK_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_STATUS_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_REG_CLT_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
+        // 2.registry heartbeat message processor
+        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
+        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
+    }
+}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockServerApplication.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockServerApplication.java
new file mode 100644
index 00000000000..05eb05e3959
--- /dev/null
+++ b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockServerApplication.java
@@ -0,0 +1,32 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mock.protocol;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+import java.io.IOException;
+
+/**
+ * @author spilledyear@outlook.com
+ */
+@SpringBootApplication(scanBasePackages = {"io.seata.mock.protocol"})
+public class MockServerApplication {
+    public static void main(String[] args) throws IOException {
+        // run the spring-boot application
+        SpringApplication.run(MockServerApplication.class, args);
+    }
+}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/rm/v1/MockRmClient.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/rm/v1/MockRmClient.java
new file mode 100644
index 00000000000..327699ab7f7
--- /dev/null
+++ b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/rm/v1/MockRmClient.java
@@ -0,0 +1,21 @@
+package io.seata.mock.protocol.rm.v1;
+
+import io.netty.util.concurrent.EventExecutorGroup;
+import io.seata.core.rpc.netty.NettyClientConfig;
+import io.seata.core.rpc.netty.NettyPoolKey;
+import io.seata.mock.protocol.MockNettyClient;
+
+import java.util.concurrent.ThreadPoolExecutor;
+
+/**
+ * ?
+ *
+ * @author minghua.xie
+ * @date 2023/11/10
+ **/
+public class MockRmClient extends MockNettyClient {
+    public MockRmClient(NettyClientConfig nettyClientConfig, EventExecutorGroup eventExecutorGroup, ThreadPoolExecutor messageExecutor, NettyPoolKey.TransactionRole transactionRole) {
+        super(nettyClientConfig, eventExecutorGroup, messageExecutor, transactionRole);
+    }
+
+}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
new file mode 100644
index 00000000000..a82df504644
--- /dev/null
+++ b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
@@ -0,0 +1,26 @@
+package io.seata.mock.protocol.tm.v1;
+
+import io.netty.channel.Channel;
+import io.netty.util.concurrent.EventExecutorGroup;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.rpc.netty.AbstractNettyRemotingClient;
+import io.seata.core.rpc.netty.NettyClientConfig;
+import io.seata.core.rpc.netty.NettyPoolKey;
+import io.seata.mock.protocol.MockNettyClient;
+
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.function.Function;
+
+/**
+ * ?
+ *
+ * @author minghua.xie
+ * @date 2023/11/10
+ **/
+public class MockTmClient extends MockNettyClient {
+    public MockTmClient(NettyClientConfig nettyClientConfig, EventExecutorGroup eventExecutorGroup, ThreadPoolExecutor messageExecutor, NettyPoolKey.TransactionRole transactionRole) {
+        super(nettyClientConfig, eventExecutorGroup, messageExecutor, transactionRole);
+    }
+
+
+}
diff --git a/test-protocol-mock-server/src/test/resources/README.md b/test-protocol-mock-server/src/test/resources/README.md
new file mode 100644
index 00000000000..fc7352a038a
--- /dev/null
+++ b/test-protocol-mock-server/src/test/resources/README.md
@@ -0,0 +1,2 @@
+## seata 多版本协议 mock server
+##
\ No newline at end of file
diff --git a/test-protocol-mock-server/src/test/resources/logback.xml b/test-protocol-mock-server/src/test/resources/logback.xml
new file mode 100755
index 00000000000..b0c85610e45
--- /dev/null
+++ b/test-protocol-mock-server/src/test/resources/logback.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!--
+  ~  Copyright 1999-2019 Seata.io Group.
+  ~
+  ~  Licensed under the Apache License, Version 2.0 (the "License");
+  ~  you may not use this file except in compliance with the License.
+  ~  You may obtain a copy of the License at
+  ~
+  ~       http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~  Unless required by applicable law or agreed to in writing, software
+  ~  distributed under the License is distributed on an "AS IS" BASIS,
+  ~  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~  See the License for the specific language governing permissions and
+  ~  limitations under the License.
+  -->
+
+<configuration>
+	<!-- Console output log -->
+	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+		<layout class="ch.qos.logback.classic.PatternLayout">
+			<Pattern>%date [SEATA] [%thread] %-5level %logger{80} - %msg%n</Pattern>
+		</layout>
+	</appender>
+
+	<root level="INFO">
+		<appender-ref ref="STDOUT" />
+	</root>
+</configuration>

From 45d1cf18b85ca6c6453fb43b6c11bff696ca53a5 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 14 Nov 2023 18:00:57 +0800
Subject: [PATCH 14/22] mock

---
 .../rpc/processor/server/RegTmProcessor.java  |   2 +-
 .../seata/mock/protocol/MockNettyClient.java  |  59 ++++----
 .../mock/protocol/MockRemotingProcessor.java  |  34 +++++
 .../protocol/tc/MockNettyRemotingServer.java  | 132 ++++++++++++++++++
 .../mock/protocol/tm/v1/MockTmClient.java     |  22 ++-
 5 files changed, 216 insertions(+), 33 deletions(-)
 create mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockRemotingProcessor.java
 create mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tc/MockNettyRemotingServer.java

diff --git a/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java b/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
index 1b7deb6f647..601251e821e 100644
--- a/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
+++ b/core/src/main/java/io/seata/core/rpc/processor/server/RegTmProcessor.java
@@ -65,7 +65,7 @@ private void onRegTmMessage(ChannelHandlerContext ctx, RpcMessage rpcMessage) {
         String errorInfo = StringUtils.EMPTY;
         try {
             if (null == checkAuthHandler || checkAuthHandler.regTransactionManagerCheckAuth(message)) {
-                ChannelManager.registerTMChannel(message, ctx.channel(), rpcMessage.getVersion());
+                ChannelManager.registerTMChannel(message, ctx.channel());
                 Version.putChannelVersion(ctx.channel(), message.getVersion());
                 isSuccess = true;
                 if (LOGGER.isDebugEnabled()) {
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
index c7f0a5cb8ef..fad37c5fcc1 100644
--- a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
+++ b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
@@ -8,16 +8,12 @@
 import io.seata.core.rpc.netty.NettyClientConfig;
 import io.seata.core.rpc.netty.NettyPoolKey;
 import io.seata.core.rpc.processor.client.ClientHeartbeatProcessor;
-import io.seata.core.rpc.processor.client.ClientOnResponseProcessor;
-import io.seata.core.rpc.processor.client.RmBranchCommitProcessor;
-import io.seata.core.rpc.processor.client.RmBranchRollbackProcessor;
-import io.seata.core.rpc.processor.client.RmUndoLogProcessor;
 
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.function.Function;
 
 /**
- * ?
+ * mock client
  *
  * @author minghua.xie
  * @date 2023/11/10
@@ -59,31 +55,32 @@ protected long getRpcRequestTimeout() {
 
 
     private void registerProcessor() {
-        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
-        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
-
-        super.registerProcessor(MessageType.TYPE_SEATA_MERGE_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT, onResponseProcessor, null);
-
-
-        super.registerProcessor(MessageType.TYPE_REG_RM_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_RM_DELETE_UNDOLOG, rmUndoLogProcessor, messageExecutor);
-        super.registerProcessor(MessageType.TYPE_BRANCH_COMMIT, rmBranchCommitProcessor, messageExecutor);
-        super.registerProcessor(MessageType.TYPE_BRANCH_ROLLBACK, rmBranchRollbackProcessor, messageExecutor);
-        super.registerProcessor(MessageType.TYPE_BRANCH_REGISTER_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT, onResponseProcessor, null);
-
-
-        super.registerProcessor(MessageType.TYPE_GLOBAL_BEGIN_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_COMMIT_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_REPORT_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_ROLLBACK_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_STATUS_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_REG_CLT_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
-        // 2.registry heartbeat message processor
-        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
-        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
+//        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
+//        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
+//
+//        ;
+//        super.registerProcessor(MessageType.TYPE_SEATA_MERGE_RESULT, new MockRemotingProcessor<>(), null);
+//        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT, onResponseProcessor, null);
+//
+//
+//        super.registerProcessor(MessageType.TYPE_REG_RM_RESULT, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_RM_DELETE_UNDOLOG, rmUndoLogProcessor, messageExecutor);
+//        super.registerProcessor(MessageType.TYPE_BRANCH_COMMIT, rmBranchCommitProcessor, messageExecutor);
+//        super.registerProcessor(MessageType.TYPE_BRANCH_ROLLBACK, rmBranchRollbackProcessor, messageExecutor);
+//        super.registerProcessor(MessageType.TYPE_BRANCH_REGISTER_RESULT, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT, onResponseProcessor, null);
+//
+//
+//        super.registerProcessor(MessageType.TYPE_GLOBAL_BEGIN_RESULT, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_GLOBAL_COMMIT_RESULT, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_GLOBAL_REPORT_RESULT, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_GLOBAL_ROLLBACK_RESULT, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_GLOBAL_STATUS_RESULT, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_REG_CLT_RESULT, onResponseProcessor, null);
+//        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
+//        // 2.registry heartbeat message processor
+//        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
+//        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
     }
 }
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockRemotingProcessor.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockRemotingProcessor.java
new file mode 100644
index 00000000000..ddacffc3eb3
--- /dev/null
+++ b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockRemotingProcessor.java
@@ -0,0 +1,34 @@
+package io.seata.mock.protocol;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.RemotingServer;
+import io.seata.core.rpc.processor.RemotingProcessor;
+
+/**
+ * Mock Remoting Processor
+ *
+ * @author minghua.xie
+ * @date 2023/11/14
+ **/
+public class MockRemotingProcessor<REQ, RESP> implements RemotingProcessor {
+
+    private Class<RESP> clazz;
+    private RemotingServer remotingServer;
+
+    public MockRemotingProcessor(Class<RESP> clazz, RemotingServer remotingServer) {
+        this.clazz = clazz;
+        this.remotingServer = remotingServer;
+    }
+
+    @Override
+    public void process(ChannelHandlerContext ctx, RpcMessage rpcMessage) throws Exception {
+        REQ message = (REQ) rpcMessage.getBody();
+        System.out.println("message = " + message);
+
+        RESP resp = clazz.newInstance();
+        remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), resp);
+    }
+
+
+}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tc/MockNettyRemotingServer.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tc/MockNettyRemotingServer.java
new file mode 100644
index 00000000000..82223c6576f
--- /dev/null
+++ b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tc/MockNettyRemotingServer.java
@@ -0,0 +1,132 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mock.protocol.tc;
+
+import io.netty.channel.Channel;
+import io.seata.common.thread.NamedThreadFactory;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.AbstractResultMessage;
+import io.seata.core.protocol.MessageType;
+import io.seata.core.protocol.RegisterRMRequest;
+import io.seata.core.protocol.RegisterRMResponse;
+import io.seata.core.protocol.RegisterTMRequest;
+import io.seata.core.protocol.RegisterTMResponse;
+import io.seata.core.rpc.RpcContext;
+import io.seata.core.rpc.ShutdownHook;
+import io.seata.core.rpc.TransactionMessageHandler;
+import io.seata.core.rpc.netty.AbstractNettyRemotingServer;
+import io.seata.core.rpc.netty.NettyServerConfig;
+import io.seata.core.rpc.processor.server.RegRmProcessor;
+import io.seata.core.rpc.processor.server.RegTmProcessor;
+import io.seata.core.rpc.processor.server.ServerHeartbeatProcessor;
+import io.seata.core.rpc.processor.server.ServerOnRequestProcessor;
+import io.seata.core.rpc.processor.server.ServerOnResponseProcessor;
+import io.seata.mock.protocol.MockRemotingProcessor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+/**
+ * The mock netty remoting server.
+ *
+ * @author Bughue
+ */
+public class MockNettyRemotingServer extends AbstractNettyRemotingServer {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(MockNettyRemotingServer.class);
+
+
+    @Override
+    public void init() {
+        // registry processor
+        registerProcessor();
+    }
+
+    /**
+     * Instantiates a new Rpc remoting server.
+     *
+     * @param messageExecutor   the message executor
+     */
+    public MockNettyRemotingServer(ThreadPoolExecutor messageExecutor) {
+        super(messageExecutor, new NettyServerConfig());
+    }
+
+    @Override
+    public void destroyChannel(String serverAddress, Channel channel) {
+        if (LOGGER.isInfoEnabled()) {
+            LOGGER.info("will destroy channel:{},address:{}", channel, serverAddress);
+        }
+        channel.disconnect();
+        channel.close();
+    }
+
+    private TransactionMessageHandler getHandler(){
+        return new TransactionMessageHandler() {
+            @Override
+            public AbstractResultMessage onRequest(AbstractMessage request, RpcContext context) {
+                return null;
+            }
+
+            @Override
+            public void onResponse(AbstractResultMessage response, RpcContext context) {
+
+            }
+        };
+    }
+
+    private void registerProcessor() {
+        // 1. registry on request message processor
+        ServerOnRequestProcessor onRequestProcessor =
+            new ServerOnRequestProcessor(this, getHandler());
+        ShutdownHook.getInstance().addDisposable(onRequestProcessor);
+        super.registerProcessor(MessageType.TYPE_BRANCH_REGISTER, onRequestProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_BRANCH_STATUS_REPORT, onRequestProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_BEGIN, onRequestProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_COMMIT, onRequestProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_LOCK_QUERY, onRequestProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_REPORT, onRequestProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_ROLLBACK, onRequestProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_STATUS, onRequestProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_SEATA_MERGE, onRequestProcessor, messageExecutor);
+
+        // 2. registry on response message processor
+        ServerOnResponseProcessor onResponseProcessor =
+            new ServerOnResponseProcessor(getHandler(), getFutures());
+        super.registerProcessor(MessageType.TYPE_BRANCH_COMMIT_RESULT, onResponseProcessor, messageExecutor);
+        super.registerProcessor(MessageType.TYPE_BRANCH_ROLLBACK_RESULT, onResponseProcessor, messageExecutor);
+
+        // 3. registry rm message processor
+        MockRemotingProcessor regRmProcessor = new MockRemotingProcessor<RegisterRMRequest,RegisterRMResponse>(
+                RegisterRMResponse.class,this);
+        super.registerProcessor(MessageType.TYPE_REG_RM, regRmProcessor, messageExecutor);
+        // 4. registry tm message processor
+        MockRemotingProcessor regTmProcessor = new MockRemotingProcessor<RegisterTMRequest, RegisterTMResponse>(
+                RegisterTMResponse.class,this);
+        super.registerProcessor(MessageType.TYPE_REG_CLT, regTmProcessor, null);
+        // 5. registry heartbeat message processor
+        ServerHeartbeatProcessor heartbeatMessageProcessor = new ServerHeartbeatProcessor(this);
+        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, heartbeatMessageProcessor, null);
+    }
+
+    @Override
+    public void destroy() {
+        super.destroy();
+    }
+}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
index a82df504644..bdbc6092162 100644
--- a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
+++ b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
@@ -3,9 +3,12 @@
 import io.netty.channel.Channel;
 import io.netty.util.concurrent.EventExecutorGroup;
 import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.MessageType;
 import io.seata.core.rpc.netty.AbstractNettyRemotingClient;
 import io.seata.core.rpc.netty.NettyClientConfig;
 import io.seata.core.rpc.netty.NettyPoolKey;
+import io.seata.core.rpc.processor.client.ClientHeartbeatProcessor;
+import io.seata.core.rpc.processor.client.ClientOnResponseProcessor;
 import io.seata.mock.protocol.MockNettyClient;
 
 import java.util.concurrent.ThreadPoolExecutor;
@@ -22,5 +25,22 @@ public MockTmClient(NettyClientConfig nettyClientConfig, EventExecutorGroup even
         super(nettyClientConfig, eventExecutorGroup, messageExecutor, transactionRole);
     }
 
-
+    @Override
+    public void init() {
+        super.init();
+        // 1.registry TC response processor
+        ClientOnResponseProcessor onResponseProcessor =
+                new ClientOnResponseProcessor(mergeMsgMap, super.getFutures(), getTransactionMessageHandler());
+        super.registerProcessor(MessageType.TYPE_SEATA_MERGE_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_BEGIN_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_COMMIT_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_REPORT_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_ROLLBACK_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_GLOBAL_STATUS_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_REG_CLT_RESULT, onResponseProcessor, null);
+        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
+        // 2.registry heartbeat message processor
+        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
+        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
+    }
 }

From a2fe4832812cfe2c351294c778b949c747b0fb97 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Wed, 15 Nov 2023 15:06:15 +0800
Subject: [PATCH 15/22] classloader-version fix

---
 .../core/rpc/netty/AbstractNettyRemoting.java  | 18 ++++++++++++++----
 .../rpc/netty/AbstractNettyRemotingClient.java |  9 ++++-----
 .../rpc/netty/AbstractNettyRemotingServer.java |  3 ++-
 .../core/rpc/netty/ProtocolRpcMessage.java     | 18 ++++++++++++++++++
 .../rpc/netty/v0/ProtocolRpcMessageV0.java     |  2 ++
 .../rpc/netty/v1/ProtocolRpcMessageV1.java     |  5 ++++-
 .../serializer/seata/SeataSerializer.java      |  2 +-
 7 files changed, 45 insertions(+), 12 deletions(-)

diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
index b5571bc0a31..db97fd13237 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemoting.java
@@ -64,7 +64,7 @@ public abstract class AbstractNettyRemoting implements Disposable {
      * The Timer executor.
      */
     protected final ScheduledExecutorService timerExecutor = new ScheduledThreadPoolExecutor(1,
-        new NamedThreadFactory("timeoutChecker", 1, true));
+            new NamedThreadFactory("timeoutChecker", 1, true));
     /**
      * The Message executor.
      */
@@ -114,7 +114,7 @@ public void run() {
                         futures.remove(entry.getKey());
                         RpcMessage rpcMessage = future.getRequestMessage();
                         future.setResultMessage(new TimeoutException(String
-                            .format("msgId: %s ,msgType: %s ,msg: %s ,request timeout", rpcMessage.getId(), String.valueOf(rpcMessage.getMessageType()), rpcMessage.getBody().toString())));
+                                .format("msgId: %s ,msgType: %s ,msg: %s ,request timeout", rpcMessage.getId(), String.valueOf(rpcMessage.getMessageType()), rpcMessage.getBody().toString())));
                         if (LOGGER.isDebugEnabled()) {
                             LOGGER.debug("timeout clear future: {}", entry.getValue().getRequestMessage().getBody());
                         }
@@ -201,7 +201,7 @@ protected Object sendSync(Channel channel, RpcMessage rpcMessage, long timeoutMi
             return result;
         } catch (Exception exx) {
             LOGGER.error("wait response error:{},ip:{},request:{}", exx.getMessage(), channel.remoteAddress(),
-                rpcMessage.getBody());
+                    rpcMessage.getBody());
             if (exx instanceof TimeoutException) {
                 throw (TimeoutException) exx;
             } else {
@@ -220,7 +220,7 @@ protected void sendAsync(Channel channel, RpcMessage rpcMessage) {
         channelWritableCheck(channel, rpcMessage.getBody());
         if (LOGGER.isDebugEnabled()) {
             LOGGER.debug("write message:" + rpcMessage.getBody() + ", channel:" + channel + ",active?"
-                + channel.isActive() + ",writable?" + channel.isWritable() + ",isopen?" + channel.isOpen());
+                    + channel.isActive() + ",writable?" + channel.isWritable() + ",isopen?" + channel.isOpen());
         }
 
         doBeforeRpcHooks(ChannelUtil.getAddressFromChannel(channel), rpcMessage);
@@ -231,6 +231,11 @@ protected void sendAsync(Channel channel, RpcMessage rpcMessage) {
             }
         });
     }
+
+    protected RpcMessage buildRequestMessage(Object msg, byte messageType) {
+        return buildRequestMessage(msg, messageType, Version.getCurrent());
+    }
+
     protected RpcMessage buildRequestMessage(Object msg, byte messageType, String version) {
         RpcMessage rpcMessage = new RpcMessage();
         rpcMessage.setId(getNextMessageId());
@@ -243,12 +248,17 @@ protected RpcMessage buildRequestMessage(Object msg, byte messageType, String ve
     }
 
     protected RpcMessage buildResponseMessage(RpcMessage rpcMessage, Object msg, byte messageType) {
+        return buildResponseMessage(rpcMessage, msg, messageType, Version.getCurrent());
+    }
+
+    protected RpcMessage buildResponseMessage(RpcMessage rpcMessage, Object msg, byte messageType, String version) {
         RpcMessage rpcMsg = new RpcMessage();
         rpcMsg.setMessageType(messageType);
         rpcMsg.setCodec(rpcMessage.getCodec()); // same with request
         rpcMsg.setCompressor(rpcMessage.getCompressor());
         rpcMsg.setBody(msg);
         rpcMsg.setId(rpcMessage.getId());
+        rpcMsg.setVersion(version);
         return rpcMsg;
     }
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
index d6ba3dc37a5..1bc47fd2a8f 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingClient.java
@@ -49,7 +49,6 @@
 import io.seata.core.protocol.MessageFuture;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.RpcMessage;
-import io.seata.core.protocol.Version;
 import io.seata.core.protocol.transaction.AbstractGlobalEndRequest;
 import io.seata.core.protocol.transaction.BranchRegisterRequest;
 import io.seata.core.protocol.transaction.BranchReportRequest;
@@ -134,7 +133,7 @@ public AbstractNettyRemotingClient(NettyClientConfig nettyClientConfig, EventExe
     public Object sendSyncRequest(Object msg) throws TimeoutException {
         String serverAddress = loadBalance(getTransactionServiceGroup(), msg);
         long timeoutMillis = this.getRpcRequestTimeout();
-        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC, Version.getCurrent());
+        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
 
         // send batch message
         // put message into basketMap, @see MergedSendRunnable
@@ -187,7 +186,7 @@ public Object sendSyncRequest(Channel channel, Object msg) throws TimeoutExcepti
             LOGGER.warn("sendSyncRequest nothing, caused by null channel.");
             return null;
         }
-        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC, Version.getCurrent());
+        RpcMessage rpcMessage = buildRequestMessage(msg, ProtocolConstants.MSGTYPE_RESQUEST_SYNC);
         return super.sendSync(channel, rpcMessage, this.getRpcRequestTimeout());
     }
 
@@ -198,8 +197,8 @@ public void sendAsyncRequest(Channel channel, Object msg) {
             return;
         }
         RpcMessage rpcMessage = buildRequestMessage(msg, msg instanceof HeartbeatMessage
-                ? ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
-                : ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY, Version.getCurrent());
+            ? ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
+            : ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
         if (rpcMessage.getBody() instanceof MergeMessage) {
             mergeMsgMap.put(rpcMessage.getId(), (MergeMessage) rpcMessage.getBody());
         }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
index 5e7c2740804..b84f8fc936b 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
@@ -103,9 +103,10 @@ public void sendAsyncResponse(RpcMessage rpcMessage, Channel channel, Object msg
             clientChannel = ChannelManager.getSameClientChannel(channel);
         }
         if (clientChannel != null) {
+            RpcContext rpcContext = ChannelManager.getContextFromIdentified(channel);
             RpcMessage rpcMsg = buildResponseMessage(rpcMessage, msg, msg instanceof HeartbeatMessage
                 ? ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE
-                : ProtocolConstants.MSGTYPE_RESPONSE);
+                : ProtocolConstants.MSGTYPE_RESPONSE, rpcContext.getVersion());
             super.sendAsync(clientChannel, rpcMsg);
         } else {
             throw new RuntimeException("channel is error.");
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
index 7cfe882b661..712128a8b7e 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
@@ -15,6 +15,7 @@
  */
 package io.seata.core.rpc.netty;
 
+import io.seata.core.protocol.AbstractIdentifyRequest;
 import io.seata.core.protocol.RpcMessage;
 
 /**
@@ -26,4 +27,21 @@ public interface ProtocolRpcMessage {
     RpcMessage protocolMsg2RpcMsg();
 
     void rpcMsg2ProtocolMsg(RpcMessage rpcMessage);
+
+    static String getVersion(Object body) {
+        if(body instanceof AbstractIdentifyRequest){
+            return  ((AbstractIdentifyRequest) body).getVersion();
+        }else {
+            //todo?
+            return null;
+        }
+    }
+
+    static void setVersion(Object body, String version){
+        if(body instanceof AbstractIdentifyRequest){
+            ((AbstractIdentifyRequest) body).setVersion(version);
+        }else {
+            //todo?
+        }
+    }
 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
index 5d926b1f74c..cafe52d0694 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
@@ -180,12 +180,14 @@ public RpcMessage protocolMsg2RpcMsg(){
         }
         rpcMessage.setBody(this.body);
         rpcMessage.setId((int) this.id);
+        rpcMessage.setVersion(ProtocolRpcMessage.getVersion(this.body));
         return rpcMessage;
     }
 
     @Override
     public void rpcMsg2ProtocolMsg(RpcMessage rpcMessage) {
         this.body = rpcMessage.getBody();
+        ProtocolRpcMessage.setVersion(this.body, rpcMessage.getVersion());
         this.id = rpcMessage.getId();
         this.isRequest = isRequest(rpcMessage.getMessageType());
         this.isHeartbeat = isHeartbeat(rpcMessage.getMessageType());
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
index 639ee76de69..7d95937b9b0 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
@@ -16,6 +16,7 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.seata.common.util.StringUtils;
+import io.seata.core.protocol.AbstractIdentifyRequest;
 import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.netty.ProtocolRpcMessage;
 
@@ -182,17 +183,19 @@ public RpcMessage protocolMsg2RpcMsg(){
         rpcMessage.setCompressor(this.compressor);
         rpcMessage.setHeadMap(this.headMap);
         rpcMessage.setBody(this.body);
+        rpcMessage.setVersion(ProtocolRpcMessage.getVersion(this.body));
         return rpcMessage;
     }
 
+
     @Override
     public void rpcMsg2ProtocolMsg(RpcMessage rpcMessage) {
         this.body = rpcMessage.getBody();
+        ProtocolRpcMessage.setVersion(this.body, rpcMessage.getVersion());
         this.headMap = rpcMessage.getHeadMap();
         this.id = rpcMessage.getId();
         this.messageType = rpcMessage.getMessageType();
         this.codec = rpcMessage.getCodec();
         this.compressor = rpcMessage.getCompressor();
-        rpcMessage.getVersion();
     }
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
index 4957f30c329..e77f94a1582 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
@@ -42,7 +42,7 @@ public class SeataSerializer implements Serializer {
             .put(ProtocolConstants.VERSION_1, new MessageCodecFactoryV1())
             .build();
 
-    public SeataSerializer(byte version){
+    public SeataSerializer(Byte version){
         factory =  FACTORY_MAP.get(version);
         protocolVersion = version;
     }

From be10f07175691187c350c9138c4ff713c599ff50 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Wed, 15 Nov 2023 16:11:08 +0800
Subject: [PATCH 16/22]  fix test and format

---
 .../java/io/seata/core/protocol/Version.java  |  4 +--
 .../rpc/netty/CompatibleProtocolDecoder.java  |  2 +-
 .../rpc/netty/CompatibleProtocolEncoder.java  |  4 +--
 .../netty/CompatibleProtocolVersionMap.java   | 16 ----------
 .../core/rpc/netty/ProtocolRpcMessage.java    | 12 +++----
 .../rpc/netty/v0/ProtocolRpcMessageV0.java    | 31 ++++++++++---------
 .../serializer/SerializerServiceLoader.java   |  2 +-
 .../BatchResultMessageSerializerTest.java     |  4 +--
 .../MergeResultMessageSerializerTest.java     |  4 +--
 .../MergedWarpMessageSerializerTest.java      |  4 +--
 .../RegisterRMRequestSerializerTest.java      |  4 +--
 .../RegisterRMResponseSerializerTest.java     |  4 +--
 .../RegisterTMRequestSerializerTest.java      |  4 +--
 .../RegisterTMResponseSerializerTest.java     |  4 +--
 .../BranchCommitRequestSerializerTest.java    |  4 +--
 .../BranchCommitResponseSerializerTest.java   |  4 +--
 .../BranchRegisterRequestSerializerTest.java  |  4 +--
 .../BranchRegisterResponseSerializerTest.java |  4 +--
 .../BranchReportRequestSerializerTest.java    |  4 +--
 .../BranchReportResponseSerializerTest.java   |  4 +--
 .../BranchRollbackRequestSerializerTest.java  |  4 +--
 .../BranchRollbackResponseSerializerTest.java |  4 +--
 .../GlobalBeginRequestSerializerTest.java     |  4 +--
 .../GlobalBeginResponseSerializerTest.java    |  4 +--
 .../GlobalCommitRequestCodecTest.java         |  4 +--
 .../GlobalCommitResponseSerializerTest.java   |  4 +--
 .../GlobalLockQueryRequestSerializerTest.java |  4 +--
 ...GlobalLockQueryResponseSerializerTest.java |  4 +--
 .../GlobalRollbackRequestCodecTest.java       |  4 +--
 .../GlobalRollbackResponseSerializerTest.java |  4 +--
 .../GlobalStatusRequestCodecTest.java         |  4 +--
 .../GlobalStatusResponseSerializerTest.java   |  4 +--
 .../UndoLogDeleteRequestSerializerTest.java   |  4 +--
 33 files changed, 79 insertions(+), 96 deletions(-)
 delete mode 100644 core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolVersionMap.java

diff --git a/core/src/main/java/io/seata/core/protocol/Version.java b/core/src/main/java/io/seata/core/protocol/Version.java
index bdf77b26e3e..9a629e2c00a 100644
--- a/core/src/main/java/io/seata/core/protocol/Version.java
+++ b/core/src/main/java/io/seata/core/protocol/Version.java
@@ -89,9 +89,7 @@ public static void checkVersion(String version) throws IncompatibleVersionExcept
         long current = convertVersion(CURRENT);
         long clientVersion = convertVersion(version);
         long divideVersion = convertVersion(VERSION_0_7_1);
-        if (
-//                (current > divideVersion && clientVersion < divideVersion) ||
-                (current < divideVersion && clientVersion > divideVersion)) {
+        if (current < divideVersion && clientVersion > divideVersion) {
             throw new IncompatibleVersionException("incompatible client version:" + version);
         }
     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
index db859581dda..7865b6dd6bc 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolDecoder.java
@@ -103,7 +103,7 @@ protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
                     }
                     return decoder.decodeFrame(frame);
                 } finally {
-                    if(!isV0(version)){
+                    if (!isV0(version)) {
                         frame.release();
                     }
                 }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
index 4142375bf3d..49bee28311a 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolEncoder.java
@@ -48,7 +48,7 @@ public class CompatibleProtocolEncoder extends MessageToByteEncoder {
 
     private static Map<Byte, ProtocolEncoder> protocolEncoderMap;
 
-    public CompatibleProtocolEncoder(){
+    public CompatibleProtocolEncoder() {
         super();
         protocolEncoderMap = ImmutableMap.<Byte, ProtocolEncoder>builder()
                 .put(ProtocolConstants.VERSION_0, new ProtocolEncoderV0())
@@ -67,7 +67,7 @@ public void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) {
                     throw new IllegalArgumentException("Unknown version: " + version);
                 }
 
-                encoder.encode(rpcMessage,out);
+                encoder.encode(rpcMessage, out);
             } else {
                 throw new UnsupportedOperationException("Not support this class:" + msg.getClass());
             }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolVersionMap.java b/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolVersionMap.java
deleted file mode 100644
index 8e39abb4ccd..00000000000
--- a/core/src/main/java/io/seata/core/rpc/netty/CompatibleProtocolVersionMap.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package io.seata.core.rpc.netty;
-
-import io.seata.core.protocol.IncompatibleVersionException;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.protocol.Version;
-
-/**
- * ?
- *
- * @author Bughue
- * @date 2023/9/20
- **/
-public class CompatibleProtocolVersionMap {
-
-
-}
diff --git a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
index 712128a8b7e..45895b677a1 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/ProtocolRpcMessage.java
@@ -29,18 +29,18 @@ public interface ProtocolRpcMessage {
     void rpcMsg2ProtocolMsg(RpcMessage rpcMessage);
 
     static String getVersion(Object body) {
-        if(body instanceof AbstractIdentifyRequest){
-            return  ((AbstractIdentifyRequest) body).getVersion();
-        }else {
+        if (body instanceof AbstractIdentifyRequest) {
+            return ((AbstractIdentifyRequest) body).getVersion();
+        } else {
             //todo?
             return null;
         }
     }
 
-    static void setVersion(Object body, String version){
-        if(body instanceof AbstractIdentifyRequest){
+    static void setVersion(Object body, String version) {
+        if (body instanceof AbstractIdentifyRequest) {
             ((AbstractIdentifyRequest) body).setVersion(version);
-        }else {
+        } else {
             //todo?
         }
     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
index cafe52d0694..ac0a8d319f0 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolRpcMessageV0.java
@@ -157,24 +157,24 @@ public void setMessageType(byte messageType) {
     }
 
     @Override
-    public RpcMessage protocolMsg2RpcMsg(){
+    public RpcMessage protocolMsg2RpcMsg() {
         RpcMessage rpcMessage = new RpcMessage();
         rpcMessage.setMessageType(this.messageType);
         rpcMessage.setCompressor(CompressorType.NONE.getCode());
 
-        byte codecType = this.isSeataCodec? SerializerType.SEATA.getCode():SerializerType.HESSIAN.getCode();
+        byte codecType = this.isSeataCodec ? SerializerType.SEATA.getCode() : SerializerType.HESSIAN.getCode();
         rpcMessage.setCodec(codecType);
 
-        if(this.isHeartbeat){
-            if(this.isRequest){
+        if (this.isHeartbeat) {
+            if (this.isRequest) {
                 rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST);
-            }else {
+            } else {
                 rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE);
             }
-        }else {
-            if(this.isRequest){
+        } else {
+            if (this.isRequest) {
                 rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY);
-            }else {
+            } else {
                 rpcMessage.setMessageType(ProtocolConstants.MSGTYPE_RESPONSE);
             }
         }
@@ -191,16 +191,17 @@ public void rpcMsg2ProtocolMsg(RpcMessage rpcMessage) {
         this.id = rpcMessage.getId();
         this.isRequest = isRequest(rpcMessage.getMessageType());
         this.isHeartbeat = isHeartbeat(rpcMessage.getMessageType());
-        this.isSeataCodec = rpcMessage.getCodec() ==SerializerType.SEATA.getCode();
+        this.isSeataCodec = rpcMessage.getCodec() == SerializerType.SEATA.getCode();
         this.messageType = rpcMessage.getMessageType();
     }
 
-    private boolean isHeartbeat(byte msgType){
-        return msgType==ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
-                || msgType ==ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE;
+    private boolean isHeartbeat(byte msgType) {
+        return msgType == ProtocolConstants.MSGTYPE_HEARTBEAT_REQUEST
+                || msgType == ProtocolConstants.MSGTYPE_HEARTBEAT_RESPONSE;
     }
-    private boolean isRequest(byte msgType){
-        return msgType==ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY
-                || msgType ==ProtocolConstants.MSGTYPE_RESQUEST_SYNC;
+
+    private boolean isRequest(byte msgType) {
+        return msgType == ProtocolConstants.MSGTYPE_RESQUEST_ONEWAY
+                || msgType == ProtocolConstants.MSGTYPE_RESQUEST_SYNC;
     }
 }
diff --git a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
index caa7e2bc630..78161048046 100644
--- a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
@@ -50,7 +50,7 @@ public static Serializer load(SerializerType type, byte version) throws Enhanced
         }
         if (type == SerializerType.SEATA) {
             return EnhancedServiceLoader.load(Serializer.class, type.name(), new Object[]{version});
-        }else {
+        } else {
             return EnhancedServiceLoader.load(Serializer.class, type.name());
         }
     }
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
index 1d8219991db..c102342f71a 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
@@ -23,7 +23,7 @@
 import io.seata.core.protocol.BatchResultMessage;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchCommitResponse;
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -39,7 +39,7 @@ public class BatchResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
 
     @Test
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
index 891f602147e..5e9fff4a211 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
@@ -15,12 +15,12 @@
  */
 package io.seata.serializer.seata.protocol;
 
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.MergeResultMessage;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.GlobalBeginResponse;
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -35,7 +35,7 @@ public class MergeResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
index 546ead2fdc5..3e0fc3b7994 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
@@ -21,7 +21,7 @@
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.MergedWarpMessage;
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -37,7 +37,7 @@ public class MergedWarpMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
index 13d3182aadc..c2c27b06228 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
@@ -15,8 +15,8 @@
  */
 package io.seata.serializer.seata.protocol;
 
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterRMRequest;
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -31,7 +31,7 @@ public class RegisterRMRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
index b82e58f84e6..8b58f9f44e9 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
@@ -15,9 +15,9 @@
  */
 package io.seata.serializer.seata.protocol;
 
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterRMResponse;
 import io.seata.core.protocol.ResultCode;
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -33,7 +33,7 @@ public class RegisterRMResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
index 672c946aafe..99ed2a61374 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
@@ -16,9 +16,9 @@
 package io.seata.serializer.seata.protocol;
 
 import io.netty.buffer.ByteBuf;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.AbstractIdentifyRequest;
 import io.seata.core.protocol.RegisterTMRequest;
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
@@ -37,7 +37,7 @@ public class RegisterTMRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     private static       RegisterTMRequest       registerTMRequest;
     private static       AbstractIdentifyRequest air;
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
index d018d4f03b2..a2a968e296c 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
@@ -15,9 +15,9 @@
  */
 package io.seata.serializer.seata.protocol;
 
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterTMResponse;
 import io.seata.core.protocol.ResultCode;
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -32,7 +32,7 @@ public class RegisterTMResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
index bc6cc7a97ba..8cadec8fb41 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchCommitRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +32,7 @@ public class BranchCommitRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
index 9645ca36bde..7ed87e201b3 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.protocol.ResultCode;
@@ -34,7 +34,7 @@ public class BranchCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
index f8897b984ab..81e844f4d8b 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchRegisterRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +32,7 @@ public class BranchRegisterRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
index a239420fa3b..23a277daa9c 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchRegisterResponse;
@@ -33,7 +33,7 @@ public class BranchRegisterResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
index 8ff6bbfa7e2..fb8fcd00c82 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchReportRequest;
@@ -33,7 +33,7 @@ public class BranchReportRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
index 1f810655a58..41140639c5a 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchReportResponse;
@@ -33,7 +33,7 @@ public class BranchReportResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
index f49b14c7bc2..41ad6db2cdf 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchRollbackRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +32,7 @@ public class BranchRollbackRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
index 3a75972cb1c..8276be9dad6 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.protocol.ResultCode;
@@ -34,7 +34,7 @@ public class BranchRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
index 0f9f4badced..4167ed2a929 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +31,7 @@ public class GlobalBeginRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
index c5a6efabd24..cc2ec27675c 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.GlobalBeginResponse;
@@ -32,7 +32,7 @@ public class GlobalBeginResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
index cbfc8eb0582..885568ff46b 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.transaction.GlobalCommitRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +31,7 @@ public class GlobalCommitRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
index d54ca92de56..310a5cfc52f 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +33,7 @@ public class GlobalCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
index 446746644c3..2a1ac53e925 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.GlobalLockQueryRequest;
 import org.junit.jupiter.api.Test;
@@ -31,7 +31,7 @@ public class GlobalLockQueryRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
index 9456b6dd58b..706197808b5 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.GlobalLockQueryResponse;
@@ -33,7 +33,7 @@ public class GlobalLockQueryResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
index 1b493c99796..06a54065855 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.transaction.GlobalRollbackRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +31,7 @@ public class GlobalRollbackRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
index 2ac992dd8ff..cd8849e6f41 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -34,7 +34,7 @@ public class GlobalRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
index d3b0804f89b..37f52de98e3 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.transaction.GlobalStatusRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +31,7 @@ public class GlobalStatusRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
index 2d67d80ff7e..cc2cba4f460 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +33,7 @@ public class GlobalStatusResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
index 444f3281115..742efe229cc 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
@@ -15,7 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
-import io.seata.serializer.seata.protocol.v1.SeataV1Serializer;
+import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.UndoLogDeleteRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +32,7 @@ public class UndoLogDeleteRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataV1Serializer seataSerializer = new SeataV1Serializer();
+    SeataSerializer seataSerializer = new SeataSerializer();
 
     /**
      * Test codec.

From 8577d01732d916c35fa9d9db5d45e7a2151b0a23 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Wed, 15 Nov 2023 16:17:10 +0800
Subject: [PATCH 17/22] test fix

---
 .../seata/protocol/BatchResultMessageSerializerTest.java       | 3 ++-
 .../seata/protocol/MergeResultMessageSerializerTest.java       | 3 ++-
 .../seata/protocol/MergedWarpMessageSerializerTest.java        | 3 ++-
 .../seata/protocol/RegisterRMRequestSerializerTest.java        | 3 ++-
 .../seata/protocol/RegisterRMResponseSerializerTest.java       | 3 ++-
 .../seata/protocol/RegisterTMRequestSerializerTest.java        | 3 ++-
 .../seata/protocol/RegisterTMResponseSerializerTest.java       | 3 ++-
 .../transaction/BranchCommitRequestSerializerTest.java         | 3 ++-
 .../transaction/BranchCommitResponseSerializerTest.java        | 3 ++-
 .../transaction/BranchRegisterRequestSerializerTest.java       | 3 ++-
 .../transaction/BranchRegisterResponseSerializerTest.java      | 3 ++-
 .../transaction/BranchReportRequestSerializerTest.java         | 3 ++-
 .../transaction/BranchReportResponseSerializerTest.java        | 3 ++-
 .../transaction/BranchRollbackRequestSerializerTest.java       | 3 ++-
 .../transaction/BranchRollbackResponseSerializerTest.java      | 3 ++-
 .../protocol/transaction/GlobalBeginRequestSerializerTest.java | 3 ++-
 .../transaction/GlobalBeginResponseSerializerTest.java         | 3 ++-
 .../protocol/transaction/GlobalCommitRequestCodecTest.java     | 3 ++-
 .../transaction/GlobalCommitResponseSerializerTest.java        | 3 ++-
 .../transaction/GlobalLockQueryRequestSerializerTest.java      | 3 ++-
 .../transaction/GlobalLockQueryResponseSerializerTest.java     | 3 ++-
 .../protocol/transaction/GlobalRollbackRequestCodecTest.java   | 3 ++-
 .../transaction/GlobalRollbackResponseSerializerTest.java      | 3 ++-
 .../protocol/transaction/GlobalStatusRequestCodecTest.java     | 3 ++-
 .../transaction/GlobalStatusResponseSerializerTest.java        | 3 ++-
 .../transaction/UndoLogDeleteRequestSerializerTest.java        | 3 ++-
 26 files changed, 52 insertions(+), 26 deletions(-)

diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
index c102342f71a..2b45f775c1f 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
@@ -24,6 +24,7 @@
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchCommitResponse;
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -39,7 +40,7 @@ public class BatchResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
 
     @Test
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
index 5e9fff4a211..c99e215ad74 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
@@ -15,6 +15,7 @@
  */
 package io.seata.serializer.seata.protocol;
 
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.AbstractResultMessage;
@@ -35,7 +36,7 @@ public class MergeResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
index 3e0fc3b7994..fb6867ff3f3 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
@@ -22,6 +22,7 @@
 import io.seata.core.protocol.MergedWarpMessage;
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -37,7 +38,7 @@ public class MergedWarpMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
index c2c27b06228..d15d99487d1 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
@@ -15,6 +15,7 @@
  */
 package io.seata.serializer.seata.protocol;
 
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterRMRequest;
 import org.junit.jupiter.api.Test;
@@ -31,7 +32,7 @@ public class RegisterRMRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
index 8b58f9f44e9..3097f1092e3 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
@@ -15,6 +15,7 @@
  */
 package io.seata.serializer.seata.protocol;
 
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterRMResponse;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class RegisterRMResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
index 99ed2a61374..45ff9f76cd0 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol;
 
 import io.netty.buffer.ByteBuf;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.AbstractIdentifyRequest;
 import io.seata.core.protocol.RegisterTMRequest;
@@ -37,7 +38,7 @@ public class RegisterTMRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     private static       RegisterTMRequest       registerTMRequest;
     private static       AbstractIdentifyRequest air;
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
index a2a968e296c..4414e6409d8 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
@@ -15,6 +15,7 @@
  */
 package io.seata.serializer.seata.protocol;
 
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.protocol.RegisterTMResponse;
 import io.seata.core.protocol.ResultCode;
@@ -32,7 +33,7 @@ public class RegisterTMResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
index 8cadec8fb41..856c6523498 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
@@ -15,6 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchCommitRequest;
@@ -32,7 +33,7 @@ public class BranchCommitRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
index 7ed87e201b3..04c745f250a 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
@@ -15,6 +15,7 @@
  */
 package io.seata.serializer.seata.protocol.transaction;
 
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.BranchStatus;
@@ -34,7 +35,7 @@ public class BranchCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
index 81e844f4d8b..c591745549f 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
@@ -19,6 +19,7 @@
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchRegisterRequest;
 import org.junit.jupiter.api.Test;
+import io.seata.core.protocol.ProtocolConstants;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -32,7 +33,7 @@ public class BranchRegisterRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
index 23a277daa9c..b49445124f8 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchRegisterResponse;
@@ -33,7 +34,7 @@ public class BranchRegisterResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
index fb8fcd00c82..2a707c83d16 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchReportRequest;
@@ -33,7 +34,7 @@ public class BranchReportRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
index 41140639c5a..9db8725c96f 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchReportResponse;
@@ -33,7 +34,7 @@ public class BranchReportResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
index 41ad6db2cdf..881026a1d7e 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchRollbackRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +33,7 @@ public class BranchRollbackRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
index 8276be9dad6..c4b2576cea9 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.protocol.ResultCode;
@@ -34,7 +35,7 @@ public class BranchRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
index 4167ed2a929..7d1eac32059 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +32,7 @@ public class GlobalBeginRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
index cc2ec27675c..1fccf739f99 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.GlobalBeginResponse;
@@ -32,7 +33,7 @@ public class GlobalBeginResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
index 885568ff46b..5dba1f8d5cd 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.transaction.GlobalCommitRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +32,7 @@ public class GlobalCommitRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
index 310a5cfc52f..0cbae829bfc 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class GlobalCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
index 2a1ac53e925..d1b5428bd47 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.GlobalLockQueryRequest;
 import org.junit.jupiter.api.Test;
@@ -31,7 +32,7 @@ public class GlobalLockQueryRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
index 706197808b5..491be34f16b 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.GlobalLockQueryResponse;
@@ -33,7 +34,7 @@ public class GlobalLockQueryResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
index 06a54065855..03a8db4eb3c 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.transaction.GlobalRollbackRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +32,7 @@ public class GlobalRollbackRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
index cd8849e6f41..56a383a9e3e 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -34,7 +35,7 @@ public class GlobalRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
index 37f52de98e3..a63f4a5f549 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.transaction.GlobalStatusRequest;
 import org.junit.jupiter.api.Test;
 
@@ -31,7 +32,7 @@ public class GlobalStatusRequestCodecTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
index cc2cba4f460..1320be5bcb7 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class GlobalStatusResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
index 742efe229cc..808353addd1 100644
--- a/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/io/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
@@ -16,6 +16,7 @@
 package io.seata.serializer.seata.protocol.transaction;
 
 import io.seata.serializer.seata.SeataSerializer;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.UndoLogDeleteRequest;
 import org.junit.jupiter.api.Test;
@@ -32,7 +33,7 @@ public class UndoLogDeleteRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION_1);
 
     /**
      * Test codec.

From e0bf2d0e795b06ae5f2273193d18bd84a6a8d4af Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 16 Nov 2023 17:30:37 +0800
Subject: [PATCH 18/22] code style

---
 core/src/main/java/io/seata/core/protocol/Version.java      | 2 +-
 .../seata/core/rpc/netty/AbstractNettyRemotingServer.java   | 2 +-
 .../java/io/seata/core/rpc/netty/v0/MessageCodecV0.java     | 6 ++----
 .../java/io/seata/core/rpc/netty/v0/ProtocolEncoderV0.java  | 6 +++---
 .../io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java    | 4 +---
 5 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/core/src/main/java/io/seata/core/protocol/Version.java b/core/src/main/java/io/seata/core/protocol/Version.java
index 9a629e2c00a..01d9dc7db4f 100644
--- a/core/src/main/java/io/seata/core/protocol/Version.java
+++ b/core/src/main/java/io/seata/core/protocol/Version.java
@@ -155,7 +155,7 @@ public static byte calcProtocolVersion(String sdkVersion) throws IncompatibleVer
         long v0 = convertVersion(VERSION_0_7_1);
         if (version <= v0) {
             return ProtocolConstants.VERSION_0;
-        }else {
+        } else {
             return ProtocolConstants.VERSION_1;
         }
     }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
index b84f8fc936b..e67232cd62b 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/AbstractNettyRemotingServer.java
@@ -173,7 +173,7 @@ public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exce
             if (msg instanceof ProtocolRpcMessage) {
                 rpcMessage = ((ProtocolRpcMessage) msg).protocolMsg2RpcMsg();
                 processMessage(ctx, rpcMessage);
-            }else {
+            } else {
                 LOGGER.error("rpcMessage type error");
             }
         }
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
index da241f2666a..19217333f42 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/MessageCodecV0.java
@@ -16,15 +16,13 @@
 package io.seata.core.rpc.netty.v0;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.core.protocol.AbstractIdentifyRequest;
-import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.MessageTypeAware;
 
 /**
  * The interface Message codec.
  *
- * @author jimin.jm @alibaba-inc.com
- * @date 2018 /9/14
+ * @author Bughue
+ * @date 2023/11/01
  */
 public interface MessageCodecV0<T> extends MessageTypeAware {
 
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolEncoderV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolEncoderV0.java
index 5c1cf3f05de..d64f9ac24d5 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolEncoderV0.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolEncoderV0.java
@@ -84,12 +84,12 @@ public void encode(RpcMessage message, ByteBuf out) {
             Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(codec), ProtocolConstants.VERSION_0);
             bodyBytes = serializer.serialize(msg.getBody());
 
-            if(msg.isSeataCodec()){
-                if(msg.getBody() instanceof MessageTypeAware){
+            if (msg.isSeataCodec()) {
+                if (msg.getBody() instanceof MessageTypeAware) {
                     short typeCode = ((MessageTypeAware) msg.getBody()).getTypeCode();
                     out.writeShort(typeCode);
                 }
-            }else {
+            } else {
                 out.writeShort(bodyBytes.length);
             }
             out.writeLong(msg.getId());
diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
index 7d95937b9b0..d6778f31296 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolRpcMessageV1.java
@@ -16,7 +16,6 @@
 package io.seata.core.rpc.netty.v1;
 
 import io.seata.common.util.StringUtils;
-import io.seata.core.protocol.AbstractIdentifyRequest;
 import io.seata.core.protocol.RpcMessage;
 import io.seata.core.rpc.netty.ProtocolRpcMessage;
 
@@ -30,7 +29,6 @@
  * @date 2023/8/1
  **/
 public class ProtocolRpcMessageV1 implements ProtocolRpcMessage {
-
     private int id;
     private byte messageType;
     private byte codec;
@@ -175,7 +173,7 @@ public String toString() {
     }
 
     @Override
-    public RpcMessage protocolMsg2RpcMsg(){
+    public RpcMessage protocolMsg2RpcMsg() {
         RpcMessage rpcMessage = new RpcMessage();
         rpcMessage.setId(this.id);
         rpcMessage.setMessageType(this.messageType);

From bcec6ca029569ea680e1cd2fa14841dfbd9f3f5d Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 16 Nov 2023 19:21:49 +0800
Subject: [PATCH 19/22] code style

---
 .../main/java/io/seata/core/rpc/netty/v0/ProtocolDecoderV0.java  | 1 -
 1 file changed, 1 deletion(-)

diff --git a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolDecoderV0.java b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolDecoderV0.java
index e0ea927daa3..44c265b80cd 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolDecoderV0.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v0/ProtocolDecoderV0.java
@@ -16,7 +16,6 @@
 package io.seata.core.rpc.netty.v0;
 
 import io.netty.buffer.ByteBuf;
-import io.seata.common.loader.EnhancedServiceLoader;
 import io.seata.core.protocol.HeartbeatMessage;
 
 import io.seata.core.protocol.ProtocolConstants;

From 5e5d5d785e4df206c80eb317e8194e2f4432f7a6 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 30 Nov 2023 14:44:59 +0800
Subject: [PATCH 20/22] classloader-version fix

---
 .../core/rpc/netty/v1/ProtocolEncoderV1.java  |   2 +
 .../serializer/SerializerServiceLoader.java   |  25 +++-
 .../serializer/seata/MessageCodecFactory.java |  22 ++-
 .../serializer/seata/SeataSerializer.java     |  46 +-----
 .../protocol/v0/BatchResultMessageCodec.java  |  17 ++-
 .../protocol/v0/MergeResultMessageCodec.java  |  17 ++-
 .../protocol/v0/MergedWarpMessageCodec.java   |  17 ++-
 .../protocol/v0/MessageCodecFactoryV0.java    |   3 -
 .../protocol/v1/MessageCodecFactoryV1.java    |   2 +-
 test-mock/pom.xml                             |  33 +++++
 test-mock/test-client-v0/pom.xml              |  55 +++++++
 .../java/io/seata/core/rpc.netty/Action1.java |  25 ++++
 .../io/seata/core/rpc.netty/Action1Impl.java  |  33 +++++
 .../seata/core/rpc.netty/MockConstants.java   |  24 ++--
 .../seata/core/rpc.netty/RmClientTestV0.java  |  75 ++++++++++
 .../seata/core/rpc.netty/TmClientTestV0.java  |  78 ++++++++++
 .../src/main/resources/file.conf              |  22 +++
 .../src/main}/resources/logback.xml           |   0
 .../src/main/resources/registry.conf          |  30 ++++
 test-mock/test-client-v1-1.6.0/pom.xml        |  38 +++++
 .../java/io/seata/core/rpc/netty/Action1.java |  25 ++++
 .../io/seata/core/rpc/netty/Action1Impl.java  |  33 +++++
 .../seata/core/rpc/netty/MockConstants.java   |  28 ++++
 .../core/rpc/netty/RmClientTestV160.java      |  80 +++++++++++
 .../core/rpc/netty/TmClientTestV160.java      |  75 ++++++++++
 .../src/main/resources/file.conf              |  21 +++
 .../src/main/resources/registry.conf          |  30 ++++
 test-mock/test-client-v1/pom.xml              |  56 ++++++++
 .../java/io/seata/core/rpc/netty/Action1.java |  25 ++++
 .../io/seata/core/rpc/netty/Action1Impl.java  |  35 +++++
 .../seata/core/rpc/netty/MockConstants.java   |  28 ++++
 .../seata/core/rpc/netty/RmClientTestV1.java  |  71 ++++++++++
 .../seata/core/rpc/netty/TmClientTestV1.java  |  75 ++++++++++
 .../src/main/resources/file.conf              |  21 +++
 .../src/main/resources/registry.conf          |  30 ++++
 .../test-mock-server}/pom.xml                 |  20 ++-
 .../io/seata/mockserver/MockCoordinator.java  | 134 ++++++++++++++++++
 .../mockserver}/MockNettyRemotingServer.java  |  67 +++------
 .../java/io/seata/mockserver/MockServer.java  |  70 +++++++++
 .../java/io/seata/mockserver/call/CallRm.java | 106 ++++++++++++++
 .../processor/MockHeartbeatProcessor.java     |  25 ++++
 .../processor/MockOnReqProcessor.java         |  78 ++++++++++
 .../processor/MockOnRespProcessor.java        |  55 +++++++
 .../processor/MockRegisterProcessor.java      |  78 ++++++++++
 .../processor/MockRemotingProcessor.java      |  52 +++++++
 .../src/main/resources/application.yml        |  53 +++++++
 .../src/main/resources/logback-spring.xml     | 110 ++++++++++++++
 .../seata/mock/protocol/MockNettyClient.java  |  86 -----------
 .../mock/protocol/MockRemotingProcessor.java  |  34 -----
 .../mock/protocol/rm/v1/MockRmClient.java     |  21 ---
 .../mock/protocol/tm/v1/MockTmClient.java     |  46 ------
 .../src/test/resources/README.md              |   2 -
 52 files changed, 1928 insertions(+), 306 deletions(-)
 create mode 100644 test-mock/pom.xml
 create mode 100644 test-mock/test-client-v0/pom.xml
 create mode 100644 test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/Action1.java
 create mode 100644 test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/Action1Impl.java
 rename test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockServerApplication.java => test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/MockConstants.java (55%)
 create mode 100644 test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/RmClientTestV0.java
 create mode 100644 test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/TmClientTestV0.java
 create mode 100644 test-mock/test-client-v0/src/main/resources/file.conf
 rename {test-protocol-mock-server/src/test => test-mock/test-client-v0/src/main}/resources/logback.xml (100%)
 create mode 100644 test-mock/test-client-v0/src/main/resources/registry.conf
 create mode 100644 test-mock/test-client-v1-1.6.0/pom.xml
 create mode 100644 test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/Action1.java
 create mode 100644 test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/Action1Impl.java
 create mode 100644 test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/MockConstants.java
 create mode 100644 test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/RmClientTestV160.java
 create mode 100644 test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/TmClientTestV160.java
 create mode 100644 test-mock/test-client-v1-1.6.0/src/main/resources/file.conf
 create mode 100644 test-mock/test-client-v1-1.6.0/src/main/resources/registry.conf
 create mode 100644 test-mock/test-client-v1/pom.xml
 create mode 100644 test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/Action1.java
 create mode 100644 test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/Action1Impl.java
 create mode 100644 test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/MockConstants.java
 create mode 100644 test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/RmClientTestV1.java
 create mode 100644 test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/TmClientTestV1.java
 create mode 100644 test-mock/test-client-v1/src/main/resources/file.conf
 create mode 100644 test-mock/test-client-v1/src/main/resources/registry.conf
 rename {test-protocol-mock-server => test-mock/test-mock-server}/pom.xml (72%)
 create mode 100644 test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockCoordinator.java
 rename {test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tc => test-mock/test-mock-server/src/main/java/io/seata/mockserver}/MockNettyRemotingServer.java (62%)
 create mode 100644 test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockServer.java
 create mode 100644 test-mock/test-mock-server/src/main/java/io/seata/mockserver/call/CallRm.java
 create mode 100644 test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockHeartbeatProcessor.java
 create mode 100644 test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockOnReqProcessor.java
 create mode 100644 test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockOnRespProcessor.java
 create mode 100644 test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockRegisterProcessor.java
 create mode 100644 test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockRemotingProcessor.java
 create mode 100644 test-mock/test-mock-server/src/main/resources/application.yml
 create mode 100644 test-mock/test-mock-server/src/main/resources/logback-spring.xml
 delete mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
 delete mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockRemotingProcessor.java
 delete mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/rm/v1/MockRmClient.java
 delete mode 100644 test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
 delete mode 100644 test-protocol-mock-server/src/test/resources/README.md

diff --git a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolEncoderV1.java b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolEncoderV1.java
index 0710ddb58e1..91030c82b4f 100644
--- a/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolEncoderV1.java
+++ b/core/src/main/java/io/seata/core/rpc/netty/v1/ProtocolEncoderV1.java
@@ -114,6 +114,8 @@ public void encode(RpcMessage message, ByteBuf out) {
 
         } catch (Throwable e) {
             LOGGER.error("Encode request error!", e);
+            // todo
+            throw e;
         }
     }
 }
diff --git a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
index 78161048046..d1d30363d3d 100644
--- a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
@@ -19,6 +19,9 @@
 import io.seata.common.loader.EnhancedServiceNotFoundException;
 import io.seata.common.util.ReflectionUtil;
 
+import java.util.HashMap;
+import java.util.Map;
+
 /**
  * The Service Loader for the interface {@link Serializer}
  *
@@ -29,6 +32,7 @@ public final class SerializerServiceLoader {
     private SerializerServiceLoader() {
     }
 
+    private static Map<String, Serializer> serializerMap = new HashMap<>();
 
     private static final String PROTOBUF_SERIALIZER_CLASS_NAME = "io.seata.serializer.protobuf.ProtobufSerializer";
 
@@ -48,10 +52,25 @@ public static Serializer load(SerializerType type, byte version) throws Enhanced
                         "Please manually reference 'io.seata:seata-serializer-protobuf' dependency ", e);
             }
         }
+
+        String key = serialzerKey(type, version);
+        Serializer serializer = serializerMap.get(key);
+        if (serializer == null) {
+            if (type == SerializerType.SEATA) {
+                serializer = EnhancedServiceLoader.load(Serializer.class, type.name(), new Object[]{version});
+            } else {
+                serializer = EnhancedServiceLoader.load(Serializer.class, type.name());
+            }
+            serializerMap.put(key,serializer);
+        }
+        return serializer;
+
+    }
+
+    private static String serialzerKey(SerializerType type, byte version){
         if (type == SerializerType.SEATA) {
-            return EnhancedServiceLoader.load(Serializer.class, type.name(), new Object[]{version});
-        } else {
-            return EnhancedServiceLoader.load(Serializer.class, type.name());
+            return type.name() + version;
         }
+        return type.name();
     }
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
index b3aa78a3164..a45c792b233 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/MessageCodecFactory.java
@@ -1,3 +1,18 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package io.seata.serializer.seata;
 
 import io.seata.core.protocol.AbstractMessage;
@@ -31,6 +46,11 @@
 import io.seata.core.protocol.transaction.GlobalStatusResponse;
 import io.seata.core.protocol.transaction.UndoLogDeleteRequest;
 
+/**
+ * The type Message codec factory v0.
+ *
+ * @author Bughue
+ */
 public abstract class MessageCodecFactory {
 
     public abstract MessageSeataCodec getMessageCodec(short typeCode);
@@ -146,7 +166,7 @@ protected static AbstractMessage getMergeRequestInstanceByCode(int typeCode) {
      * @param typeCode the type code
      * @return the merge response instance by code
      */
-    protected static AbstractMessage getMergeResponseInstanceByCode(int typeCode) {
+    public static AbstractMessage getMergeResponseInstanceByCode(int typeCode) {
         switch (typeCode) {
             case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
                 return new GlobalBeginResponse();
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
index e77f94a1582..cdc6e6c0e5c 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
@@ -19,6 +19,7 @@
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import io.seata.common.loader.LoadLevel;
+import io.seata.common.loader.Scope;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.serializer.Serializer;
@@ -32,13 +33,13 @@
  *
  * @author zhangsen
  */
-@LoadLevel(name = "SEATA")
+@LoadLevel(name = "SEATA", scope = Scope.PROTOTYPE)
 public class SeataSerializer implements Serializer {
 
     MessageCodecFactory factory;
     byte protocolVersion ;
     static Map<Byte, MessageCodecFactory> FACTORY_MAP = ImmutableMap.<Byte, MessageCodecFactory>builder()
-//            .put(ProtocolConstants.VERSION_0, new ?())
+            .put(ProtocolConstants.VERSION_0, new MessageCodecFactoryV1())
             .put(ProtocolConstants.VERSION_1, new MessageCodecFactoryV1())
             .build();
 
@@ -53,7 +54,7 @@ public <T> byte[] serialize(T t) {
             throw new IllegalArgumentException("AbstractMessage isn't available.");
         }
         AbstractMessage abstractMessage = (AbstractMessage)t;
-        //typecode
+        //type code
         short typecode = abstractMessage.getTypeCode();
         //msg codec
         MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
@@ -103,43 +104,4 @@ public <T> T deserialize(byte[] bytes) {
         messageCodec.decode(abstractMessage, in);
         return (T)abstractMessage;
     }
-
-//    public Class<? extends MessageSeataCodec> getCodecClass(short typeCode){
-//        Pair<Class<? extends MessageSeataCodec>, Class<? extends AbstractMessage>> pair = classMap.get(typeCode);
-//        if(pair !=null && pair.fst !=null){
-//            return pair.fst;
-//        }else {
-//            return null;
-//        }
-//    }
-//
-//    public Class<? extends AbstractMessage> getMessageClass(short typeCode){
-//        Pair<Class<? extends MessageSeataCodec>, Class<? extends AbstractMessage>> pair = classMap.get(typeCode);
-//        if(pair !=null && pair.snd !=null){
-//            return pair.snd;
-//        }else {
-//            return null;
-//        }
-//    }
-
-//    protected AbstractMessage getMessageByType(short typecode) {
-//        try {
-//            return getMessageClass(typecode).newInstance();
-//        } catch (InstantiationException e) {
-//            throw new RuntimeException(e);
-//        } catch (IllegalAccessException e) {
-//            throw new RuntimeException(e);
-//        }
-//    }
-//
-//    protected MessageSeataCodec getCodecByType(short typecode) {
-//        try {
-//            return getCodecClass(typecode).newInstance();
-//        } catch (InstantiationException e) {
-//            throw new RuntimeException(e);
-//        } catch (IllegalAccessException e) {
-//            throw new RuntimeException(e);
-//        }
-//    }
-
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/BatchResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/BatchResultMessageCodec.java
index a530d4b4e68..10cf8e76449 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/BatchResultMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/BatchResultMessageCodec.java
@@ -1,7 +1,22 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package io.seata.serializer.seata.protocol.v0;
 
 /**
- * ?
+ * the type BatchResultMessage Codec
  *
  * @author Bughue
  * @date 2023/9/21
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergeResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergeResultMessageCodec.java
index 00b88110223..8084d47d024 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergeResultMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergeResultMessageCodec.java
@@ -1,7 +1,22 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package io.seata.serializer.seata.protocol.v0;
 
 /**
- * ?
+ * the type MergeResultMessage Codec
  *
  * @author Bughue
  * @date 2023/9/21
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedWarpMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedWarpMessageCodec.java
index 1a3b6600cbd..5c2d37e0dcb 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedWarpMessageCodec.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MergedWarpMessageCodec.java
@@ -1,7 +1,22 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
 package io.seata.serializer.seata.protocol.v0;
 
 /**
- * ?
+ * the type MergedWarpMessage Codec
  *
  * @author Bughue
  * @date 2023/9/21
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
index 0205c91820d..cf879cc441d 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
@@ -15,9 +15,6 @@
  */
 package io.seata.serializer.seata.protocol.v0;
 
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.MergeResultMessage;
-import io.seata.core.protocol.MergedWarpMessage;
 import io.seata.core.protocol.MessageType;
 import io.seata.serializer.seata.MessageSeataCodec;
 import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java
index 6e14490fc2e..d6e7131327c 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java
@@ -150,7 +150,7 @@ protected static MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode
      * @param typeCode the type code
      * @return the merge response instance by code
      */
-    protected static MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode) {
+    public static MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode) {
         switch (typeCode) {
             case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
                 return new GlobalBeginResponseCodec();
diff --git a/test-mock/pom.xml b/test-mock/pom.xml
new file mode 100644
index 00000000000..a50a96b742a
--- /dev/null
+++ b/test-mock/pom.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>io.seata</groupId>
+        <artifactId>seata-build</artifactId>
+        <version>${revision}</version>
+        <relativePath>../build/pom.xml</relativePath>
+    </parent>
+    <artifactId>seata-mock</artifactId>
+    <packaging>pom</packaging>
+    <name>seata-mock</name>
+    <description>seata-mock</description>
+    <profiles>
+        <profile>
+            <id>skip-submodule</id>
+        </profile>
+    </profiles>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
\ No newline at end of file
diff --git a/test-mock/test-client-v0/pom.xml b/test-mock/test-client-v0/pom.xml
new file mode 100644
index 00000000000..24dd4538ef5
--- /dev/null
+++ b/test-mock/test-client-v0/pom.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~  Copyright 1999-2019 Seata.io Group.
+  ~
+  ~  Licensed under the Apache License, Version 2.0 (the "License");
+  ~  you may not use this file except in compliance with the License.
+  ~  You may obtain a copy of the License at
+  ~
+  ~       http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~  Unless required by applicable law or agreed to in writing, software
+  ~  distributed under the License is distributed on an "AS IS" BASIS,
+  ~  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~  See the License for the specific language governing permissions and
+  ~  limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+
+
+    <groupId>io.seata</groupId>
+    <artifactId>seata-test-client-v0</artifactId>
+    <version>0.6.1</version>
+    <!--    <packaging>pom</packaging>-->
+    <name>seata-test-client-v0</name>
+    <description>test for Seata protocol(v0)</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.seata</groupId>
+            <artifactId>seata-all</artifactId>
+            <version>0.6.1</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.2.12</version>
+        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>org.slf4j</groupId>-->
+<!--            <artifactId>slf4j-api</artifactId>-->
+<!--            <version>1.7.36</version>-->
+<!--        </dependency>-->
+<!--        <dependency>-->
+<!--            <groupId>org.slf4j</groupId>-->
+<!--            <artifactId>slf4j-simple</artifactId>-->
+<!--            <version>1.7.36</version>-->
+<!--        </dependency>-->
+    </dependencies>
+
+
+</project>
\ No newline at end of file
diff --git a/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/Action1.java b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/Action1.java
new file mode 100644
index 00000000000..a7ec40200b5
--- /dev/null
+++ b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/Action1.java
@@ -0,0 +1,25 @@
+package io.seata.core.rpc.netty;
+
+import io.seata.rm.tcc.api.BusinessActionContext;
+import io.seata.rm.tcc.api.BusinessActionContextParameter;
+import io.seata.rm.tcc.api.LocalTCC;
+import io.seata.rm.tcc.api.TwoPhaseBusinessAction;
+
+import java.util.Map;
+
+@LocalTCC
+public interface Action1 {
+
+    @TwoPhaseBusinessAction(name = "mock-action", commitMethod = "commitTcc", rollbackMethod = "cancel"
+//            , useTCCFence = true
+    )
+    String insert(@BusinessActionContextParameter Long reqId,
+            @BusinessActionContextParameter(paramName = "params") Map<String, String> params
+    );
+
+
+    boolean commitTcc(BusinessActionContext actionContext);
+
+
+    boolean cancel(BusinessActionContext actionContext);
+}
diff --git a/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/Action1Impl.java b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/Action1Impl.java
new file mode 100644
index 00000000000..7f7dec97da6
--- /dev/null
+++ b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/Action1Impl.java
@@ -0,0 +1,33 @@
+package io.seata.core.rpc.netty;
+
+
+import io.seata.rm.tcc.api.BusinessActionContext;
+import org.springframework.stereotype.Service;
+
+import java.util.Map;
+
+
+@Service
+public class Action1Impl implements Action1 {
+
+    @Override
+    public String insert(Long reqId,Map<String, String> params) {
+        System.out.println("prepare");
+        return "prepare";
+    }
+
+
+    @Override
+    public boolean commitTcc(BusinessActionContext actionContext) {
+        System.out.println("commitTcc");
+        return true;
+    }
+
+    @Override
+    public boolean cancel(BusinessActionContext actionContext) {
+        System.out.println("cancel");
+        return true;
+    }
+
+
+}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockServerApplication.java b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/MockConstants.java
similarity index 55%
rename from test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockServerApplication.java
rename to test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/MockConstants.java
index 05eb05e3959..3ea151e2902 100644
--- a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockServerApplication.java
+++ b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/MockConstants.java
@@ -13,20 +13,16 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.mock.protocol;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-import java.io.IOException;
+package io.seata.core.rpc.netty;
 
 /**
- * @author spilledyear@outlook.com
- */
-@SpringBootApplication(scanBasePackages = {"io.seata.mock.protocol"})
-public class MockServerApplication {
-    public static void main(String[] args) throws IOException {
-        // run the spring-boot application
-        SpringApplication.run(MockServerApplication.class, args);
-    }
+ * Mock Constants
+ *
+ * @author minghua.xie
+ * @date 2023/11/21
+ **/
+public class MockConstants {
+    public static final String APPLICATION_ID = "my_app_test";
+    public static final String SERVICE_GROUP = "default";
+    public static final String SERVER_ADDRESS = "0.0.0.0:8091";
 }
diff --git a/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/RmClientTestV0.java b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/RmClientTestV0.java
new file mode 100644
index 00000000000..0c0a3e9779a
--- /dev/null
+++ b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/RmClientTestV0.java
@@ -0,0 +1,75 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+import io.seata.core.context.RootContext;
+import io.seata.core.exception.TransactionException;
+import io.seata.core.model.BranchStatus;
+import io.seata.core.model.BranchType;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.rm.DefaultResourceManager;
+import io.seata.rm.RMClient;
+import io.seata.rm.tcc.remoting.RemotingParser;
+import io.seata.rm.tcc.remoting.parser.DefaultRemotingParser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.TimeoutException;
+
+/**
+ * rm client test
+ *
+ * @author minghua.xie
+ * @date 2023/11/21
+ **/
+public class RmClientTestV0 {
+
+    protected static final Logger LOGGER = LoggerFactory.getLogger(RmClientTestV0.class);
+
+    public static void main(String[] args) throws TransactionException {
+        
+        RMClient.init(MockConstants.APPLICATION_ID, MockConstants.SERVICE_GROUP);
+        DefaultResourceManager rm = DefaultResourceManager.get();
+
+        //register:TYPE_REG_RM = 103 , TYPE_REG_RM_RESULT = 104
+        String rid = "mock-action";
+        Action1 target = new Action1Impl();
+
+        DefaultRemotingParser.get().parserRemotingServiceInfo(target, rid);
+        LOGGER.info("[VO] registerResource ok");
+
+        //branchRegister:TYPE_BRANCH_REGISTER = 11 , TYPE_BRANCH_REGISTER_RESULT = 12
+        Long branchId = rm.branchRegister(BranchType.AT, rid, "1", "1", "1", "1");
+        LOGGER.info("[VO] branchRegister ok, branchId=" + branchId);
+
+        // branchReport:TYPE_BRANCH_STATUS_REPORT = 13 , TYPE_BRANCH_STATUS_REPORT_RESULT = 14
+        // TYPE_SEATA_MERGE = 59 , TYPE_SEATA_MERGE_RESULT = 60
+        rm.branchReport(BranchType.AT, "1", branchId, BranchStatus.PhaseTwo_Committed, "");
+        LOGGER.info("[VO] branchReport ok");
+
+        //lockQuery:TYPE_GLOBAL_LOCK_QUERY = 21 , TYPE_GLOBAL_LOCK_QUERY_RESULT = 22
+        RootContext.bind("1");
+        boolean b = rm.lockQuery(BranchType.AT, rid, "1", "1");
+        LOGGER.info("[VO] lockQuery ok, result=" + b);
+        
+
+        try {
+            Thread.sleep(3000);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
diff --git a/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/TmClientTestV0.java b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/TmClientTestV0.java
new file mode 100644
index 00000000000..2200a062e5b
--- /dev/null
+++ b/test-mock/test-client-v0/src/main/java/io/seata/core/rpc.netty/TmClientTestV0.java
@@ -0,0 +1,78 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+
+import io.netty.channel.Channel;
+import io.seata.core.model.GlobalStatus;
+import io.seata.core.model.TransactionManager;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.tm.DefaultTransactionManager;
+import io.seata.tm.TransactionManagerHolder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * TmClient Test
+ *
+ * @author minghua.xie
+ * @date 2023/11/10
+ **/
+public class TmClientTestV0 {
+    protected static final Logger LOGGER = LoggerFactory.getLogger(TmClientTestV0.class);
+
+
+    public static void main(String[] args) throws Exception {
+        LOGGER.info("[VO] TM begin");
+
+        TmRpcClient tmRpcClient = TmRpcClient.getInstance(MockConstants.APPLICATION_ID, MockConstants.SERVICE_GROUP);
+        tmRpcClient.init();
+        TransactionManager tm = TransactionManagerHolder.get();
+
+        //register:TYPE_REG_CLT = 101 , TYPE_REG_CLT_RESULT = 102
+        Channel channel = tmRpcClient.connect(MockConstants.SERVER_ADDRESS);
+        LOGGER.info("[VO] TM register ok:channel=" + channel);
+        TmRpcClient.getInstance().sendRequest(channel, HeartbeatMessage.PING);
+        LOGGER.info("[VO] TM heartbeat ok ");
+
+        //globalBegin:TYPE_GLOBAL_BEGIN = 1 , TYPE_GLOBAL_BEGIN_RESULT = 2
+        String xid = tm.begin(MockConstants.APPLICATION_ID, MockConstants.SERVICE_GROUP, "test", 60000);
+        LOGGER.info("[VO] globalBegin ok:xid=" + xid);
+
+        if (xid == null) {
+            xid = "6";
+        }
+
+        //globalCommit:TYPE_GLOBAL_COMMIT = 7 , TYPE_GLOBAL_COMMIT_RESULT = 8
+        GlobalStatus commit = tm.commit(xid);
+        LOGGER.info("[VO] globalCommit ok:" + commit);
+
+        //globalRollback:TYPE_GLOBAL_ROLLBACK = 9 , TYPE_GLOBAL_ROLLBACK_RESULT = 10
+        GlobalStatus rollback = tm.rollback(xid);
+        LOGGER.info("[VO] globalRollback ok:" + rollback);
+
+
+        //getStatus:TYPE_GLOBAL_STATUS = 15 , TYPE_GLOBAL_STATUS_RESULT = 16
+        GlobalStatus status = tm.getStatus(xid);
+        LOGGER.info("[VO] getStatus ok:" + status);
+
+        //globalReport:TYPE_GLOBAL_REPORT = 17 , TYPE_GLOBAL_REPORT_RESULT = 18
+//        GlobalStatus globalReport = tm.globalReport(xid, GlobalStatus.Committed);
+//        LOGGER.info("globalReport ok:" + globalReport);
+
+    }
+
+}
diff --git a/test-mock/test-client-v0/src/main/resources/file.conf b/test-mock/test-client-v0/src/main/resources/file.conf
new file mode 100644
index 00000000000..360636f2166
--- /dev/null
+++ b/test-mock/test-client-v0/src/main/resources/file.conf
@@ -0,0 +1,22 @@
+ #  Copyright 1999-2019 Seata.io Group.
+ #
+ #  Licensed under the Apache License, Version 2.0 (the "License");
+ #  you may not use this file except in compliance with the License.
+ #  You may obtain a copy of the License at
+ #
+ #  http://www.apache.org/licenses/LICENSE-2.0
+ #
+ #  Unless required by applicable law or agreed to in writing, software
+ #  distributed under the License is distributed on an "AS IS" BASIS,
+ #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ #  See the License for the specific language governing permissions and
+ #  limitations under the License.
+service {
+  #transaction service group mapping
+  vgroupMapping.default = "default"
+  vgroup_mapping.default = "default"
+  #only support when registry.type=file, please don't set multiple addresses
+  default.grouplist = "127.0.0.1:8091"
+  #disable seata
+  disableGlobalTransaction = false
+}
\ No newline at end of file
diff --git a/test-protocol-mock-server/src/test/resources/logback.xml b/test-mock/test-client-v0/src/main/resources/logback.xml
similarity index 100%
rename from test-protocol-mock-server/src/test/resources/logback.xml
rename to test-mock/test-client-v0/src/main/resources/logback.xml
diff --git a/test-mock/test-client-v0/src/main/resources/registry.conf b/test-mock/test-client-v0/src/main/resources/registry.conf
new file mode 100644
index 00000000000..7870e78a687
--- /dev/null
+++ b/test-mock/test-client-v0/src/main/resources/registry.conf
@@ -0,0 +1,30 @@
+#  Copyright 1999-2019 Seata.io Group.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+registry {
+  # file 、nacos 、eureka、redis、zk、consul、etcd3、sofa
+  type = "file"
+
+  file {
+    name = "file.conf"
+  }
+}
+
+config {
+  # file、nacos 、apollo、zk、consul、etcd3
+  type = "file"
+
+  file {
+    name = "file.conf"
+  }
+}
\ No newline at end of file
diff --git a/test-mock/test-client-v1-1.6.0/pom.xml b/test-mock/test-client-v1-1.6.0/pom.xml
new file mode 100644
index 00000000000..997ccd3175c
--- /dev/null
+++ b/test-mock/test-client-v1-1.6.0/pom.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~  Copyright 1999-2019 Seata.io Group.
+  ~
+  ~  Licensed under the Apache License, Version 2.0 (the "License");
+  ~  you may not use this file except in compliance with the License.
+  ~  You may obtain a copy of the License at
+  ~
+  ~       http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~  Unless required by applicable law or agreed to in writing, software
+  ~  distributed under the License is distributed on an "AS IS" BASIS,
+  ~  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~  See the License for the specific language governing permissions and
+  ~  limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>io.seata</groupId>
+    <artifactId>seata-test-client-v1-1.6.0</artifactId>
+    <version>1.6.0</version>
+    <name>seata-test-client-v1-1.6.0</name>
+    <description>test for Seata protocol(v1-1.6.0)</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.seata</groupId>
+            <artifactId>seata-all</artifactId>
+            <version>1.6.0</version>
+        </dependency>
+    </dependencies>
+
+
+</project>
\ No newline at end of file
diff --git a/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/Action1.java b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/Action1.java
new file mode 100644
index 00000000000..a7ec40200b5
--- /dev/null
+++ b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/Action1.java
@@ -0,0 +1,25 @@
+package io.seata.core.rpc.netty;
+
+import io.seata.rm.tcc.api.BusinessActionContext;
+import io.seata.rm.tcc.api.BusinessActionContextParameter;
+import io.seata.rm.tcc.api.LocalTCC;
+import io.seata.rm.tcc.api.TwoPhaseBusinessAction;
+
+import java.util.Map;
+
+@LocalTCC
+public interface Action1 {
+
+    @TwoPhaseBusinessAction(name = "mock-action", commitMethod = "commitTcc", rollbackMethod = "cancel"
+//            , useTCCFence = true
+    )
+    String insert(@BusinessActionContextParameter Long reqId,
+            @BusinessActionContextParameter(paramName = "params") Map<String, String> params
+    );
+
+
+    boolean commitTcc(BusinessActionContext actionContext);
+
+
+    boolean cancel(BusinessActionContext actionContext);
+}
diff --git a/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/Action1Impl.java b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/Action1Impl.java
new file mode 100644
index 00000000000..7f7dec97da6
--- /dev/null
+++ b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/Action1Impl.java
@@ -0,0 +1,33 @@
+package io.seata.core.rpc.netty;
+
+
+import io.seata.rm.tcc.api.BusinessActionContext;
+import org.springframework.stereotype.Service;
+
+import java.util.Map;
+
+
+@Service
+public class Action1Impl implements Action1 {
+
+    @Override
+    public String insert(Long reqId,Map<String, String> params) {
+        System.out.println("prepare");
+        return "prepare";
+    }
+
+
+    @Override
+    public boolean commitTcc(BusinessActionContext actionContext) {
+        System.out.println("commitTcc");
+        return true;
+    }
+
+    @Override
+    public boolean cancel(BusinessActionContext actionContext) {
+        System.out.println("cancel");
+        return true;
+    }
+
+
+}
diff --git a/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/MockConstants.java b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/MockConstants.java
new file mode 100644
index 00000000000..8960115aa4e
--- /dev/null
+++ b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/MockConstants.java
@@ -0,0 +1,28 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+/**
+ * Mock Constants
+ *
+ * @author minghua.xie
+ * @date 2023/11/21
+ **/
+public class MockConstants {
+    public static final String APPLICATION_ID = "my_app_test";
+    public static final String SERVICE_GROUP = "default_tx_group";
+    public static final String SERVER_ADDRESS = "0.0.0.0:8091";
+}
diff --git a/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/RmClientTestV160.java b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/RmClientTestV160.java
new file mode 100644
index 00000000000..3075002b308
--- /dev/null
+++ b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/RmClientTestV160.java
@@ -0,0 +1,80 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+import io.seata.core.context.RootContext;
+import io.seata.core.exception.TransactionException;
+import io.seata.core.model.BranchStatus;
+import io.seata.core.model.BranchType;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.rm.DefaultResourceManager;
+import io.seata.rm.RMClient;
+import io.seata.rm.tcc.remoting.RemotingParser;
+import io.seata.rm.tcc.remoting.parser.DefaultRemotingParser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * rm client test
+ *
+ * @author minghua.xie
+ * @date 2023/11/21
+ **/
+public class RmClientTestV160 {
+
+    protected static final Logger LOGGER = LoggerFactory.getLogger(RmClientTestV160.class);
+
+    public static void main(String[] args) throws TransactionException {
+        RMClient.init(MockConstants.APPLICATION_ID, MockConstants.SERVICE_GROUP);
+        DefaultResourceManager rm = DefaultResourceManager.get();
+
+        //register:TYPE_REG_RM = 103 , TYPE_REG_RM_RESULT = 104
+        String rid = "mock-action";
+        Action1 target = new Action1Impl();
+
+        RemotingParser remotingParser = DefaultRemotingParser.get().isRemoting(target, rid);
+        if (remotingParser == null) {
+            throw new RuntimeException("not support remoting");
+        }
+        DefaultRemotingParser.get().parserRemotingServiceInfo(target, rid, remotingParser);
+        LOGGER.info("registerResource ok");
+
+        //branchRegister:TYPE_BRANCH_REGISTER = 11 , TYPE_BRANCH_REGISTER_RESULT = 12
+        Long branchId = rm.branchRegister(BranchType.AT, rid, "1", "1", "1", "1");
+        LOGGER.info("branchRegister ok, branchId=" + branchId);
+
+
+        // branchReport:TYPE_BRANCH_STATUS_REPORT = 13 , TYPE_BRANCH_STATUS_REPORT_RESULT = 14
+        // TYPE_SEATA_MERGE = 59 , TYPE_SEATA_MERGE_RESULT = 60
+        rm.branchReport(BranchType.AT, "1", branchId, BranchStatus.PhaseTwo_Committed, "");
+        LOGGER.info("branchReport ok");
+
+        //lockQuery:TYPE_GLOBAL_LOCK_QUERY = 21 , TYPE_GLOBAL_LOCK_QUERY_RESULT = 22
+        RootContext.bind("1");
+        boolean b = rm.lockQuery(BranchType.AT, rid, "1", "1");
+        LOGGER.info("lockQuery ok, result=" + b);
+
+        RmNettyRemotingClient remotingClient = RmNettyRemotingClient.getInstance();
+        remotingClient.getClientChannelManager().getChannels().forEach(
+                (key, value) -> RmNettyRemotingClient.getInstance().sendAsyncRequest(value, HeartbeatMessage.PING));
+
+        try {
+            Thread.sleep(3000);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
diff --git a/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/TmClientTestV160.java b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/TmClientTestV160.java
new file mode 100644
index 00000000000..bc0c54d4a1f
--- /dev/null
+++ b/test-mock/test-client-v1-1.6.0/src/main/java/io/seata/core/rpc/netty/TmClientTestV160.java
@@ -0,0 +1,75 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+
+import io.netty.channel.Channel;
+import io.seata.core.model.GlobalStatus;
+import io.seata.core.model.TransactionManager;
+import io.seata.tm.DefaultTransactionManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * TmClient Test
+ *
+ * @author minghua.xie
+ * @date 2023/11/10
+ **/
+public class TmClientTestV160 {
+
+    protected static final Logger LOGGER = LoggerFactory.getLogger(TmClientTestV160.class);
+    public static void main(String[] args) throws Exception {
+
+        TmNettyRemotingClient tmNettyRemotingClient = TmNettyRemotingClient.getInstance(
+                MockConstants.APPLICATION_ID, MockConstants.SERVICE_GROUP);
+        tmNettyRemotingClient.init();
+        TransactionManager tm = new DefaultTransactionManager();
+
+        //register:TYPE_REG_CLT = 101 , TYPE_REG_CLT_RESULT = 102
+        Channel channel = TmNettyRemotingClient.getInstance().getClientChannelManager()
+                .acquireChannel(MockConstants.SERVER_ADDRESS);
+        LOGGER.info("TM register ok:channel=" + channel);
+
+        //globalBegin:TYPE_GLOBAL_BEGIN = 1 , TYPE_GLOBAL_BEGIN_RESULT = 2
+        String xid = tm.begin(MockConstants.APPLICATION_ID,
+                MockConstants.SERVICE_GROUP, "test", 60000);
+        LOGGER.info("globalBegin ok:xid=" + xid);
+
+        if (xid == null) {
+            xid = "6";
+        }
+
+        //globalCommit:TYPE_GLOBAL_COMMIT = 7 , TYPE_GLOBAL_COMMIT_RESULT = 8
+        GlobalStatus commit = tm.commit(xid);
+        LOGGER.info("globalCommit ok:" + commit);
+
+        //globalRollback:TYPE_GLOBAL_ROLLBACK = 9 , TYPE_GLOBAL_ROLLBACK_RESULT = 10
+        GlobalStatus rollback = tm.rollback(xid);
+        LOGGER.info("globalRollback ok:" + rollback);
+
+
+        //getStatus:TYPE_GLOBAL_STATUS = 15 , TYPE_GLOBAL_STATUS_RESULT = 16
+        GlobalStatus status = tm.getStatus(xid);
+        LOGGER.info("getStatus ok:" + status);
+
+        //globalReport:TYPE_GLOBAL_REPORT = 17 , TYPE_GLOBAL_REPORT_RESULT = 18
+        GlobalStatus globalReport = tm.globalReport(xid, GlobalStatus.Committed);
+        LOGGER.info("globalReport ok:" + globalReport);
+
+    }
+
+}
diff --git a/test-mock/test-client-v1-1.6.0/src/main/resources/file.conf b/test-mock/test-client-v1-1.6.0/src/main/resources/file.conf
new file mode 100644
index 00000000000..a06899c4a03
--- /dev/null
+++ b/test-mock/test-client-v1-1.6.0/src/main/resources/file.conf
@@ -0,0 +1,21 @@
+ #  Copyright 1999-2019 Seata.io Group.
+ #
+ #  Licensed under the Apache License, Version 2.0 (the "License");
+ #  you may not use this file except in compliance with the License.
+ #  You may obtain a copy of the License at
+ #
+ #  http://www.apache.org/licenses/LICENSE-2.0
+ #
+ #  Unless required by applicable law or agreed to in writing, software
+ #  distributed under the License is distributed on an "AS IS" BASIS,
+ #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ #  See the License for the specific language governing permissions and
+ #  limitations under the License.
+service {
+  #transaction service group mapping
+  vgroupMapping.default_tx_group = "default"
+  #only support when registry.type=file, please don't set multiple addresses
+  default.grouplist = "127.0.0.1:8091"
+  #disable seata
+  disableGlobalTransaction = false
+}
\ No newline at end of file
diff --git a/test-mock/test-client-v1-1.6.0/src/main/resources/registry.conf b/test-mock/test-client-v1-1.6.0/src/main/resources/registry.conf
new file mode 100644
index 00000000000..7870e78a687
--- /dev/null
+++ b/test-mock/test-client-v1-1.6.0/src/main/resources/registry.conf
@@ -0,0 +1,30 @@
+#  Copyright 1999-2019 Seata.io Group.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+registry {
+  # file 、nacos 、eureka、redis、zk、consul、etcd3、sofa
+  type = "file"
+
+  file {
+    name = "file.conf"
+  }
+}
+
+config {
+  # file、nacos 、apollo、zk、consul、etcd3
+  type = "file"
+
+  file {
+    name = "file.conf"
+  }
+}
\ No newline at end of file
diff --git a/test-mock/test-client-v1/pom.xml b/test-mock/test-client-v1/pom.xml
new file mode 100644
index 00000000000..358d9f67f1d
--- /dev/null
+++ b/test-mock/test-client-v1/pom.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>io.seata</groupId>
+        <artifactId>seata-mock</artifactId>
+        <version>${revision}</version>
+    </parent>
+
+    <artifactId>seata-test-client-v1</artifactId>
+    <description>test for Seata protocol(v1-2.0.0)</description>
+
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>seata-all</artifactId>
+            <version>${project.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>slf4j-log4j12</artifactId>
+                    <groupId>org.slf4j</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>log4j</artifactId>
+                    <groupId>log4j</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>org.slf4j</groupId>-->
+<!--            <artifactId>slf4j-api</artifactId>-->
+<!--            <version>1.7.36</version>-->
+<!--        </dependency>-->
+<!--        <dependency>-->
+<!--            <groupId>org.slf4j</groupId>-->
+<!--            <artifactId>slf4j-simple</artifactId>-->
+<!--            <version>1.7.36</version>-->
+<!--        </dependency>-->
+<!--        <dependency>-->
+<!--            <groupId>ch.qos.logback</groupId>-->
+<!--            <artifactId>logback-classic</artifactId>-->
+<!--            <version>1.2.12</version>-->
+<!--        </dependency>-->
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/Action1.java b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/Action1.java
new file mode 100644
index 00000000000..a7ec40200b5
--- /dev/null
+++ b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/Action1.java
@@ -0,0 +1,25 @@
+package io.seata.core.rpc.netty;
+
+import io.seata.rm.tcc.api.BusinessActionContext;
+import io.seata.rm.tcc.api.BusinessActionContextParameter;
+import io.seata.rm.tcc.api.LocalTCC;
+import io.seata.rm.tcc.api.TwoPhaseBusinessAction;
+
+import java.util.Map;
+
+@LocalTCC
+public interface Action1 {
+
+    @TwoPhaseBusinessAction(name = "mock-action", commitMethod = "commitTcc", rollbackMethod = "cancel"
+//            , useTCCFence = true
+    )
+    String insert(@BusinessActionContextParameter Long reqId,
+            @BusinessActionContextParameter(paramName = "params") Map<String, String> params
+    );
+
+
+    boolean commitTcc(BusinessActionContext actionContext);
+
+
+    boolean cancel(BusinessActionContext actionContext);
+}
diff --git a/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/Action1Impl.java b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/Action1Impl.java
new file mode 100644
index 00000000000..6ea822f2cf8
--- /dev/null
+++ b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/Action1Impl.java
@@ -0,0 +1,35 @@
+package io.seata.core.rpc.netty;
+
+
+import io.seata.rm.tcc.api.BusinessActionContext;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.Map;
+
+
+@Service
+public class Action1Impl implements Action1 {
+
+    @Override
+    public String insert(Long reqId,Map<String, String> params) {
+        System.out.println("prepare");
+        return "prepare";
+    }
+
+
+    @Override
+    public boolean commitTcc(BusinessActionContext actionContext) {
+        System.out.println("commitTcc");
+        return true;
+    }
+
+    @Override
+    public boolean cancel(BusinessActionContext actionContext) {
+        System.out.println("cancel");
+        return true;
+    }
+
+
+}
diff --git a/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/MockConstants.java b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/MockConstants.java
new file mode 100644
index 00000000000..8960115aa4e
--- /dev/null
+++ b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/MockConstants.java
@@ -0,0 +1,28 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+/**
+ * Mock Constants
+ *
+ * @author minghua.xie
+ * @date 2023/11/21
+ **/
+public class MockConstants {
+    public static final String APPLICATION_ID = "my_app_test";
+    public static final String SERVICE_GROUP = "default_tx_group";
+    public static final String SERVER_ADDRESS = "0.0.0.0:8091";
+}
diff --git a/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/RmClientTestV1.java b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/RmClientTestV1.java
new file mode 100644
index 00000000000..71667541822
--- /dev/null
+++ b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/RmClientTestV1.java
@@ -0,0 +1,71 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+import io.seata.core.context.RootContext;
+import io.seata.core.exception.TransactionException;
+import io.seata.core.model.BranchStatus;
+import io.seata.core.model.BranchType;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.integration.tx.api.interceptor.parser.DefaultResourceRegisterParser;
+import io.seata.rm.DefaultResourceManager;
+import io.seata.rm.RMClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * rm client test
+ *
+ * @author minghua.xie
+ * @date 2023/11/21
+ **/
+public class RmClientTestV1 {
+    protected static final Logger LOGGER = LoggerFactory.getLogger(RmClientTestV1.class);
+    public static void main(String[] args) throws TransactionException {
+        RMClient.init(MockConstants.APPLICATION_ID, MockConstants.SERVICE_GROUP);
+        DefaultResourceManager rm = DefaultResourceManager.get();
+
+        //register:TYPE_REG_RM = 103 , TYPE_REG_RM_RESULT = 104
+        String rid = "mock-action";
+        Action1 target = new Action1Impl();
+        DefaultResourceRegisterParser.get().registerResource(target, rid);
+        LOGGER.info("registerResource ok");
+
+        //branchRegister:TYPE_BRANCH_REGISTER = 11 , TYPE_BRANCH_REGISTER_RESULT = 12
+        Long branchId = rm.branchRegister(BranchType.AT, rid, "1", "1", "1", "1");
+        LOGGER.info("branchRegister ok, branchId=" + branchId);
+
+
+        // branchReport:TYPE_BRANCH_STATUS_REPORT = 13 , TYPE_BRANCH_STATUS_REPORT_RESULT = 14
+        // TYPE_SEATA_MERGE = 59 , TYPE_SEATA_MERGE_RESULT = 60
+        rm.branchReport(BranchType.AT, "1", branchId, BranchStatus.PhaseTwo_Committed, "");
+        LOGGER.info("branchReport ok");
+
+        //lockQuery:TYPE_GLOBAL_LOCK_QUERY = 21 , TYPE_GLOBAL_LOCK_QUERY_RESULT = 22
+        RootContext.bind("1");
+        boolean b = rm.lockQuery(BranchType.AT, rid, "1", "1");
+        LOGGER.info("lockQuery ok, result=" + b);
+
+        RmNettyRemotingClient remotingClient = RmNettyRemotingClient.getInstance();
+        remotingClient.getClientChannelManager().getChannels().forEach(
+                (key, value) -> RmNettyRemotingClient.getInstance().sendAsyncRequest(value, HeartbeatMessage.PING));
+        try {
+            Thread.sleep(3000);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
diff --git a/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/TmClientTestV1.java b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/TmClientTestV1.java
new file mode 100644
index 00000000000..655c0011bc8
--- /dev/null
+++ b/test-mock/test-client-v1/src/main/java/io/seata/core/rpc/netty/TmClientTestV1.java
@@ -0,0 +1,75 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.rpc.netty;
+
+
+import io.netty.channel.Channel;
+import io.seata.core.model.GlobalStatus;
+import io.seata.core.model.TransactionManager;
+import io.seata.tm.DefaultTransactionManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * TmClient Test
+ *
+ * @author minghua.xie
+ * @date 2023/11/10
+ **/
+public class TmClientTestV1 {
+
+    protected static final Logger LOGGER = LoggerFactory.getLogger(TmClientTestV1.class);
+    public static void main(String[] args) throws Exception {
+
+        TmNettyRemotingClient tmNettyRemotingClient = TmNettyRemotingClient.getInstance(
+                MockConstants.APPLICATION_ID, MockConstants.SERVICE_GROUP);
+        tmNettyRemotingClient.init();
+        TransactionManager tm = new DefaultTransactionManager();
+
+        //register:TYPE_REG_CLT = 101 , TYPE_REG_CLT_RESULT = 102
+        Channel channel = TmNettyRemotingClient.getInstance().getClientChannelManager()
+                .acquireChannel(MockConstants.SERVER_ADDRESS);
+        LOGGER.info("TM register ok:channel=" + channel);
+
+        //globalBegin:TYPE_GLOBAL_BEGIN = 1 , TYPE_GLOBAL_BEGIN_RESULT = 2
+        String xid = tm.begin(MockConstants.APPLICATION_ID,
+                MockConstants.SERVICE_GROUP, "test", 60000);
+        LOGGER.info("globalBegin ok:xid=" + xid);
+
+        if (xid == null) {
+            xid = "6";
+        }
+
+        //globalCommit:TYPE_GLOBAL_COMMIT = 7 , TYPE_GLOBAL_COMMIT_RESULT = 8
+        GlobalStatus commit = tm.commit(xid);
+        LOGGER.info("globalCommit ok:" + commit);
+
+        //globalRollback:TYPE_GLOBAL_ROLLBACK = 9 , TYPE_GLOBAL_ROLLBACK_RESULT = 10
+        GlobalStatus rollback = tm.rollback(xid);
+        LOGGER.info("globalRollback ok:" + rollback);
+
+
+        //getStatus:TYPE_GLOBAL_STATUS = 15 , TYPE_GLOBAL_STATUS_RESULT = 16
+        GlobalStatus status = tm.getStatus(xid);
+        LOGGER.info("getStatus ok:" + status);
+
+        //globalReport:TYPE_GLOBAL_REPORT = 17 , TYPE_GLOBAL_REPORT_RESULT = 18
+        GlobalStatus globalReport = tm.globalReport(xid, GlobalStatus.Committed);
+        LOGGER.info("globalReport ok:" + globalReport);
+
+    }
+
+}
diff --git a/test-mock/test-client-v1/src/main/resources/file.conf b/test-mock/test-client-v1/src/main/resources/file.conf
new file mode 100644
index 00000000000..a06899c4a03
--- /dev/null
+++ b/test-mock/test-client-v1/src/main/resources/file.conf
@@ -0,0 +1,21 @@
+ #  Copyright 1999-2019 Seata.io Group.
+ #
+ #  Licensed under the Apache License, Version 2.0 (the "License");
+ #  you may not use this file except in compliance with the License.
+ #  You may obtain a copy of the License at
+ #
+ #  http://www.apache.org/licenses/LICENSE-2.0
+ #
+ #  Unless required by applicable law or agreed to in writing, software
+ #  distributed under the License is distributed on an "AS IS" BASIS,
+ #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ #  See the License for the specific language governing permissions and
+ #  limitations under the License.
+service {
+  #transaction service group mapping
+  vgroupMapping.default_tx_group = "default"
+  #only support when registry.type=file, please don't set multiple addresses
+  default.grouplist = "127.0.0.1:8091"
+  #disable seata
+  disableGlobalTransaction = false
+}
\ No newline at end of file
diff --git a/test-mock/test-client-v1/src/main/resources/registry.conf b/test-mock/test-client-v1/src/main/resources/registry.conf
new file mode 100644
index 00000000000..7870e78a687
--- /dev/null
+++ b/test-mock/test-client-v1/src/main/resources/registry.conf
@@ -0,0 +1,30 @@
+#  Copyright 1999-2019 Seata.io Group.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+registry {
+  # file 、nacos 、eureka、redis、zk、consul、etcd3、sofa
+  type = "file"
+
+  file {
+    name = "file.conf"
+  }
+}
+
+config {
+  # file、nacos 、apollo、zk、consul、etcd3
+  type = "file"
+
+  file {
+    name = "file.conf"
+  }
+}
\ No newline at end of file
diff --git a/test-protocol-mock-server/pom.xml b/test-mock/test-mock-server/pom.xml
similarity index 72%
rename from test-protocol-mock-server/pom.xml
rename to test-mock/test-mock-server/pom.xml
index 6fdc4a271c9..154b949dbac 100644
--- a/test-protocol-mock-server/pom.xml
+++ b/test-mock/test-mock-server/pom.xml
@@ -19,13 +19,13 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>io.seata</groupId>
-        <artifactId>seata-parent</artifactId>
+        <artifactId>seata-mock</artifactId>
         <version>${revision}</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
-    <artifactId>seata-test-protocol-mock-server</artifactId>
+    <artifactId>seata-mock-server</artifactId>
     <packaging>jar</packaging>
-    <name>seata-test-protocol-mock-server ${project.version}</name>
+    <name>seata-test-protocol-mock-server</name>
     <description>test for Seata protocol</description>
 
     <build>
@@ -42,9 +42,19 @@
 
     <dependencies>
         <dependency>
-            <groupId>${project.groupId}</groupId>
-            <artifactId>seata-core</artifactId>
+            <groupId>io.seata</groupId>
+            <artifactId>seata-server</artifactId>
             <version>${project.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>slf4j-log4j12</artifactId>
+                    <groupId>org.slf4j</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>log4j</artifactId>
+                    <groupId>log4j</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
     </dependencies>
 
diff --git a/test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockCoordinator.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockCoordinator.java
new file mode 100644
index 00000000000..196b1f6872c
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockCoordinator.java
@@ -0,0 +1,134 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mockserver;
+
+import io.seata.core.exception.TransactionException;
+import io.seata.core.model.BranchStatus;
+import io.seata.core.model.GlobalStatus;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.AbstractResultMessage;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.protocol.ResultCode;
+import io.seata.core.protocol.Version;
+import io.seata.core.protocol.transaction.*;
+import io.seata.core.rpc.Disposable;
+import io.seata.core.rpc.RemotingServer;
+import io.seata.core.rpc.RpcContext;
+import io.seata.core.rpc.TransactionMessageHandler;
+import io.seata.core.rpc.netty.ChannelManager;
+import io.seata.mockserver.call.CallRm;
+import io.seata.serializer.seata.MessageCodecFactory;
+import io.seata.serializer.seata.MessageSeataCodec;
+import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
+import io.seata.server.AbstractTCInboundHandler;
+
+/**
+ * Mock Coordinator
+ *
+ * @author minghua.xie
+ * @date 2023/11/14
+ **/
+public class MockCoordinator extends AbstractTCInboundHandler implements TransactionMessageHandler, Disposable {
+
+    RemotingServer remotingServer;
+    @Override
+    public void destroy() {
+
+    }
+
+    @Override
+    public AbstractResultMessage onRequest(AbstractMessage request, RpcContext context) {
+        if (!(request instanceof AbstractTransactionRequestToTC)) {
+            throw new IllegalArgumentException();
+        }
+        AbstractTransactionRequestToTC transactionRequest = (AbstractTransactionRequestToTC) request;
+        transactionRequest.setTCInboundHandler(this);
+
+        return transactionRequest.handle(context);
+    }
+
+    @Override
+    public void onResponse(AbstractResultMessage response, RpcContext context) {
+        response.setResultCode(ResultCode.Success);
+    }
+
+    @Override
+    protected void doGlobalBegin(GlobalBeginRequest request, GlobalBeginResponse response, RpcContext rpcContext) throws TransactionException {
+        response.setXid("666");
+        response.setResultCode(ResultCode.Success);
+    }
+
+    @Override
+    protected void doGlobalCommit(GlobalCommitRequest request, GlobalCommitResponse response, RpcContext rpcContext) throws TransactionException {
+        response.setGlobalStatus(GlobalStatus.Committed);
+        response.setResultCode(ResultCode.Success);
+    }
+
+    @Override
+    protected void doGlobalRollback(GlobalRollbackRequest request, GlobalRollbackResponse response, RpcContext rpcContext) throws TransactionException {
+        response.setGlobalStatus(GlobalStatus.Rollbacked);
+        response.setResultCode(ResultCode.Success);
+    }
+
+    @Override
+    protected void doBranchRegister(BranchRegisterRequest request, BranchRegisterResponse response, RpcContext rpcContext) throws TransactionException {
+        response.setBranchId(9L);
+        response.setResultCode(ResultCode.Success);
+
+        String resourceId = request.getResourceId();
+        String clientId = rpcContext.getClientId();
+
+        Thread thread = new Thread(() -> {
+            try {
+                Thread.sleep(1000);
+                BranchStatus commit = CallRm.branchCommit(remotingServer, resourceId, clientId);
+                BranchStatus rollback = CallRm.branchRollback(remotingServer, resourceId, clientId);
+                if (ProtocolConstants.VERSION_0 != Version.calcProtocolVersion(rpcContext.getVersion())) {
+                    CallRm.deleteUndoLog(remotingServer, resourceId, clientId);
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        });
+        thread.start();
+    }
+
+    @Override
+    protected void doBranchReport(BranchReportRequest request, BranchReportResponse response, RpcContext rpcContext) throws TransactionException {
+        response.setResultCode(ResultCode.Success);
+    }
+
+    @Override
+    protected void doLockCheck(GlobalLockQueryRequest request, GlobalLockQueryResponse response, RpcContext rpcContext) throws TransactionException {
+        response.setResultCode(ResultCode.Success);
+    }
+
+    @Override
+    protected void doGlobalStatus(GlobalStatusRequest request, GlobalStatusResponse response, RpcContext rpcContext) throws TransactionException {
+        response.setGlobalStatus(GlobalStatus.Committed);
+        response.setResultCode(ResultCode.Success);
+    }
+
+    @Override
+    protected void doGlobalReport(GlobalReportRequest request, GlobalReportResponse response, RpcContext rpcContext) throws TransactionException {
+        response.setGlobalStatus(GlobalStatus.Committed);
+        response.setResultCode(ResultCode.Success);
+    }
+
+    public void setRemotingServer(RemotingServer remotingServer) {
+        this.remotingServer = remotingServer;
+    }
+}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tc/MockNettyRemotingServer.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockNettyRemotingServer.java
similarity index 62%
rename from test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tc/MockNettyRemotingServer.java
rename to test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockNettyRemotingServer.java
index 82223c6576f..cf51d7218db 100644
--- a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tc/MockNettyRemotingServer.java
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockNettyRemotingServer.java
@@ -13,35 +13,23 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package io.seata.mock.protocol.tc;
+package io.seata.mockserver;
 
 import io.netty.channel.Channel;
-import io.seata.common.thread.NamedThreadFactory;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.MessageType;
-import io.seata.core.protocol.RegisterRMRequest;
-import io.seata.core.protocol.RegisterRMResponse;
-import io.seata.core.protocol.RegisterTMRequest;
-import io.seata.core.protocol.RegisterTMResponse;
-import io.seata.core.rpc.RpcContext;
-import io.seata.core.rpc.ShutdownHook;
 import io.seata.core.rpc.TransactionMessageHandler;
 import io.seata.core.rpc.netty.AbstractNettyRemotingServer;
 import io.seata.core.rpc.netty.NettyServerConfig;
-import io.seata.core.rpc.processor.server.RegRmProcessor;
-import io.seata.core.rpc.processor.server.RegTmProcessor;
 import io.seata.core.rpc.processor.server.ServerHeartbeatProcessor;
-import io.seata.core.rpc.processor.server.ServerOnRequestProcessor;
-import io.seata.core.rpc.processor.server.ServerOnResponseProcessor;
-import io.seata.mock.protocol.MockRemotingProcessor;
+import io.seata.mockserver.processor.MockHeartbeatProcessor;
+import io.seata.mockserver.processor.MockOnReqProcessor;
+import io.seata.mockserver.processor.MockOnRespProcessor;
+import io.seata.mockserver.processor.MockRemotingProcessor;
+import io.seata.mockserver.processor.MockRegisterProcessor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  * The mock netty remoting server.
@@ -52,17 +40,23 @@ public class MockNettyRemotingServer extends AbstractNettyRemotingServer {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(MockNettyRemotingServer.class);
 
+    private TransactionMessageHandler handler;
+
+    public void setHandler(TransactionMessageHandler transactionMessageHandler) {
+        this.handler = transactionMessageHandler;
+    }
 
     @Override
     public void init() {
         // registry processor
         registerProcessor();
+        super.init();
     }
 
     /**
      * Instantiates a new Rpc remoting server.
      *
-     * @param messageExecutor   the message executor
+     * @param messageExecutor the message executor
      */
     public MockNettyRemotingServer(ThreadPoolExecutor messageExecutor) {
         super(messageExecutor, new NettyServerConfig());
@@ -77,25 +71,9 @@ public void destroyChannel(String serverAddress, Channel channel) {
         channel.close();
     }
 
-    private TransactionMessageHandler getHandler(){
-        return new TransactionMessageHandler() {
-            @Override
-            public AbstractResultMessage onRequest(AbstractMessage request, RpcContext context) {
-                return null;
-            }
-
-            @Override
-            public void onResponse(AbstractResultMessage response, RpcContext context) {
-
-            }
-        };
-    }
-
     private void registerProcessor() {
         // 1. registry on request message processor
-        ServerOnRequestProcessor onRequestProcessor =
-            new ServerOnRequestProcessor(this, getHandler());
-        ShutdownHook.getInstance().addDisposable(onRequestProcessor);
+        MockOnReqProcessor onRequestProcessor = new MockOnReqProcessor(this, handler);
         super.registerProcessor(MessageType.TYPE_BRANCH_REGISTER, onRequestProcessor, messageExecutor);
         super.registerProcessor(MessageType.TYPE_BRANCH_STATUS_REPORT, onRequestProcessor, messageExecutor);
         super.registerProcessor(MessageType.TYPE_GLOBAL_BEGIN, onRequestProcessor, messageExecutor);
@@ -107,21 +85,20 @@ private void registerProcessor() {
         super.registerProcessor(MessageType.TYPE_SEATA_MERGE, onRequestProcessor, messageExecutor);
 
         // 2. registry on response message processor
-        ServerOnResponseProcessor onResponseProcessor =
-            new ServerOnResponseProcessor(getHandler(), getFutures());
+        MockOnRespProcessor onResponseProcessor = new MockOnRespProcessor(this, handler,getFutures());
         super.registerProcessor(MessageType.TYPE_BRANCH_COMMIT_RESULT, onResponseProcessor, messageExecutor);
         super.registerProcessor(MessageType.TYPE_BRANCH_ROLLBACK_RESULT, onResponseProcessor, messageExecutor);
 
-        // 3. registry rm message processor
-        MockRemotingProcessor regRmProcessor = new MockRemotingProcessor<RegisterRMRequest,RegisterRMResponse>(
-                RegisterRMResponse.class,this);
+        // 3. registry rm reg processor
+        MockRegisterProcessor regRmProcessor = new MockRegisterProcessor(this, MockRegisterProcessor.Role.RM);
         super.registerProcessor(MessageType.TYPE_REG_RM, regRmProcessor, messageExecutor);
-        // 4. registry tm message processor
-        MockRemotingProcessor regTmProcessor = new MockRemotingProcessor<RegisterTMRequest, RegisterTMResponse>(
-                RegisterTMResponse.class,this);
+
+        // 4. registry tm reg processor
+        MockRegisterProcessor regTmProcessor = new MockRegisterProcessor(this, MockRegisterProcessor.Role.TM);
         super.registerProcessor(MessageType.TYPE_REG_CLT, regTmProcessor, null);
+
         // 5. registry heartbeat message processor
-        ServerHeartbeatProcessor heartbeatMessageProcessor = new ServerHeartbeatProcessor(this);
+        MockHeartbeatProcessor heartbeatMessageProcessor = new MockHeartbeatProcessor(this,handler);
         super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, heartbeatMessageProcessor, null);
     }
 
diff --git a/test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockServer.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockServer.java
new file mode 100644
index 00000000000..3a7e6297f38
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/MockServer.java
@@ -0,0 +1,70 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mockserver;
+
+import io.seata.common.XID;
+import io.seata.common.thread.NamedThreadFactory;
+import io.seata.common.util.NetUtil;
+import io.seata.server.UUIDGenerator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+import java.lang.management.ManagementFactory;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * The type Mock Server.
+ *
+ * @author Bughue
+ */
+@SpringBootApplication
+public class MockServer {
+
+    protected static final Logger LOGGER = LoggerFactory.getLogger(MockServer.class);
+
+    /**
+     * The entry point of application.
+     *
+     * @param args the input arguments
+     */
+    public static void main(String[] args) {
+        SpringApplication.run(MockServer.class, args);
+
+        ThreadPoolExecutor workingThreads = new ThreadPoolExecutor(50,
+                50, 500, TimeUnit.SECONDS,
+                new LinkedBlockingQueue<>(20000),
+                new NamedThreadFactory("ServerHandlerThread", 500), new ThreadPoolExecutor.CallerRunsPolicy());
+
+        MockNettyRemotingServer nettyRemotingServer = new MockNettyRemotingServer(workingThreads);
+
+        // set registry
+        XID.setIpAddress(NetUtil.getLocalIp());
+        XID.setPort(8092);
+        // init snowflake for transactionId, branchId
+        UUIDGenerator.init(1L);
+
+        MockCoordinator coordinator = new MockCoordinator();
+        coordinator.setRemotingServer(nettyRemotingServer);
+        nettyRemotingServer.setHandler(coordinator);
+        nettyRemotingServer.init();
+
+        LOGGER.info("pid info: "+ ManagementFactory.getRuntimeMXBean().getName());
+    }
+}
diff --git a/test-mock/test-mock-server/src/main/java/io/seata/mockserver/call/CallRm.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/call/CallRm.java
new file mode 100644
index 00000000000..b693fb9a3a0
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/call/CallRm.java
@@ -0,0 +1,106 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mockserver.call;
+
+import io.netty.channel.Channel;
+import io.seata.core.model.BranchStatus;
+import io.seata.core.model.BranchType;
+import io.seata.core.protocol.transaction.AbstractBranchEndRequest;
+import io.seata.core.protocol.transaction.BranchCommitRequest;
+import io.seata.core.protocol.transaction.BranchCommitResponse;
+import io.seata.core.protocol.transaction.BranchRollbackRequest;
+import io.seata.core.protocol.transaction.BranchRollbackResponse;
+import io.seata.core.protocol.transaction.UndoLogDeleteRequest;
+import io.seata.core.rpc.RemotingServer;
+import io.seata.core.rpc.netty.ChannelManager;
+
+import java.util.concurrent.TimeoutException;
+
+/**
+ * call rm
+ *
+ * @author minghua.xie
+ * @date 2023/11/21
+ **/
+public class CallRm {
+
+    /**
+     * call branchCommit :TYPE_BRANCH_COMMIT = 3 , TYPE_BRANCH_COMMIT_RESULT = 4
+     *
+     * @param remotingServer
+     * @return
+     */
+    public static BranchStatus branchCommit(RemotingServer remotingServer, String resourceId, String clientId) {
+        BranchCommitRequest request = new BranchCommitRequest();
+        setReq(request, resourceId);
+
+        try {
+            BranchCommitResponse response = (BranchCommitResponse) remotingServer.sendSyncRequest(
+                    resourceId, clientId, request, false);
+            return response.getBranchStatus();
+        } catch (TimeoutException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+
+    /**
+     * call branchRollback :TYPE_BRANCH_ROLLBACK = 5 , TYPE_BRANCH_ROLLBACK_RESULT = 6
+     *
+     * @param remotingServer
+     * @return
+     */
+    public static BranchStatus branchRollback(RemotingServer remotingServer, String resourceId, String clientId) {
+        BranchRollbackRequest request = new BranchRollbackRequest();
+        setReq(request, resourceId);
+
+        try {
+            BranchRollbackResponse response = (BranchRollbackResponse) remotingServer.sendSyncRequest(
+                    resourceId, clientId, request, false);
+            return response.getBranchStatus();
+        } catch (TimeoutException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * call deleteUndoLog :TYPE_RM_DELETE_UNDOLOG = 111
+     *
+     * @param remotingServer
+     * @return
+     */
+    public static void deleteUndoLog(RemotingServer remotingServer, String resourceId, String clientId) {
+        UndoLogDeleteRequest request = new UndoLogDeleteRequest();
+        request.setResourceId(resourceId);
+        request.setSaveDays((short) 1);
+        request.setBranchType(BranchType.TCC);
+        try {
+            Channel channel = ChannelManager.getChannel(resourceId, clientId, false);
+            remotingServer.sendAsyncRequest(channel, request);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static void setReq(AbstractBranchEndRequest request, String resourceId) {
+        request.setXid("1");
+        request.setBranchId(1L);
+        request.setResourceId(resourceId);
+        request.setApplicationData("{\"k\":\"v\"}");
+        request.setBranchType(BranchType.TCC);
+        // todo AT SAGA
+    }
+}
diff --git a/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockHeartbeatProcessor.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockHeartbeatProcessor.java
new file mode 100644
index 00000000000..ba49135ebd9
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockHeartbeatProcessor.java
@@ -0,0 +1,25 @@
+package io.seata.mockserver.processor;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.RemotingServer;
+import io.seata.core.rpc.TransactionMessageHandler;
+
+/**
+ * ?
+ *
+ * @author minghua.xie
+ * @date 2023/11/29
+ **/
+public class MockHeartbeatProcessor extends MockRemotingProcessor{
+    public MockHeartbeatProcessor(RemotingServer remotingServer, TransactionMessageHandler handler) {
+        super(remotingServer, handler);
+    }
+
+    @Override
+    public void process(ChannelHandlerContext ctx, RpcMessage rpcMessage) throws Exception {
+        super.process(ctx, rpcMessage);
+        remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), HeartbeatMessage.PONG);
+    }
+}
diff --git a/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockOnReqProcessor.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockOnReqProcessor.java
new file mode 100644
index 00000000000..4e72dbd2d83
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockOnReqProcessor.java
@@ -0,0 +1,78 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mockserver.processor;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.AbstractResultMessage;
+import io.seata.core.protocol.MergeResultMessage;
+import io.seata.core.protocol.MergedWarpMessage;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.RemotingServer;
+import io.seata.core.rpc.RpcContext;
+import io.seata.core.rpc.TransactionMessageHandler;
+import io.seata.core.rpc.netty.ChannelManager;
+import io.seata.core.rpc.processor.server.ServerOnRequestProcessor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Mock Remoting Processor
+ *
+ * @author minghua.xie
+ * @date 2023/11/14
+ **/
+public class MockOnReqProcessor extends MockRemotingProcessor {
+    protected static final Logger LOGGER = LoggerFactory.getLogger(MockOnReqProcessor.class);
+
+
+    public MockOnReqProcessor(RemotingServer remotingServer, TransactionMessageHandler handler) {
+        super(remotingServer, handler);
+    }
+    @Override
+    public void process(ChannelHandlerContext ctx, RpcMessage rpcMessage) throws Exception {
+        super.process(ctx, rpcMessage);
+        Object message = rpcMessage.getBody();
+
+        RpcContext rpcContext = ChannelManager.getContextFromIdentified(ctx.channel());
+
+        // the batch send request message
+        if (message instanceof MergedWarpMessage) {
+            MergedWarpMessage mmsg = (MergedWarpMessage) message;
+            MergeResultMessage resultMessage = new MergeResultMessage();
+            List<AbstractResultMessage> resList = new ArrayList<>();
+            for (int i = 0; i < mmsg.msgs.size(); i++) {
+                AbstractMessage msg = mmsg.msgs.get(i);
+                resList.add(handler.onRequest(msg, rpcContext));
+            }
+            AbstractResultMessage[] resultMsgs = Arrays.copyOf(resList.toArray(), resList.size(), AbstractResultMessage[].class);
+            resultMessage.setMsgs(resultMsgs);
+            remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), resultMessage);
+            LOGGER.info("sendAsyncResponse: {}", resultMessage);
+        } else {
+            final AbstractMessage msg = (AbstractMessage) message;
+            AbstractResultMessage result = handler.onRequest(msg, rpcContext);
+            remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), result);
+            LOGGER.info("sendAsyncResponse: {}", result);
+        }
+    }
+
+
+}
diff --git a/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockOnRespProcessor.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockOnRespProcessor.java
new file mode 100644
index 00000000000..a88b312473e
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockOnRespProcessor.java
@@ -0,0 +1,55 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mockserver.processor;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.seata.core.protocol.MessageFuture;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.RemotingServer;
+import io.seata.core.rpc.TransactionMessageHandler;
+import io.seata.core.rpc.netty.ChannelManager;
+import io.seata.core.rpc.processor.RemotingProcessor;
+
+import java.util.concurrent.ConcurrentMap;
+
+/**
+ * Mock Remoting Processor
+ *
+ * @author minghua.xie
+ * @date 2023/11/14
+ **/
+public class MockOnRespProcessor extends MockRemotingProcessor {
+
+    private ConcurrentMap<Integer, MessageFuture> futures;
+
+
+    public MockOnRespProcessor(RemotingServer remotingServer, TransactionMessageHandler handler
+            , ConcurrentMap<Integer, MessageFuture> futures) {
+        super(remotingServer, handler);
+        this.futures = futures;
+    }
+
+    @Override
+    public void process(ChannelHandlerContext ctx, RpcMessage rpcMessage) throws Exception {
+        super.process(ctx, rpcMessage);
+        MessageFuture messageFuture = futures.remove(rpcMessage.getId());
+        if (messageFuture != null) {
+            messageFuture.setResultMessage(rpcMessage.getBody());
+        }
+    }
+
+
+}
diff --git a/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockRegisterProcessor.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockRegisterProcessor.java
new file mode 100644
index 00000000000..fea7a6a8bf0
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockRegisterProcessor.java
@@ -0,0 +1,78 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mockserver.processor;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.seata.core.protocol.HeartbeatMessage;
+import io.seata.core.protocol.RegisterRMRequest;
+import io.seata.core.protocol.RegisterRMResponse;
+import io.seata.core.protocol.RegisterTMRequest;
+import io.seata.core.protocol.RegisterTMResponse;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.protocol.Version;
+import io.seata.core.rpc.RemotingServer;
+import io.seata.core.rpc.netty.ChannelManager;
+import io.seata.core.rpc.processor.RemotingProcessor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Mock Remoting Processor
+ *
+ * @author minghua.xie
+ * @date 2023/11/14
+ **/
+public class MockRegisterProcessor implements RemotingProcessor {
+
+    protected static final Logger LOGGER = LoggerFactory.getLogger(MockRegisterProcessor.class);
+    private RemotingServer remotingServer;
+    private Role role;
+
+    public MockRegisterProcessor(RemotingServer remotingServer, Role role) {
+        this.remotingServer = remotingServer;
+        this.role = role;
+    }
+
+    @Override
+    public void process(ChannelHandlerContext ctx, RpcMessage rpcMessage) throws Exception {
+        if (role == Role.TM) {
+            RegisterTMRequest message = (RegisterTMRequest) rpcMessage.getBody();
+            LOGGER.info("message = " + message);
+
+            ChannelManager.registerTMChannel(message, ctx.channel());
+            Version.putChannelVersion(ctx.channel(), message.getVersion());
+
+            RegisterTMResponse resp = new RegisterTMResponse();
+            remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), resp);
+            LOGGER.info("sendAsyncResponse: {}", resp);
+        } else if (role == Role.RM) {
+            RegisterRMRequest message = (RegisterRMRequest) rpcMessage.getBody();
+            LOGGER.info("message = " + message);
+
+            ChannelManager.registerRMChannel(message, ctx.channel());
+            Version.putChannelVersion(ctx.channel(), message.getVersion());
+
+            RegisterRMResponse resp = new RegisterRMResponse();
+            remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), resp);
+            LOGGER.info("sendAsyncResponse: {}", resp);
+        }
+    }
+
+
+    public static enum Role {
+        TM, RM
+    }
+}
diff --git a/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockRemotingProcessor.java b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockRemotingProcessor.java
new file mode 100644
index 00000000000..011c0cb7afd
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/java/io/seata/mockserver/processor/MockRemotingProcessor.java
@@ -0,0 +1,52 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.mockserver.processor;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.seata.core.protocol.RpcMessage;
+import io.seata.core.rpc.RemotingServer;
+import io.seata.core.rpc.TransactionMessageHandler;
+import io.seata.core.rpc.processor.RemotingProcessor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Mock Remoting Processor
+ *
+ * @author minghua.xie
+ * @date 2023/11/14
+ **/
+public class MockRemotingProcessor implements RemotingProcessor {
+
+    protected static final Logger LOGGER = LoggerFactory.getLogger(MockRemotingProcessor.class);
+    protected RemotingServer remotingServer;
+    protected final TransactionMessageHandler handler;
+
+
+    public MockRemotingProcessor(RemotingServer remotingServer, TransactionMessageHandler handler) {
+        this.remotingServer = remotingServer;
+        this.handler = handler;
+    }
+
+    @Override
+    public void process(ChannelHandlerContext ctx, RpcMessage rpcMessage) throws Exception {
+        Object message = rpcMessage.getBody();
+        LOGGER.info("process message : " + message);
+
+    }
+
+
+}
diff --git a/test-mock/test-mock-server/src/main/resources/application.yml b/test-mock/test-mock-server/src/main/resources/application.yml
new file mode 100644
index 00000000000..37cee3e20bf
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/resources/application.yml
@@ -0,0 +1,53 @@
+#  Copyright 1999-2019 Seata.io Group.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+server:
+  port: 7091
+
+spring:
+  application:
+    name: seata-server
+
+logging:
+  config: classpath:logback-spring.xml
+  file:
+    path: ${log.home:${user.home}/logs/seata}
+  extend:
+    logstash-appender:
+      destination: 127.0.0.1:4560
+    kafka-appender:
+      bootstrap-servers: 127.0.0.1:9092
+      topic: logback_to_logstash
+
+console:
+  user:
+    username: seata
+    password: seata
+seata:
+  config:
+    # support: nacos, consul, apollo, zk, etcd3
+    type: file
+  registry:
+    # support: nacos, eureka, redis, zk, consul, etcd3, sofa
+    type: file
+  store:
+    # support: file 、 db 、 redis 、 raft
+    mode: file
+  #  server:
+  #    service-port: 8091 #If not configured, the default is '${server.port} + 1000'
+  security:
+    secretKey: SeataSecretKey0c382ef121d778043159209298fd40bf3850a017
+    tokenValidityInMilliseconds: 1800000
+    ignore:
+      urls: /,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.jpeg,/**/*.ico,/api/v1/auth/login,/metadata/v1/**
diff --git a/test-mock/test-mock-server/src/main/resources/logback-spring.xml b/test-mock/test-mock-server/src/main/resources/logback-spring.xml
new file mode 100644
index 00000000000..490141ac6c5
--- /dev/null
+++ b/test-mock/test-mock-server/src/main/resources/logback-spring.xml
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~  Copyright 1999-2019 Seata.io Group.
+  ~
+  ~  Licensed under the Apache License, Version 2.0 (the "License");
+  ~  you may not use this file except in compliance with the License.
+  ~  You may obtain a copy of the License at
+  ~
+  ~       http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~  Unless required by applicable law or agreed to in writing, software
+  ~  distributed under the License is distributed on an "AS IS" BASIS,
+  ~  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~  See the License for the specific language governing permissions and
+  ~  limitations under the License.
+  -->
+
+<configuration scan="true" scanPeriod="60 seconds" debug="false">
+    <!-- Context listeners -->
+    <contextListener class="io.seata.server.logging.listener.SystemPropertyLoggerContextListener"/>
+
+    <!-- The conversion rules are copied from `defaults.xml` in the `spring-boot-xxx.jar` -->
+    <conversionRule conversionWord="clr" converterClass="org.springframework.boot.logging.logback.ColorConverter" />
+    <conversionRule conversionWord="wex" converterClass="org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter" />
+    <conversionRule conversionWord="wEx" converterClass="org.springframework.boot.logging.logback.ExtendedWhitespaceThrowableProxyConverter" />
+    <!-- The custom conversion rules -->
+    <conversionRule conversionWord="wEx2" converterClass="io.seata.server.logging.logback.ExtendedWhitespaceThrowableProxyConverter"/>
+
+    <!-- common properties -->
+    <springProperty name="PORT" source="server.port" defaultValue="7091"/>
+    <springProperty name="LOG_BASH_DIR" source="spring.config.additional-location" defaultValue="" />
+    <springProperty name="APPLICATION_NAME" source="spring.application.name" defaultValue="seata-server"/>
+
+    <if condition='property("LOG_BASH_DIR").equals("")' >
+        <then>
+            <!-- console-appender -->
+            <include resource="logback/console-appender.xml"/>
+
+            <!-- file-appender -->
+            <include resource="logback/file-appender.xml"/>
+
+            <!-- logstash-appender: off by default -->
+            <!--<include resource="logback/logstash-appender.xml"/>-->
+            <!-- metric-appender: off by default -->
+            <!--<include resource="logback/metric-appender.xml"/>-->
+            <!-- kafka-appender: off by default -->
+            <!--<include resource="logback/kafka-appender.xml"/>-->
+        </then>
+        <else>
+            <include file="${LOG_BASH_DIR}/logback/console-appender.xml"/>
+            <include file="${LOG_BASH_DIR}/logback/file-appender.xml"/>
+            <!-- logstash-appender: off by default -->
+            <!--<include file="${LOG_BASH_DIR}/logback/logstash-appender.xml"/>-->
+            <!-- metric-appender: off by default -->
+            <!--<include file="${LOG_BASH_DIR}/logback/metric-appender.xml"/>-->
+            <!-- kafka-appender: off by default -->
+            <!--<include file="${LOG_BASH_DIR}/logback/kafka-appender.xml"/>-->
+        </else>
+    </if>
+
+
+
+    <appender name="ASYNC_CONSOLE" class="ch.qos.logback.classic.AsyncAppender">
+        <!-- console-appender -->
+        <appender-ref ref="CONSOLE"/>
+        <includeCallerData>true</includeCallerData>
+        <discardingThreshold>0</discardingThreshold>
+        <queueSize>2048</queueSize>
+        <neverBlock>true</neverBlock>
+    </appender>
+    <appender name="ASYNC_FILE_ALL" class="ch.qos.logback.classic.AsyncAppender">
+        <!-- file-appender -->
+        <appender-ref ref="FILE_ALL"/>
+        <includeCallerData>true</includeCallerData>
+        <discardingThreshold>0</discardingThreshold>
+        <queueSize>2048</queueSize>
+        <neverBlock>true</neverBlock>
+    </appender>
+    <appender name="ASYNC_FILE_WARN" class="ch.qos.logback.classic.AsyncAppender">
+        <appender-ref ref="FILE_WARN"/>
+        <includeCallerData>true</includeCallerData>
+        <discardingThreshold>0</discardingThreshold>
+        <queueSize>1024</queueSize>
+        <neverBlock>true</neverBlock>
+    </appender>
+    <appender name="ASYNC_FILE_ERROR" class="ch.qos.logback.classic.AsyncAppender">
+        <appender-ref ref="FILE_ERROR"/>
+        <includeCallerData>true</includeCallerData>
+        <discardingThreshold>0</discardingThreshold>
+        <queueSize>1024</queueSize>
+        <neverBlock>true</neverBlock>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="ASYNC_CONSOLE"/>
+        <appender-ref ref="ASYNC_FILE_ALL"/>
+        <appender-ref ref="ASYNC_FILE_WARN"/>
+        <appender-ref ref="ASYNC_FILE_ERROR"/>
+        <!-- logstash-appender: off by default -->
+        <!--<appender-ref ref="LOGSTASH"/>-->
+
+        <!-- kafka-appender: off by default -->
+        <!--<appender-ref ref="KAFKA"/>-->
+
+        <!-- metric-appender: off by default -->
+        <!--<appender-ref ref="METRIC"/>-->
+    </root>
+    <logger name="org.springframework.security.config.annotation.web.builders.WebSecurity" level="ERROR"/>
+    <logger name="org.springframework.security.web.DefaultSecurityFilterChain" level="ERROR"/>
+</configuration>
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
deleted file mode 100644
index fad37c5fcc1..00000000000
--- a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockNettyClient.java
+++ /dev/null
@@ -1,86 +0,0 @@
-package io.seata.mock.protocol;
-
-import io.netty.channel.Channel;
-import io.netty.util.concurrent.EventExecutorGroup;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.MessageType;
-import io.seata.core.rpc.netty.AbstractNettyRemotingClient;
-import io.seata.core.rpc.netty.NettyClientConfig;
-import io.seata.core.rpc.netty.NettyPoolKey;
-import io.seata.core.rpc.processor.client.ClientHeartbeatProcessor;
-
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.function.Function;
-
-/**
- * mock client
- *
- * @author minghua.xie
- * @date 2023/11/10
- **/
-public class MockNettyClient extends AbstractNettyRemotingClient {
-    public MockNettyClient(NettyClientConfig nettyClientConfig, EventExecutorGroup eventExecutorGroup, ThreadPoolExecutor messageExecutor, NettyPoolKey.TransactionRole transactionRole) {
-        super(nettyClientConfig, eventExecutorGroup, messageExecutor, transactionRole);
-    }
-
-    @Override
-    public void onRegisterMsgSuccess(String serverAddress, Channel channel, Object response, AbstractMessage requestMessage) {
-
-    }
-
-    @Override
-    public void onRegisterMsgFail(String serverAddress, Channel channel, Object response, AbstractMessage requestMessage) {
-
-    }
-
-    @Override
-    protected Function<String, NettyPoolKey> getPoolKeyFunction() {
-        return null;
-    }
-
-    @Override
-    protected String getTransactionServiceGroup() {
-        return null;
-    }
-
-    @Override
-    protected boolean isEnableClientBatchSendRequest() {
-        return false;
-    }
-
-    @Override
-    protected long getRpcRequestTimeout() {
-        return 0;
-    }
-
-
-    private void registerProcessor() {
-//        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
-//        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
-//
-//        ;
-//        super.registerProcessor(MessageType.TYPE_SEATA_MERGE_RESULT, new MockRemotingProcessor<>(), null);
-//        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_GLOBAL_LOCK_QUERY_RESULT, onResponseProcessor, null);
-//
-//
-//        super.registerProcessor(MessageType.TYPE_REG_RM_RESULT, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_RM_DELETE_UNDOLOG, rmUndoLogProcessor, messageExecutor);
-//        super.registerProcessor(MessageType.TYPE_BRANCH_COMMIT, rmBranchCommitProcessor, messageExecutor);
-//        super.registerProcessor(MessageType.TYPE_BRANCH_ROLLBACK, rmBranchRollbackProcessor, messageExecutor);
-//        super.registerProcessor(MessageType.TYPE_BRANCH_REGISTER_RESULT, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_BRANCH_STATUS_REPORT_RESULT, onResponseProcessor, null);
-//
-//
-//        super.registerProcessor(MessageType.TYPE_GLOBAL_BEGIN_RESULT, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_GLOBAL_COMMIT_RESULT, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_GLOBAL_REPORT_RESULT, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_GLOBAL_ROLLBACK_RESULT, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_GLOBAL_STATUS_RESULT, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_REG_CLT_RESULT, onResponseProcessor, null);
-//        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
-//        // 2.registry heartbeat message processor
-//        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
-//        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
-    }
-}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockRemotingProcessor.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockRemotingProcessor.java
deleted file mode 100644
index ddacffc3eb3..00000000000
--- a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/MockRemotingProcessor.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package io.seata.mock.protocol;
-
-import io.netty.channel.ChannelHandlerContext;
-import io.seata.core.protocol.RpcMessage;
-import io.seata.core.rpc.RemotingServer;
-import io.seata.core.rpc.processor.RemotingProcessor;
-
-/**
- * Mock Remoting Processor
- *
- * @author minghua.xie
- * @date 2023/11/14
- **/
-public class MockRemotingProcessor<REQ, RESP> implements RemotingProcessor {
-
-    private Class<RESP> clazz;
-    private RemotingServer remotingServer;
-
-    public MockRemotingProcessor(Class<RESP> clazz, RemotingServer remotingServer) {
-        this.clazz = clazz;
-        this.remotingServer = remotingServer;
-    }
-
-    @Override
-    public void process(ChannelHandlerContext ctx, RpcMessage rpcMessage) throws Exception {
-        REQ message = (REQ) rpcMessage.getBody();
-        System.out.println("message = " + message);
-
-        RESP resp = clazz.newInstance();
-        remotingServer.sendAsyncResponse(rpcMessage, ctx.channel(), resp);
-    }
-
-
-}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/rm/v1/MockRmClient.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/rm/v1/MockRmClient.java
deleted file mode 100644
index 327699ab7f7..00000000000
--- a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/rm/v1/MockRmClient.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package io.seata.mock.protocol.rm.v1;
-
-import io.netty.util.concurrent.EventExecutorGroup;
-import io.seata.core.rpc.netty.NettyClientConfig;
-import io.seata.core.rpc.netty.NettyPoolKey;
-import io.seata.mock.protocol.MockNettyClient;
-
-import java.util.concurrent.ThreadPoolExecutor;
-
-/**
- * ?
- *
- * @author minghua.xie
- * @date 2023/11/10
- **/
-public class MockRmClient extends MockNettyClient {
-    public MockRmClient(NettyClientConfig nettyClientConfig, EventExecutorGroup eventExecutorGroup, ThreadPoolExecutor messageExecutor, NettyPoolKey.TransactionRole transactionRole) {
-        super(nettyClientConfig, eventExecutorGroup, messageExecutor, transactionRole);
-    }
-
-}
diff --git a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java b/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
deleted file mode 100644
index bdbc6092162..00000000000
--- a/test-protocol-mock-server/src/main/java/io/seata/mock/protocol/tm/v1/MockTmClient.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package io.seata.mock.protocol.tm.v1;
-
-import io.netty.channel.Channel;
-import io.netty.util.concurrent.EventExecutorGroup;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.MessageType;
-import io.seata.core.rpc.netty.AbstractNettyRemotingClient;
-import io.seata.core.rpc.netty.NettyClientConfig;
-import io.seata.core.rpc.netty.NettyPoolKey;
-import io.seata.core.rpc.processor.client.ClientHeartbeatProcessor;
-import io.seata.core.rpc.processor.client.ClientOnResponseProcessor;
-import io.seata.mock.protocol.MockNettyClient;
-
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.function.Function;
-
-/**
- * ?
- *
- * @author minghua.xie
- * @date 2023/11/10
- **/
-public class MockTmClient extends MockNettyClient {
-    public MockTmClient(NettyClientConfig nettyClientConfig, EventExecutorGroup eventExecutorGroup, ThreadPoolExecutor messageExecutor, NettyPoolKey.TransactionRole transactionRole) {
-        super(nettyClientConfig, eventExecutorGroup, messageExecutor, transactionRole);
-    }
-
-    @Override
-    public void init() {
-        super.init();
-        // 1.registry TC response processor
-        ClientOnResponseProcessor onResponseProcessor =
-                new ClientOnResponseProcessor(mergeMsgMap, super.getFutures(), getTransactionMessageHandler());
-        super.registerProcessor(MessageType.TYPE_SEATA_MERGE_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_BEGIN_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_COMMIT_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_REPORT_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_ROLLBACK_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_GLOBAL_STATUS_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_REG_CLT_RESULT, onResponseProcessor, null);
-        super.registerProcessor(MessageType.TYPE_BATCH_RESULT_MSG, onResponseProcessor, null);
-        // 2.registry heartbeat message processor
-        ClientHeartbeatProcessor clientHeartbeatProcessor = new ClientHeartbeatProcessor();
-        super.registerProcessor(MessageType.TYPE_HEARTBEAT_MSG, clientHeartbeatProcessor, null);
-    }
-}
diff --git a/test-protocol-mock-server/src/test/resources/README.md b/test-protocol-mock-server/src/test/resources/README.md
deleted file mode 100644
index fc7352a038a..00000000000
--- a/test-protocol-mock-server/src/test/resources/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-## seata 多版本协议 mock server
-##
\ No newline at end of file

From 93386458d12b2df092f6b2b5abe86f4dd0db4e43 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 30 Nov 2023 14:48:23 +0800
Subject: [PATCH 21/22] mock test

---
 .../main/java/io/seata/serializer/seata/SeataSerializer.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
index cdc6e6c0e5c..9662eeb1844 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/SeataSerializer.java
@@ -19,6 +19,7 @@
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import io.seata.common.loader.LoadLevel;
+import io.seata.common.util.BufferUtils;
 import io.seata.common.loader.Scope;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.ProtocolConstants;
@@ -75,7 +76,7 @@ public <T> byte[] serialize(T t) {
         }
         byteBuffer.put(body);
 
-        byteBuffer.flip();
+        BufferUtils.flip(byteBuffer);
         byte[] content = new byte[byteBuffer.limit()];
         byteBuffer.get(content);
         return content;

From bb41c7f62aeb350630d78027dc93f0641f31e4d8 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 30 Nov 2023 14:58:15 +0800
Subject: [PATCH 22/22] log

---
 test-mock/test-client-v1-1.6.0/pom.xml |  5 +++++
 test-mock/test-client-v1/pom.xml       | 20 +++++---------------
 2 files changed, 10 insertions(+), 15 deletions(-)

diff --git a/test-mock/test-client-v1-1.6.0/pom.xml b/test-mock/test-client-v1-1.6.0/pom.xml
index 997ccd3175c..3720e04ba93 100644
--- a/test-mock/test-client-v1-1.6.0/pom.xml
+++ b/test-mock/test-client-v1-1.6.0/pom.xml
@@ -32,6 +32,11 @@
             <artifactId>seata-all</artifactId>
             <version>1.6.0</version>
         </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.2.12</version>
+        </dependency>
     </dependencies>
 
 
diff --git a/test-mock/test-client-v1/pom.xml b/test-mock/test-client-v1/pom.xml
index 358d9f67f1d..29a79394b56 100644
--- a/test-mock/test-client-v1/pom.xml
+++ b/test-mock/test-client-v1/pom.xml
@@ -36,21 +36,11 @@
                 </exclusion>
             </exclusions>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>org.slf4j</groupId>-->
-<!--            <artifactId>slf4j-api</artifactId>-->
-<!--            <version>1.7.36</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>org.slf4j</groupId>-->
-<!--            <artifactId>slf4j-simple</artifactId>-->
-<!--            <version>1.7.36</version>-->
-<!--        </dependency>-->
-<!--        <dependency>-->
-<!--            <groupId>ch.qos.logback</groupId>-->
-<!--            <artifactId>logback-classic</artifactId>-->
-<!--            <version>1.2.12</version>-->
-<!--        </dependency>-->
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.2.12</version>
+        </dependency>
     </dependencies>
 
 </project>
\ No newline at end of file