From 39d88c1d17c15698f2825ff54f664dfba07469cf Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 25 Dec 2023 18:21:34 +0800
Subject: [PATCH 01/26] load SeataSerializer by version

---
 .../core/protocol/ProtocolConstants.java      | 10 +++
 .../core/rpc/netty/v1/ProtocolV1Decoder.java  |  2 +-
 .../core/rpc/netty/v1/ProtocolV1Encoder.java  |  2 +-
 .../serializer/SerializerServiceLoader.java   | 27 +++++-
 .../serializer/seata/MessageCodecFactory.java | 16 ++--
 .../serializer/seata/SeataSerializer.java     | 36 ++++++--
 .../protocol/BatchResultMessageCodec.java     |  9 +-
 .../protocol/MergeResultMessageCodec.java     |  9 +-
 .../protocol/MergedWarpMessageCodec.java      |  9 +-
 .../protocol/v0/MessageCodecFactoryV0.java    | 82 +++++++++++++++++++
 .../protocol/v1/MessageCodecFactoryV1.java    | 29 +++++++
 11 files changed, 202 insertions(+), 29 deletions(-)
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java

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 7b851ebc2a5..c62438ea805 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 +31,16 @@ public interface ProtocolConstants {
      */
     byte[] MAGIC_CODE_BYTES = {(byte) 0xda, (byte) 0xda};
 
+    /**
+     * Old protocol version
+     */
+    byte VERSION_0 = 0;
+
+    /**
+     * Protocol version
+     */
+    byte VERSION_1 = 1;
+
     /**
      * Protocol version
      */
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 867e27d9457..5584acec700 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
@@ -142,7 +142,7 @@ public Object decodeFrame(ByteBuf frame) {
                 frame.readBytes(bs);
                 Compressor compressor = CompressorFactory.getCompressor(compressorType);
                 bs = compressor.decompress(bs);
-                Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()));
+                Serializer serializer = SerializerServiceLoader.load(SerializerType.getByCode(rpcMessage.getCodec()), ProtocolConstants.VERSION_1);
                 rpcMessage.setBody(serializer.deserialize(bs));
             }
         }
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 0f35eff8492..ff66ef56997 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
@@ -92,7 +92,7 @@ public void encode(ChannelHandlerContext ctx, Object msg, 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/serializer/SerializerServiceLoader.java b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
index 67c23c29127..fea9ab46567 100644
--- a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
@@ -20,6 +20,9 @@
 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";
 
@@ -39,7 +43,7 @@ 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, byte version) throws EnhancedServiceNotFoundException {
         if (type == SerializerType.PROTOBUF) {
             try {
                 ReflectionUtil.getClassByName(PROTOBUF_SERIALIZER_CLASS_NAME);
@@ -48,6 +52,25 @@ 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());
+
+        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 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 6aeaa904899..8b6a9a21f84 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
@@ -82,7 +82,7 @@
  * The type Message codec factory.
  *
  */
-public class MessageCodecFactory {
+public abstract class MessageCodecFactory {
 
     /**
      * The constant UTF8.
@@ -95,7 +95,7 @@ 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());
     }
 
@@ -105,7 +105,7 @@ public static MessageSeataCodec getMessageCodec(AbstractMessage abstractMessage)
      * @param typeCode the type code
      * @return the msg instance by code
      */
-    public static MessageSeataCodec getMessageCodec(short typeCode) {
+    public MessageSeataCodec getMessageCodec(short typeCode) {
         MessageSeataCodec msgCodec = null;
         switch (typeCode) {
             case MessageType.TYPE_SEATA_MERGE:
@@ -166,7 +166,7 @@ public static MessageSeataCodec getMessageCodec(short typeCode) {
      * @param typeCode the type code
      * @return the merge request instance by code
      */
-    protected static MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode) {
+    protected MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode) {
         switch (typeCode) {
             case MessageType.TYPE_GLOBAL_BEGIN:
                 return new GlobalBeginRequestCodec();
@@ -195,7 +195,7 @@ protected static MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode
      * @param typeCode the type code
      * @return the merge response instance by code
      */
-    protected static MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode) {
+    protected MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode) {
         switch (typeCode) {
             case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
                 return new GlobalBeginResponseCodec();
@@ -230,7 +230,7 @@ protected static MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCod
      * @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:
@@ -295,7 +295,7 @@ public static AbstractMessage getMessage(short typeCode) {
      * @param typeCode the type code
      * @return the merge request instance by code
      */
-    protected static AbstractMessage getMergeRequestInstanceByCode(int typeCode) {
+    protected AbstractMessage getMergeRequestInstanceByCode(int typeCode) {
         switch (typeCode) {
             case MessageType.TYPE_GLOBAL_BEGIN:
                 return new GlobalBeginRequest();
@@ -324,7 +324,7 @@ protected static AbstractMessage getMergeRequestInstanceByCode(int typeCode) {
      * @param typeCode the type code
      * @return the merge response instance by code
      */
-    protected static AbstractMessage getMergeResponseInstanceByCode(int typeCode) {
+    protected 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 3e94cbf9749..ef34992eb5d 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
@@ -20,28 +20,43 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
+import io.seata.common.exception.NotSupportYetException;
 import io.seata.common.loader.LoadLevel;
+import io.seata.common.loader.Scope;
 import io.seata.common.util.BufferUtils;
 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;
 
 /**
  * The Seata codec.
  *
  */
-@LoadLevel(name = "SEATA")
+@LoadLevel(name = "SEATA", scope = Scope.PROTOTYPE)
 public class SeataSerializer implements Serializer {
 
+    MessageCodecFactory factory;
+    byte protocolVersion ;
+
+    public SeataSerializer(Byte version){
+        if (version == ProtocolConstants.VERSION_1) {
+            factory =  new MessageCodecFactoryV1();
+        }else {
+            throw new NotSupportYetException("not support version" + version);
+        }
+        protocolVersion = version;
+    }
     @Override
     public <T> byte[] serialize(T t) {
         if (!(t instanceof AbstractMessage)) {
             throw new IllegalArgumentException("AbstractMessage isn't available.");
         }
         AbstractMessage abstractMessage = (AbstractMessage)t;
-        //typecode
+        //type code
         short typecode = abstractMessage.getTypeCode();
         //msg codec
-        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode);
+        MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
         //get empty ByteBuffer
         ByteBuf out = Unpooled.buffer(1024);
         //msg encode
@@ -49,9 +64,14 @@ public <T> byte[] serialize(T t) {
         byte[] body = new byte[out.readableBytes()];
         out.readBytes(body);
 
-        //typecode + body
-        ByteBuffer byteBuffer = ByteBuffer.allocate(2 + body.length);
-        byteBuffer.putShort(typecode);
+        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);
 
         BufferUtils.flip(byteBuffer);
@@ -76,9 +96,9 @@ public <T> T deserialize(byte[] bytes) {
         byteBuffer.get(body);
         ByteBuffer in = ByteBuffer.wrap(body);
         //new Messgae
-        AbstractMessage abstractMessage = MessageCodecFactory.getMessage(typecode);
+        AbstractMessage abstractMessage = factory.getMessage(typecode);
         //get messageCodec
-        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode);
+        MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
         //decode
         messageCodec.decode(abstractMessage, in);
         return (T)abstractMessage;
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/BatchResultMessageCodec.java
index 9a280d10262..a81ad1a874e 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/BatchResultMessageCodec.java
@@ -27,6 +27,7 @@
 import io.seata.core.protocol.BatchResultMessage;
 import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;
+import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
 
 /**
  * the type batch result message codec
@@ -35,6 +36,8 @@
  */
 public class BatchResultMessageCodec extends AbstractMessageCodec {
 
+    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
+
     @Override
     public Class<?> getMessageClassType() {
         return BatchResultMessage.class;
@@ -53,7 +56,7 @@ 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 +109,8 @@ 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/MergeResultMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/MergeResultMessageCodec.java
index 17eeb3b64b9..100ae839963 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/MergeResultMessageCodec.java
@@ -24,6 +24,7 @@
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.MergeResultMessage;
+import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
 
 /**
  * The type Merge result message codec.
@@ -31,6 +32,8 @@
  */
 public class MergeResultMessageCodec extends AbstractMessageCodec {
 
+    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
+
     @Override
     public Class<?> getMessageClassType() {
         return MergeResultMessage.class;
@@ -48,7 +51,7 @@ 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 +93,8 @@ 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/MergedWarpMessageCodec.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/MergedWarpMessageCodec.java
index 11e02adc003..436a82b7d26 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/MergedWarpMessageCodec.java
@@ -26,6 +26,7 @@
 import io.seata.serializer.seata.MessageSeataCodec;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.MergedWarpMessage;
+import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
 
 /**
  * The type Merged warp message codec.
@@ -33,6 +34,8 @@
  */
 public class MergedWarpMessageCodec extends AbstractMessageCodec {
 
+    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
+
     @Override
     public Class<?> getMessageClassType() {
         return MergedWarpMessage.class;
@@ -51,7 +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);
@@ -96,8 +99,8 @@ 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/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..746cc30884c
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
@@ -0,0 +1,82 @@
+/*
+ *  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.serializer.seata.MessageCodecFactory;
+import io.seata.serializer.seata.MessageSeataCodec;
+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.BranchRollbackRequestCodec;
+import io.seata.serializer.seata.protocol.transaction.GlobalReportRequestCodec;
+
+/**
+ * The type Message codec factory v0.
+ */
+public class MessageCodecFactoryV0 extends MessageCodecFactory {
+
+    /**
+     * 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;
+        }
+
+        return msgCodec;
+    }
+}
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..6957bec200f
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java
@@ -0,0 +1,29 @@
+/*
+ *  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.serializer.seata.MessageCodecFactory;
+
+/**
+ * The type Message codec factory.
+ *
+ * @author zhangsen
+ */
+public class MessageCodecFactoryV1 extends MessageCodecFactory {
+
+
+
+}

From 901b886a75396705203464a1d282fd7cf1376254 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 26 Dec 2023 14:49:09 +0800
Subject: [PATCH 02/26] license

---
 .../protocol/v0/MessageCodecFactoryV0.java    | 23 +++++++++--------
 .../protocol/v1/MessageCodecFactoryV1.java    | 25 +++++++++----------
 2 files changed, 24 insertions(+), 24 deletions(-)

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 746cc30884c..fca6998976f 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
@@ -1,17 +1,18 @@
 /*
- *  Copyright 1999-2019 Seata.io Group.
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
  *
- *  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
  *
- *       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.
+ * 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;
 
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 6957bec200f..7843336bfe9 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
@@ -1,17 +1,18 @@
 /*
- *  Copyright 1999-2019 Seata.io Group.
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
  *
- *  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
  *
- *       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.
+ * 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;
 
@@ -19,8 +20,6 @@
 
 /**
  * The type Message codec factory.
- *
- * @author zhangsen
  */
 public class MessageCodecFactoryV1 extends MessageCodecFactory {
 

From b51800497d07e9761c91ef52dc24fe5fdd1b08af Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 26 Dec 2023 14:57:56 +0800
Subject: [PATCH 03/26] style

---
 .../io/seata/core/serializer/SerializerServiceLoader.java | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

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 fea9ab46567..b5b7340356e 100644
--- a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
@@ -25,7 +25,6 @@
 
 /**
  * The Service Loader for the interface {@link Serializer}
- *
  */
 public final class SerializerServiceLoader {
 
@@ -61,16 +60,15 @@ public static Serializer load(SerializerType type, byte version) throws Enhanced
             } else {
                 serializer = EnhancedServiceLoader.load(Serializer.class, type.name());
             }
-            serializerMap.put(key,serializer);
+            serializerMap.put(key, serializer);
         }
         return serializer;
-
     }
 
-    private static String serialzerKey(SerializerType type, byte version){
+    private static String serialzerKey(SerializerType type, byte version) {
         if (type == SerializerType.SEATA) {
             return type.name() + version;
         }
         return type.name();
     }
-}
+}
\ No newline at end of file

From 883adfbff67f31d6b28d4967617d22a380c0f663 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 26 Dec 2023 15:03:33 +0800
Subject: [PATCH 04/26] test ProtocolConstants.VERSION

---
 .../main/java/io/seata/core/protocol/ProtocolConstants.java    | 2 +-
 .../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 ++-
 27 files changed, 53 insertions(+), 27 deletions(-)

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 c62438ea805..edf1163d5a3 100644
--- a/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
+++ b/core/src/main/java/io/seata/core/protocol/ProtocolConstants.java
@@ -44,7 +44,7 @@ public interface ProtocolConstants {
     /**
      * Protocol version
      */
-    byte VERSION = 1;
+    byte VERSION = VERSION_1;
 
     /**
      * Max frame length
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 b8d8cf21744..e9775751d25 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
@@ -22,6 +22,7 @@
 import io.seata.core.model.BranchStatus;
 import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.BatchResultMessage;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.ResultCode;
 import io.seata.core.protocol.transaction.BranchCommitResponse;
 import io.seata.serializer.seata.SeataSerializer;
@@ -39,7 +40,7 @@ public class BatchResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
 
     @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 ccc692a3a90..d172d2691d5 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
@@ -16,6 +16,7 @@
  */
 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);
 
     /**
      * 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 854656b963b..51d2640028c 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
@@ -21,6 +21,7 @@
 
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.MergedWarpMessage;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.protocol.transaction.GlobalBeginRequest;
 import io.seata.serializer.seata.SeataSerializer;
 import org.junit.jupiter.api.Test;
@@ -37,7 +38,7 @@ public class MergedWarpMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 ea8fbaad0cf..b402252e6d3 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
@@ -16,6 +16,7 @@
  */
 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);
 
     /**
      * 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 1fac2b015c5..7e7ba6b0822 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
@@ -16,6 +16,7 @@
  */
 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);
 
     /**
      * 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 13a05463deb..1b288ccafdb 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
@@ -17,6 +17,7 @@
 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);
 
     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 785a075344b..b67eedcdc21 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
@@ -16,6 +16,7 @@
  */
 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);
 
     /**
      * 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 03caa1bbecd..ec496a74d91 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
@@ -16,6 +16,7 @@
  */
 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);
 
     /**
      * 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 9fda8b1f8a6..c2401ec8735 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
@@ -16,6 +16,7 @@
  */
 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);
 
     /**
      * 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 4ee59378f0b..de5f1a436c8 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
@@ -16,6 +16,7 @@
  */
 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.BranchRegisterRequest;
@@ -32,7 +33,7 @@ public class BranchRegisterRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 670f863a68c..24d99f14e1a 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class BranchRegisterResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 a7ec699e47b..7e181c35963 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchStatus;
 import io.seata.core.model.BranchType;
@@ -33,7 +34,7 @@ public class BranchReportRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 36c885e8746..64f16995d40 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class BranchReportResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 b339ea16317..2d397dca05c 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.BranchRollbackRequest;
@@ -32,7 +33,7 @@ public class BranchRollbackRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 0d47d07de7a..fd13628d5a3 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.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 BranchRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 47eb946502c..81452e9e985 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 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);
 
     /**
      * 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 547688c54a7..bb8ca561412 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
@@ -32,7 +33,7 @@ public class GlobalBeginResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 000fdd75886..4a6b1c19d96 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 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);
 
     /**
      * 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 e297937958d..292dc36d3c5 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
@@ -33,7 +34,7 @@ public class GlobalCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 9346bc0ef04..099d64e6af3 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.GlobalLockQueryRequest;
@@ -31,7 +32,7 @@ public class GlobalLockQueryRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 5140308361b..f28af2acdc5 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class GlobalLockQueryResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 5e6c059afb6..5746d70d93d 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 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);
 
     /**
      * 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 8049625b295..a3d099fb3dd 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
@@ -34,7 +35,7 @@ public class GlobalRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 0d88d5e64e9..66a3d91d100 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 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);
 
     /**
      * 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 4f3e818aaae..bca5aff8201 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.exception.TransactionExceptionCode;
 import io.seata.core.model.GlobalStatus;
@@ -33,7 +34,7 @@ public class GlobalStatusResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * 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 d2c3c8ea004..806d3bb638c 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.core.protocol.ProtocolConstants;
 import io.seata.serializer.seata.SeataSerializer;
 import io.seata.core.model.BranchType;
 import io.seata.core.protocol.transaction.UndoLogDeleteRequest;
@@ -32,7 +33,7 @@ public class UndoLogDeleteRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.

From 492672c6578f1eb7fb69483ede323194e318c900 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Wed, 27 Dec 2023 15:42:32 +0800
Subject: [PATCH 05/26] version serialize

---
 .../serializer/seata/SeataSerializer.java     | 62 +-----------
 .../seata/protocol/v0/SeataSerializerV0.java  | 93 ++++++++++++++++++
 .../seata/protocol/v1/SeataSerializerV1.java  | 98 +++++++++++++++++++
 3 files changed, 196 insertions(+), 57 deletions(-)
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
 create mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java

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 ef34992eb5d..e23c436ce59 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
@@ -28,6 +28,7 @@
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.serializer.Serializer;
 import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
+import io.seata.serializer.seata.protocol.v1.SeataSerializerV1;
 
 /**
  * The Seata codec.
@@ -36,72 +37,19 @@
 @LoadLevel(name = "SEATA", scope = Scope.PROTOTYPE)
 public class SeataSerializer implements Serializer {
 
-    MessageCodecFactory factory;
-    byte protocolVersion ;
+    Serializer versionSeataSerializer;
 
     public SeataSerializer(Byte version){
-        if (version == ProtocolConstants.VERSION_1) {
-            factory =  new MessageCodecFactoryV1();
-        }else {
-            throw new NotSupportYetException("not support version" + version);
-        }
-        protocolVersion = version;
+        versionSeataSerializer =  new SeataSerializerV1();
     }
     @Override
     public <T> byte[] serialize(T t) {
-        if (!(t instanceof AbstractMessage)) {
-            throw new IllegalArgumentException("AbstractMessage isn't available.");
-        }
-        AbstractMessage abstractMessage = (AbstractMessage)t;
-        //type code
-        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);
-
-        BufferUtils.flip(byteBuffer);
-        byte[] content = new byte[byteBuffer.limit()];
-        byteBuffer.get(content);
-        return content;
+        return versionSeataSerializer.serialize(t);
     }
 
     @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;
+        return versionSeataSerializer.deserialize(bytes);
     }
 
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
new file mode 100644
index 00000000000..a917b5ff263
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.buffer.Unpooled;
+import io.seata.common.util.BufferUtils;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.serializer.Serializer;
+import io.seata.serializer.seata.MessageCodecFactory;
+import io.seata.serializer.seata.MessageSeataCodec;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The Seata codec v0.
+ *
+ */
+public class SeataSerializerV0 implements Serializer {
+
+    MessageCodecFactory factory;
+
+    public SeataSerializerV0(Byte version){
+        factory =  new MessageCodecFactoryV0();
+    }
+    @Override
+    public <T> byte[] serialize(T t) {
+        if (!(t instanceof AbstractMessage)) {
+            throw new IllegalArgumentException("AbstractMessage isn't available.");
+        }
+        AbstractMessage abstractMessage = (AbstractMessage)t;
+        //type code
+        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;
+        byteBuffer = ByteBuffer.allocate(body.length);
+
+        byteBuffer.put(body);
+
+        BufferUtils.flip(byteBuffer);
+        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;
+    }
+
+}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
new file mode 100644
index 00000000000..b637dd81f7f
--- /dev/null
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.seata.common.exception.NotSupportYetException;
+import io.seata.common.loader.LoadLevel;
+import io.seata.common.loader.Scope;
+import io.seata.common.util.BufferUtils;
+import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.ProtocolConstants;
+import io.seata.core.serializer.Serializer;
+import io.seata.serializer.seata.MessageCodecFactory;
+import io.seata.serializer.seata.MessageSeataCodec;
+
+import java.nio.ByteBuffer;
+
+/**
+ * The Seata codec v1.
+ *
+ */
+public class SeataSerializerV1 implements Serializer {
+
+    MessageCodecFactory factory;
+
+    public SeataSerializerV1(){
+        factory =  new MessageCodecFactoryV1();
+    }
+    @Override
+    public <T> byte[] serialize(T t) {
+        if (!(t instanceof AbstractMessage)) {
+            throw new IllegalArgumentException("AbstractMessage isn't available.");
+        }
+        AbstractMessage abstractMessage = (AbstractMessage)t;
+        //type code
+        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;
+
+        //typecode + body
+        byteBuffer = ByteBuffer.allocate(2 + body.length);
+        byteBuffer.putShort(typecode);
+        byteBuffer.put(body);
+
+        BufferUtils.flip(byteBuffer);
+        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;
+    }
+
+}

From d8c19a42d129895637460f29fda6984d7f861061 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 29 Dec 2023 10:55:35 +0800
Subject: [PATCH 06/26] v0

---
 .../serializer/seata/SeataSerializer.java     | 19 ++++++++++---------
 .../seata/protocol/v0/SeataSerializerV0.java  |  2 +-
 2 files changed, 11 insertions(+), 10 deletions(-)

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 e23c436ce59..5ab4fdf0fda 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
@@ -16,20 +16,16 @@
  */
 package io.seata.serializer.seata;
 
-import java.nio.ByteBuffer;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
-import io.seata.common.exception.NotSupportYetException;
+import com.google.common.collect.ImmutableMap;
 import io.seata.common.loader.LoadLevel;
 import io.seata.common.loader.Scope;
-import io.seata.common.util.BufferUtils;
-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 io.seata.serializer.seata.protocol.v0.SeataSerializerV0;
 import io.seata.serializer.seata.protocol.v1.SeataSerializerV1;
 
+import java.util.Map;
+
 /**
  * The Seata codec.
  *
@@ -39,8 +35,13 @@ public class SeataSerializer implements Serializer {
 
     Serializer versionSeataSerializer;
 
+    static Map<Byte, Serializer> VERSION_MAP = ImmutableMap.<Byte, MessageCodecFactory>builder()
+            .put(ProtocolConstants.VERSION_0, new SeataSerializerV0())
+            .put(ProtocolConstants.VERSION_1, new SeataSerializerV1())
+            .build();
+
     public SeataSerializer(Byte version){
-        versionSeataSerializer =  new SeataSerializerV1();
+        versionSeataSerializer =  VERSION_MAP.get(version);
     }
     @Override
     public <T> byte[] serialize(T t) {
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
index a917b5ff263..184cf256389 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
@@ -35,7 +35,7 @@ public class SeataSerializerV0 implements Serializer {
 
     MessageCodecFactory factory;
 
-    public SeataSerializerV0(Byte version){
+    public SeataSerializerV0(){
         factory =  new MessageCodecFactoryV0();
     }
     @Override

From 958ef77f23802d9e4fe1fd694eabecb3fe20316a Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 29 Dec 2023 10:58:44 +0800
Subject: [PATCH 07/26] v0

---
 .../main/java/io/seata/serializer/seata/SeataSerializer.java    | 2 +-
 .../seata/serializer/seata/protocol/v0/SeataSerializerV0.java   | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

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 5ab4fdf0fda..08bc503df44 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
@@ -35,7 +35,7 @@ public class SeataSerializer implements Serializer {
 
     Serializer versionSeataSerializer;
 
-    static Map<Byte, Serializer> VERSION_MAP = ImmutableMap.<Byte, MessageCodecFactory>builder()
+    static Map<Byte, Serializer> VERSION_MAP = ImmutableMap.<Byte, Serializer>builder()
             .put(ProtocolConstants.VERSION_0, new SeataSerializerV0())
             .put(ProtocolConstants.VERSION_1, new SeataSerializerV1())
             .build();
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
index 184cf256389..dbadf7e667b 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
@@ -20,7 +20,6 @@
 import io.netty.buffer.Unpooled;
 import io.seata.common.util.BufferUtils;
 import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.serializer.Serializer;
 import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;

From 2a0d8365cac87031b002088b3ad59f2ad14ccf3b Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 29 Dec 2023 10:59:36 +0800
Subject: [PATCH 08/26] v0

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

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 08bc503df44..de2cd4dc793 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
@@ -42,6 +42,9 @@ public class SeataSerializer implements Serializer {
 
     public SeataSerializer(Byte version){
         versionSeataSerializer =  VERSION_MAP.get(version);
+        if (versionSeataSerializer == null) {
+            throw new IllegalArgumentException("version is not supported");
+        }
     }
     @Override
     public <T> byte[] serialize(T t) {

From 227464b864bd3be048c4d14f2f21cf58856ae881 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 29 Dec 2023 11:18:29 +0800
Subject: [PATCH 09/26] v0

---
 .../io/seata/core/serializer/SerializerServiceLoader.java   | 6 +++---
 .../serializer/seata/protocol/v1/SeataSerializerV1.java     | 4 ----
 2 files changed, 3 insertions(+), 7 deletions(-)

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 b5b7340356e..f1540d663aa 100644
--- a/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/io/seata/core/serializer/SerializerServiceLoader.java
@@ -31,7 +31,7 @@ public final class SerializerServiceLoader {
     private SerializerServiceLoader() {
     }
 
-    private static Map<String, Serializer> serializerMap = new HashMap<>();
+    private final static Map<String, Serializer> SERIALIZER_MAP = new HashMap<>();
 
     private static final String PROTOBUF_SERIALIZER_CLASS_NAME = "io.seata.serializer.protobuf.ProtobufSerializer";
 
@@ -53,14 +53,14 @@ public static Serializer load(SerializerType type, byte version) throws Enhanced
         }
 
         String key = serialzerKey(type, version);
-        Serializer serializer = serializerMap.get(key);
+        Serializer serializer = SERIALIZER_MAP.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);
+            SERIALIZER_MAP.put(key, serializer);
         }
         return serializer;
     }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
index b637dd81f7f..40fb0d55a30 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
@@ -18,12 +18,8 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
-import io.seata.common.exception.NotSupportYetException;
-import io.seata.common.loader.LoadLevel;
-import io.seata.common.loader.Scope;
 import io.seata.common.util.BufferUtils;
 import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.serializer.Serializer;
 import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;

From 0afa8458b1c228f915dc62ccef582c10daa19ab3 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 29 Dec 2023 12:30:47 +0800
Subject: [PATCH 10/26] license

---
 .../serializer/seata/protocol/v0/MessageCodecFactoryV0.java      | 1 +
 1 file changed, 1 insertion(+)

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 fca6998976f..f4ec067ae0a 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
@@ -41,6 +41,7 @@ public class MessageCodecFactoryV0 extends MessageCodecFactory {
      * @param typeCode the type code
      * @return the msg instance by code
      */
+    @Override
     public MessageSeataCodec getMessageCodec(short typeCode) {
         MessageSeataCodec msgCodec = null;
         switch (typeCode) {

From 4959cbe7c82b142a270354dc5f01c902680368dd Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 29 Dec 2023 14:27:42 +0800
Subject: [PATCH 11/26] license

---
 .../src/main/java/io/seata/serializer/seata/SeataSerializer.java | 1 -
 1 file changed, 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 de2cd4dc793..afb2484ae4a 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
@@ -28,7 +28,6 @@
 
 /**
  * The Seata codec.
- *
  */
 @LoadLevel(name = "SEATA", scope = Scope.PROTOTYPE)
 public class SeataSerializer implements Serializer {

From dfd9bf22a2257d56f193491fd237df02fef814e9 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 29 Dec 2023 17:20:41 +0800
Subject: [PATCH 12/26] style

---
 .../serializer/seata/MessageCodecFactory.java | 29 ++++---
 .../serializer/seata/SeataSerializer.java     | 16 ++--
 .../protocol/BatchResultMessageCodec.java     | 12 +--
 .../protocol/MergeResultMessageCodec.java     | 12 +--
 .../protocol/MergedWarpMessageCodec.java      | 12 +--
 .../protocol/v0/MessageCodecFactoryV0.java    | 84 -------------------
 .../seata/protocol/v0/SeataSerializerV0.java  | 31 +++++--
 .../protocol/v1/MessageCodecFactoryV1.java    | 28 -------
 .../seata/protocol/v1/SeataSerializerV1.java  | 24 ++++--
 9 files changed, 79 insertions(+), 169 deletions(-)
 delete 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/v1/MessageCodecFactoryV1.java

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 8b6a9a21f84..4431ba828c0 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
@@ -80,9 +80,8 @@
 
 /**
  * The type Message codec factory.
- *
  */
-public abstract class MessageCodecFactory {
+public class MessageCodecFactory {
 
     /**
      * The constant UTF8.
@@ -95,8 +94,8 @@ public abstract class MessageCodecFactory {
      * @param abstractMessage the abstract message
      * @return the message codec
      */
-    public MessageSeataCodec getMessageCodec(AbstractMessage abstractMessage) {
-        return getMessageCodec(abstractMessage.getTypeCode());
+    public static MessageSeataCodec getMessageCodec(AbstractMessage abstractMessage, byte version) {
+        return getMessageCodec(abstractMessage.getTypeCode(), version);
     }
 
     /**
@@ -105,14 +104,14 @@ public MessageSeataCodec getMessageCodec(AbstractMessage abstractMessage) {
      * @param typeCode the type code
      * @return the msg instance by code
      */
-    public MessageSeataCodec getMessageCodec(short typeCode) {
+    public static MessageSeataCodec getMessageCodec(short typeCode, byte version) {
         MessageSeataCodec msgCodec = null;
         switch (typeCode) {
             case MessageType.TYPE_SEATA_MERGE:
-                msgCodec = new MergedWarpMessageCodec();
+                msgCodec = new MergedWarpMessageCodec(version);
                 break;
             case MessageType.TYPE_SEATA_MERGE_RESULT:
-                msgCodec = new MergeResultMessageCodec();
+                msgCodec = new MergeResultMessageCodec(version);
                 break;
             case MessageType.TYPE_REG_CLT:
                 msgCodec = new RegisterTMRequestCodec();
@@ -136,7 +135,7 @@ public MessageSeataCodec getMessageCodec(short typeCode) {
                 msgCodec = new GlobalReportRequestCodec();
                 break;
             case MessageType.TYPE_BATCH_RESULT_MSG:
-                msgCodec = new BatchResultMessageCodec();
+                msgCodec = new BatchResultMessageCodec(version);
                 break;
             default:
                 break;
@@ -147,7 +146,7 @@ public MessageSeataCodec getMessageCodec(short typeCode) {
         }
 
         try {
-            msgCodec = getMergeRequestMessageSeataCodec(typeCode);
+            msgCodec = getMergeRequestMessageSeataCodec(typeCode, version);
         } catch (Exception exx) {
         }
 
@@ -155,7 +154,7 @@ public MessageSeataCodec getMessageCodec(short typeCode) {
             return msgCodec;
         }
 
-        msgCodec = getMergeResponseMessageSeataCodec(typeCode);
+        msgCodec = getMergeResponseMessageSeataCodec(typeCode, version);
 
         return msgCodec;
     }
@@ -166,7 +165,7 @@ public MessageSeataCodec getMessageCodec(short typeCode) {
      * @param typeCode the type code
      * @return the merge request instance by code
      */
-    protected MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode) {
+    protected static MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode, byte version) {
         switch (typeCode) {
             case MessageType.TYPE_GLOBAL_BEGIN:
                 return new GlobalBeginRequestCodec();
@@ -195,7 +194,7 @@ protected MessageSeataCodec getMergeRequestMessageSeataCodec(int typeCode) {
      * @param typeCode the type code
      * @return the merge response instance by code
      */
-    protected MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode) {
+    protected static MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode, byte version) {
         switch (typeCode) {
             case MessageType.TYPE_GLOBAL_BEGIN_RESULT:
                 return new GlobalBeginResponseCodec();
@@ -230,7 +229,7 @@ protected MessageSeataCodec getMergeResponseMessageSeataCodec(int typeCode) {
      * @param typeCode the type code
      * @return the message
      */
-    public AbstractMessage getMessage(short typeCode) {
+    public static AbstractMessage getMessage(short typeCode) {
         AbstractMessage abstractMessage = null;
         switch (typeCode) {
             case MessageType.TYPE_SEATA_MERGE:
@@ -295,7 +294,7 @@ public AbstractMessage getMessage(short typeCode) {
      * @param typeCode the type code
      * @return the merge request instance by code
      */
-    protected AbstractMessage getMergeRequestInstanceByCode(int typeCode) {
+    protected static AbstractMessage getMergeRequestInstanceByCode(int typeCode) {
         switch (typeCode) {
             case MessageType.TYPE_GLOBAL_BEGIN:
                 return new GlobalBeginRequest();
@@ -324,7 +323,7 @@ protected AbstractMessage getMergeRequestInstanceByCode(int typeCode) {
      * @param typeCode the type code
      * @return the merge response instance by code
      */
-    protected AbstractMessage getMergeResponseInstanceByCode(int typeCode) {
+    protected 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 afb2484ae4a..2122a0cd2ba 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
@@ -16,7 +16,6 @@
  */
 package io.seata.serializer.seata;
 
-import com.google.common.collect.ImmutableMap;
 import io.seata.common.loader.LoadLevel;
 import io.seata.common.loader.Scope;
 import io.seata.core.protocol.ProtocolConstants;
@@ -24,8 +23,6 @@
 import io.seata.serializer.seata.protocol.v0.SeataSerializerV0;
 import io.seata.serializer.seata.protocol.v1.SeataSerializerV1;
 
-import java.util.Map;
-
 /**
  * The Seata codec.
  */
@@ -34,17 +31,18 @@ public class SeataSerializer implements Serializer {
 
     Serializer versionSeataSerializer;
 
-    static Map<Byte, Serializer> VERSION_MAP = ImmutableMap.<Byte, Serializer>builder()
-            .put(ProtocolConstants.VERSION_0, new SeataSerializerV0())
-            .put(ProtocolConstants.VERSION_1, new SeataSerializerV1())
-            .build();
 
-    public SeataSerializer(Byte version){
-        versionSeataSerializer =  VERSION_MAP.get(version);
+    public SeataSerializer(Byte version) {
+        if (version == ProtocolConstants.VERSION_0) {
+            versionSeataSerializer = SeataSerializerV0.getInstance();
+        } else if (version == ProtocolConstants.VERSION_1) {
+            versionSeataSerializer = SeataSerializerV1.getInstance();
+        }
         if (versionSeataSerializer == null) {
             throw new IllegalArgumentException("version is not supported");
         }
     }
+
     @Override
     public <T> byte[] serialize(T t) {
         return versionSeataSerializer.serialize(t);
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/BatchResultMessageCodec.java
index a81ad1a874e..7c1405ceb70 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/BatchResultMessageCodec.java
@@ -27,7 +27,6 @@
 import io.seata.core.protocol.BatchResultMessage;
 import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;
-import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
 
 /**
  * the type batch result message codec
@@ -36,8 +35,11 @@
  */
 public class BatchResultMessageCodec extends AbstractMessageCodec {
 
-    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
+    private byte version;
 
+    public BatchResultMessageCodec(byte version) {
+        this.version = version;
+    }
     @Override
     public Class<?> getMessageClassType() {
         return BatchResultMessage.class;
@@ -56,7 +58,7 @@ 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 = factory.getMessageCodec(typeCode);
+            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode, version);
             messageCodec.encode(msg, subBuffer);
             buffer.writeShort(msg.getTypeCode());
             buffer.writeBytes(subBuffer);
@@ -109,8 +111,8 @@ 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 = factory.getMessage(typeCode);
-            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
+            AbstractMessage abstractResultMessage = MessageCodecFactory.getMessage(typeCode);
+            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode, version);
             messageCodec.decode(abstractResultMessage, byteBuffer);
             msgs.add((AbstractResultMessage) abstractResultMessage);
         }
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/MergeResultMessageCodec.java
index 100ae839963..c7cc6714be2 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/MergeResultMessageCodec.java
@@ -24,7 +24,6 @@
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.AbstractResultMessage;
 import io.seata.core.protocol.MergeResultMessage;
-import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
 
 /**
  * The type Merge result message codec.
@@ -32,8 +31,11 @@
  */
 public class MergeResultMessageCodec extends AbstractMessageCodec {
 
-    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
+    private byte version;
 
+    public MergeResultMessageCodec(byte version) {
+        this.version = version;
+    }
     @Override
     public Class<?> getMessageClassType() {
         return MergeResultMessage.class;
@@ -51,7 +53,7 @@ public <T> void encode(T t, ByteBuf out) {
             short typeCode = msg.getTypeCode();
             //put typeCode
             out.writeShort(typeCode);
-            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
+            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode, version);
             messageCodec.encode(msg, out);
         }
 
@@ -93,8 +95,8 @@ 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 = factory.getMessage(typeCode);
-            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
+            AbstractMessage abstractResultMessage = MessageCodecFactory.getMessage(typeCode);
+            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode, version);
             messageCodec.decode(abstractResultMessage, byteBuffer);
             msgs[idx] = (AbstractResultMessage)abstractResultMessage;
         }
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/MergedWarpMessageCodec.java
index 436a82b7d26..be519f90ecc 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/MergedWarpMessageCodec.java
@@ -26,7 +26,6 @@
 import io.seata.serializer.seata.MessageSeataCodec;
 import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.MergedWarpMessage;
-import io.seata.serializer.seata.protocol.v1.MessageCodecFactoryV1;
 
 /**
  * The type Merged warp message codec.
@@ -34,8 +33,11 @@
  */
 public class MergedWarpMessageCodec extends AbstractMessageCodec {
 
-    protected MessageCodecFactory factory = new MessageCodecFactoryV1();
+    private byte version;
 
+    public MergedWarpMessageCodec(byte version) {
+        this.version = version;
+    }
     @Override
     public Class<?> getMessageClassType() {
         return MergedWarpMessage.class;
@@ -54,7 +56,7 @@ 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 = factory.getMessageCodec(typeCode);
+            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode, version);
             messageCodec.encode(msg, subBuffer);
             buffer.writeShort(msg.getTypeCode());
             buffer.writeBytes(subBuffer);
@@ -99,8 +101,8 @@ 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 = factory.getMessage(typeCode);
-            MessageSeataCodec messageCodec = factory.getMessageCodec(typeCode);
+            AbstractMessage abstractMessage = MessageCodecFactory.getMessage(typeCode);
+            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typeCode, version);
             messageCodec.decode(abstractMessage, byteBuffer);
             msgs.add(abstractMessage);
         }
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
deleted file mode 100644
index f4ec067ae0a..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/MessageCodecFactoryV0.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.serializer.seata.MessageCodecFactory;
-import io.seata.serializer.seata.MessageSeataCodec;
-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.BranchRollbackRequestCodec;
-import io.seata.serializer.seata.protocol.transaction.GlobalReportRequestCodec;
-
-/**
- * The type Message codec factory v0.
- */
-public class MessageCodecFactoryV0 extends MessageCodecFactory {
-
-    /**
-     * Gets msg instance by code.
-     *
-     * @param typeCode the type code
-     * @return the msg instance by code
-     */
-    @Override
-    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;
-        }
-
-        return msgCodec;
-    }
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
index dbadf7e667b..dd2305ba461 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
@@ -20,6 +20,7 @@
 import io.netty.buffer.Unpooled;
 import io.seata.common.util.BufferUtils;
 import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.serializer.Serializer;
 import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;
@@ -28,25 +29,37 @@
 
 /**
  * The Seata codec v0.
- *
  */
 public class SeataSerializerV0 implements Serializer {
 
-    MessageCodecFactory factory;
 
-    public SeataSerializerV0(){
-        factory =  new MessageCodecFactoryV0();
+    private SeataSerializerV0() {
     }
+
+    static Serializer instance;
+
+    public static Serializer getInstance() {
+        if (instance == null) {
+            synchronized (SeataSerializerV0.class) {
+                if (instance == null) {
+                    instance = new SeataSerializerV0();
+                }
+            }
+        }
+        return instance;
+    }
+
+
     @Override
     public <T> byte[] serialize(T t) {
         if (!(t instanceof AbstractMessage)) {
             throw new IllegalArgumentException("AbstractMessage isn't available.");
         }
-        AbstractMessage abstractMessage = (AbstractMessage)t;
+        AbstractMessage abstractMessage = (AbstractMessage) t;
         //type code
         short typecode = abstractMessage.getTypeCode();
         //msg codec
-        MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
+        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_0);
         //get empty ByteBuffer
         ByteBuf out = Unpooled.buffer(1024);
         //msg encode
@@ -81,12 +94,12 @@ public <T> T deserialize(byte[] bytes) {
         byteBuffer.get(body);
         ByteBuffer in = ByteBuffer.wrap(body);
         //new Messgae
-        AbstractMessage abstractMessage = factory.getMessage(typecode);
+        AbstractMessage abstractMessage = MessageCodecFactory.getMessage(typecode);
         //get messageCodec
-        MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
+        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_0);
         //decode
         messageCodec.decode(abstractMessage, in);
-        return (T)abstractMessage;
+        return (T) 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
deleted file mode 100644
index 7843336bfe9..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/MessageCodecFactoryV1.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.serializer.seata.MessageCodecFactory;
-
-/**
- * The type Message codec factory.
- */
-public class MessageCodecFactoryV1 extends MessageCodecFactory {
-
-
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
index 40fb0d55a30..5fec4661d0f 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
@@ -20,33 +20,39 @@
 import io.netty.buffer.Unpooled;
 import io.seata.common.util.BufferUtils;
 import io.seata.core.protocol.AbstractMessage;
+import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.serializer.Serializer;
 import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;
+import io.seata.serializer.seata.protocol.v0.SeataSerializerV0;
 
 import java.nio.ByteBuffer;
 
 /**
  * The Seata codec v1.
- *
  */
 public class SeataSerializerV1 implements Serializer {
 
-    MessageCodecFactory factory;
 
-    public SeataSerializerV1(){
-        factory =  new MessageCodecFactoryV1();
+    static Serializer instance = new SeataSerializerV1();
+
+    public static Serializer getInstance() {
+        return instance;
     }
+
+    private SeataSerializerV1() {
+    }
+
     @Override
     public <T> byte[] serialize(T t) {
         if (!(t instanceof AbstractMessage)) {
             throw new IllegalArgumentException("AbstractMessage isn't available.");
         }
-        AbstractMessage abstractMessage = (AbstractMessage)t;
+        AbstractMessage abstractMessage = (AbstractMessage) t;
         //type code
         short typecode = abstractMessage.getTypeCode();
         //msg codec
-        MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
+        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_1);
         //get empty ByteBuffer
         ByteBuf out = Unpooled.buffer(1024);
         //msg encode
@@ -83,12 +89,12 @@ public <T> T deserialize(byte[] bytes) {
         byteBuffer.get(body);
         ByteBuffer in = ByteBuffer.wrap(body);
         //new Messgae
-        AbstractMessage abstractMessage = factory.getMessage(typecode);
+        AbstractMessage abstractMessage = MessageCodecFactory.getMessage(typecode);
         //get messageCodec
-        MessageSeataCodec messageCodec = factory.getMessageCodec(typecode);
+        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_1);
         //decode
         messageCodec.decode(abstractMessage, in);
-        return (T)abstractMessage;
+        return (T) abstractMessage;
     }
 
 }

From 48a6090d35a9f30a7c04c2cb174d6c5d707aba59 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 2 Jan 2024 11:10:08 +0800
Subject: [PATCH 13/26] style

---
 .../io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java | 1 -
 1 file changed, 1 deletion(-)

diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
index 5fec4661d0f..acbdd74488f 100644
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
+++ b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
@@ -24,7 +24,6 @@
 import io.seata.core.serializer.Serializer;
 import io.seata.serializer.seata.MessageCodecFactory;
 import io.seata.serializer.seata.MessageSeataCodec;
-import io.seata.serializer.seata.protocol.v0.SeataSerializerV0;
 
 import java.nio.ByteBuffer;
 

From 181a421ef32ababcb3fca0546d726323f7faf7cd Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 4 Jan 2024 14:51:27 +0800
Subject: [PATCH 14/26] inner class

---
 .../serializer/seata/SeataSerializer.java     | 121 +++++++++++++++++-
 .../seata/protocol/v0/SeataSerializerV0.java  | 105 ---------------
 .../seata/protocol/v1/SeataSerializerV1.java  |  99 --------------
 3 files changed, 116 insertions(+), 209 deletions(-)
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
 delete mode 100644 serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java

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 2122a0cd2ba..a64bbcf0e9f 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
@@ -16,12 +16,16 @@
  */
 package io.seata.serializer.seata;
 
+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.common.util.BufferUtils;
+import io.seata.core.protocol.AbstractMessage;
 import io.seata.core.protocol.ProtocolConstants;
 import io.seata.core.serializer.Serializer;
-import io.seata.serializer.seata.protocol.v0.SeataSerializerV0;
-import io.seata.serializer.seata.protocol.v1.SeataSerializerV1;
+
+import java.nio.ByteBuffer;
 
 /**
  * The Seata codec.
@@ -31,15 +35,17 @@ public class SeataSerializer implements Serializer {
 
     Serializer versionSeataSerializer;
 
+    Serializer seataSerializerV0 = new SeataSerializerV0();
+    Serializer seataSerializerV1 = new SeataSerializerV1();
 
     public SeataSerializer(Byte version) {
         if (version == ProtocolConstants.VERSION_0) {
-            versionSeataSerializer = SeataSerializerV0.getInstance();
+            versionSeataSerializer = seataSerializerV0;
         } else if (version == ProtocolConstants.VERSION_1) {
-            versionSeataSerializer = SeataSerializerV1.getInstance();
+            versionSeataSerializer = seataSerializerV1;
         }
         if (versionSeataSerializer == null) {
-            throw new IllegalArgumentException("version is not supported");
+            throw new UnsupportedOperationException("version is not supported");
         }
     }
 
@@ -53,4 +59,109 @@ public <T> T deserialize(byte[] bytes) {
         return versionSeataSerializer.deserialize(bytes);
     }
 
+
+    class SeataSerializerV1 implements Serializer {
+
+        private SeataSerializerV1() {
+        }
+
+        @Override
+        public <T> byte[] serialize(T t) {
+            if (!(t instanceof AbstractMessage)) {
+                throw new IllegalArgumentException("AbstractMessage isn't available.");
+            }
+            AbstractMessage abstractMessage = (AbstractMessage) t;
+            //type code
+            short typecode = abstractMessage.getTypeCode();
+            //msg codec
+            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_1);
+            //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;
+
+            //typecode + body
+            byteBuffer = ByteBuffer.allocate(2 + body.length);
+            byteBuffer.putShort(typecode);
+            byteBuffer.put(body);
+
+            BufferUtils.flip(byteBuffer);
+            byte[] content = new byte[byteBuffer.limit()];
+            byteBuffer.get(content);
+            return content;
+        }
+
+        @Override
+        public <T> T deserialize(byte[] bytes) {
+            return deserializeByVersion(bytes, ProtocolConstants.VERSION_1);
+
+        }
+    }
+    class SeataSerializerV0 implements Serializer {
+
+
+        private SeataSerializerV0() {
+        }
+
+        @Override
+        public <T> byte[] serialize(T t) {
+            if (!(t instanceof AbstractMessage)) {
+                throw new IllegalArgumentException("AbstractMessage isn't available.");
+            }
+            AbstractMessage abstractMessage = (AbstractMessage) t;
+            //type code
+            short typecode = abstractMessage.getTypeCode();
+            //msg codec
+            MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_0);
+            //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;
+            byteBuffer = ByteBuffer.allocate(body.length);
+
+            byteBuffer.put(body);
+
+            BufferUtils.flip(byteBuffer);
+            byte[] content = new byte[byteBuffer.limit()];
+            byteBuffer.get(content);
+            return content;
+        }
+
+        @Override
+        public <T> T deserialize(byte[] bytes) {
+            return deserializeByVersion(bytes, ProtocolConstants.VERSION_0);
+        }
+
+    }
+
+    private static <T> T deserializeByVersion(byte[] bytes, byte version) {
+        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 = MessageCodecFactory.getMessage(typecode);
+        //get messageCodec
+        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, version);
+        //decode
+        messageCodec.decode(abstractMessage, in);
+        return (T) abstractMessage;
+    }
 }
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
deleted file mode 100644
index dd2305ba461..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v0/SeataSerializerV0.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.buffer.Unpooled;
-import io.seata.common.util.BufferUtils;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.serializer.Serializer;
-import io.seata.serializer.seata.MessageCodecFactory;
-import io.seata.serializer.seata.MessageSeataCodec;
-
-import java.nio.ByteBuffer;
-
-/**
- * The Seata codec v0.
- */
-public class SeataSerializerV0 implements Serializer {
-
-
-    private SeataSerializerV0() {
-    }
-
-    static Serializer instance;
-
-    public static Serializer getInstance() {
-        if (instance == null) {
-            synchronized (SeataSerializerV0.class) {
-                if (instance == null) {
-                    instance = new SeataSerializerV0();
-                }
-            }
-        }
-        return instance;
-    }
-
-
-    @Override
-    public <T> byte[] serialize(T t) {
-        if (!(t instanceof AbstractMessage)) {
-            throw new IllegalArgumentException("AbstractMessage isn't available.");
-        }
-        AbstractMessage abstractMessage = (AbstractMessage) t;
-        //type code
-        short typecode = abstractMessage.getTypeCode();
-        //msg codec
-        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_0);
-        //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;
-        byteBuffer = ByteBuffer.allocate(body.length);
-
-        byteBuffer.put(body);
-
-        BufferUtils.flip(byteBuffer);
-        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 = MessageCodecFactory.getMessage(typecode);
-        //get messageCodec
-        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_0);
-        //decode
-        messageCodec.decode(abstractMessage, in);
-        return (T) abstractMessage;
-    }
-
-}
diff --git a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java b/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
deleted file mode 100644
index acbdd74488f..00000000000
--- a/serializer/seata-serializer-seata/src/main/java/io/seata/serializer/seata/protocol/v1/SeataSerializerV1.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
-import io.seata.common.util.BufferUtils;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.serializer.Serializer;
-import io.seata.serializer.seata.MessageCodecFactory;
-import io.seata.serializer.seata.MessageSeataCodec;
-
-import java.nio.ByteBuffer;
-
-/**
- * The Seata codec v1.
- */
-public class SeataSerializerV1 implements Serializer {
-
-
-    static Serializer instance = new SeataSerializerV1();
-
-    public static Serializer getInstance() {
-        return instance;
-    }
-
-    private SeataSerializerV1() {
-    }
-
-    @Override
-    public <T> byte[] serialize(T t) {
-        if (!(t instanceof AbstractMessage)) {
-            throw new IllegalArgumentException("AbstractMessage isn't available.");
-        }
-        AbstractMessage abstractMessage = (AbstractMessage) t;
-        //type code
-        short typecode = abstractMessage.getTypeCode();
-        //msg codec
-        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_1);
-        //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;
-
-        //typecode + body
-        byteBuffer = ByteBuffer.allocate(2 + body.length);
-        byteBuffer.putShort(typecode);
-        byteBuffer.put(body);
-
-        BufferUtils.flip(byteBuffer);
-        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 = MessageCodecFactory.getMessage(typecode);
-        //get messageCodec
-        MessageSeataCodec messageCodec = MessageCodecFactory.getMessageCodec(typecode, ProtocolConstants.VERSION_1);
-        //decode
-        messageCodec.decode(abstractMessage, in);
-        return (T) abstractMessage;
-    }
-
-}

From d2804fb04469b88ace8ecf12e9ccb13274f69329 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Thu, 4 Jan 2024 15:00:34 +0800
Subject: [PATCH 15/26] inner class

---
 .../main/java/io/seata/serializer/seata/SeataSerializer.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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 a64bbcf0e9f..e8ab45237f3 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
@@ -60,7 +60,7 @@ public <T> T deserialize(byte[] bytes) {
     }
 
 
-    class SeataSerializerV1 implements Serializer {
+    static class SeataSerializerV1 implements Serializer {
 
         private SeataSerializerV1() {
         }
@@ -101,7 +101,7 @@ public <T> T deserialize(byte[] bytes) {
 
         }
     }
-    class SeataSerializerV0 implements Serializer {
+    static class SeataSerializerV0 implements Serializer {
 
 
         private SeataSerializerV0() {

From 342d306e27b3bea647c800e95cc8b204ee307b9d Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 22 Jan 2024 18:13:56 +0800
Subject: [PATCH 16/26] single pattern

---
 .../serializer/seata/SeataSerializer.java     | 28 +++++++++++++++----
 1 file changed, 23 insertions(+), 5 deletions(-)

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 e8ab45237f3..ea3634c5492 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
@@ -35,14 +35,11 @@ public class SeataSerializer implements Serializer {
 
     Serializer versionSeataSerializer;
 
-    Serializer seataSerializerV0 = new SeataSerializerV0();
-    Serializer seataSerializerV1 = new SeataSerializerV1();
-
     public SeataSerializer(Byte version) {
         if (version == ProtocolConstants.VERSION_0) {
-            versionSeataSerializer = seataSerializerV0;
+            versionSeataSerializer = SeataSerializerV0.getInstance();
         } else if (version == ProtocolConstants.VERSION_1) {
-            versionSeataSerializer = seataSerializerV1;
+            versionSeataSerializer = SeataSerializerV1.getInstance();
         }
         if (versionSeataSerializer == null) {
             throw new UnsupportedOperationException("version is not supported");
@@ -62,9 +59,20 @@ public <T> T deserialize(byte[] bytes) {
 
     static class SeataSerializerV1 implements Serializer {
 
+        private static SeataSerializerV1 instance;
+
         private SeataSerializerV1() {
         }
 
+        public static SeataSerializerV1 getInstance() {
+            if (instance == null) {
+                synchronized (SeataSerializerV1.class) {
+                    instance = new SeataSerializerV1();
+                }
+            }
+            return instance;
+        }
+
         @Override
         public <T> byte[] serialize(T t) {
             if (!(t instanceof AbstractMessage)) {
@@ -103,10 +111,20 @@ public <T> T deserialize(byte[] bytes) {
     }
     static class SeataSerializerV0 implements Serializer {
 
+        private static SeataSerializerV0 instance;
 
         private SeataSerializerV0() {
         }
 
+        public static SeataSerializerV0 getInstance() {
+            if (instance == null) {
+                synchronized (SeataSerializerV0.class) {
+                    instance = new SeataSerializerV0();
+                }
+            }
+            return instance;
+        }
+
         @Override
         public <T> byte[] serialize(T t) {
             if (!(t instanceof AbstractMessage)) {

From 74c48d5cb32c857eb0488c64a138e5893c3171ef Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Mon, 22 Jan 2024 18:20:50 +0800
Subject: [PATCH 17/26] conflit

---
 .../main/java/io/seata/core/rpc/netty/v1/ProtocolV1Decoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 afec56d62e5..47e0db91da4 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
@@ -151,7 +151,7 @@ public Object decodeFrame(ByteBuf frame) {
                 bs = compressor.decompress(bs);
                 SerializerType protocolType = SerializerType.getByCode(rpcMessage.getCodec());
                 if (this.serializerType.equals(protocolType)) {
-                    Serializer serializer = SerializerServiceLoader.load(protocolType,, ProtocolConstants.VERSION_1);
+                    Serializer serializer = SerializerServiceLoader.load(protocolType, ProtocolConstants.VERSION_1);
                     rpcMessage.setBody(serializer.deserialize(bs));
                 } else {
                     throw new IllegalArgumentException("SerializerType not match");

From 0f8c187f7ee19d4ccb310997769f7cb149579986 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Sun, 4 Feb 2024 17:55:34 +0800
Subject: [PATCH 18/26] resolve conflict

---
 .../apache/seata/serializer/seata/SeataSerializer.java    | 8 ++------
 .../seata/protocol/BatchResultMessageSerializerTest.java  | 3 ++-
 .../seata/protocol/MergeResultMessageSerializerTest.java  | 4 ++--
 .../seata/protocol/MergedWarpMessageSerializerTest.java   | 4 ++--
 .../seata/protocol/RegisterRMRequestSerializerTest.java   | 4 ++--
 .../seata/protocol/RegisterRMResponseSerializerTest.java  | 4 ++--
 .../seata/protocol/RegisterTMRequestSerializerTest.java   | 4 ++--
 .../seata/protocol/RegisterTMResponseSerializerTest.java  | 4 ++--
 .../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 ++-
 .../transaction/GlobalBeginRequestSerializerTest.java     | 3 ++-
 .../transaction/GlobalBeginResponseSerializerTest.java    | 3 ++-
 .../transaction/GlobalCommitRequestCodecTest.java         | 3 ++-
 .../transaction/GlobalCommitResponseSerializerTest.java   | 3 ++-
 .../transaction/GlobalLockQueryRequestSerializerTest.java | 3 ++-
 .../GlobalLockQueryResponseSerializerTest.java            | 3 ++-
 .../transaction/GlobalRollbackRequestCodecTest.java       | 3 ++-
 .../transaction/GlobalRollbackResponseSerializerTest.java | 3 ++-
 .../transaction/GlobalStatusRequestCodecTest.java         | 3 ++-
 .../transaction/GlobalStatusResponseSerializerTest.java   | 3 ++-
 .../transaction/UndoLogDeleteRequestSerializerTest.java   | 3 ++-
 27 files changed, 54 insertions(+), 38 deletions(-)

diff --git a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
index 671aa9917f8..bf63818556b 100644
--- a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
@@ -19,15 +19,11 @@
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import org.apache.seata.common.loader.LoadLevel;
+import org.apache.seata.common.loader.Scope;
 import org.apache.seata.common.util.BufferUtils;
 import org.apache.seata.core.protocol.AbstractMessage;
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.core.serializer.Serializer;
-import io.seata.common.loader.LoadLevel;
-import io.seata.common.loader.Scope;
-import io.seata.common.util.BufferUtils;
-import io.seata.core.protocol.AbstractMessage;
-import io.seata.core.protocol.ProtocolConstants;
-import io.seata.core.serializer.Serializer;
 
 import java.nio.ByteBuffer;
 
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
index 7da24e0954d..ca7ab1a4340 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/BatchResultMessageSerializerTest.java
@@ -22,6 +22,7 @@
 import org.apache.seata.core.model.BranchStatus;
 import org.apache.seata.core.protocol.AbstractResultMessage;
 import org.apache.seata.core.protocol.BatchResultMessage;
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.core.protocol.ResultCode;
 import org.apache.seata.core.protocol.transaction.BranchCommitResponse;
 import org.apache.seata.serializer.seata.SeataSerializer;
@@ -39,7 +40,7 @@ public class BatchResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
 
     @Test
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
index ee1ae8b83e3..b777710058b 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/MergeResultMessageSerializerTest.java
@@ -23,7 +23,7 @@
 import org.apache.seata.core.protocol.ResultCode;
 import org.apache.seata.core.protocol.transaction.GlobalBeginResponse;
 import org.junit.jupiter.api.Test;
-
+import org.apache.seata.core.protocol.ProtocolConstants;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
@@ -35,7 +35,7 @@ public class MergeResultMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
index 4996210977c..98cce56632f 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/MergedWarpMessageSerializerTest.java
@@ -24,7 +24,7 @@
 import org.apache.seata.core.protocol.transaction.GlobalBeginRequest;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.junit.jupiter.api.Test;
-
+import org.apache.seata.core.protocol.ProtocolConstants;
 import static org.assertj.core.api.Assertions.assertThat;
 
 
@@ -37,7 +37,7 @@ public class MergedWarpMessageSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
index 46a73801db0..b469bada982 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterRMRequestSerializerTest.java
@@ -19,7 +19,7 @@
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.protocol.RegisterRMRequest;
 import org.junit.jupiter.api.Test;
-
+import org.apache.seata.core.protocol.ProtocolConstants;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
@@ -31,7 +31,7 @@ public class RegisterRMRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
index b0115a04817..c766eb203a1 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterRMResponseSerializerTest.java
@@ -20,7 +20,7 @@
 import org.apache.seata.core.protocol.RegisterRMResponse;
 import org.apache.seata.core.protocol.ResultCode;
 import org.junit.jupiter.api.Test;
-
+import org.apache.seata.core.protocol.ProtocolConstants;
 import static org.assertj.core.api.Assertions.assertThat;
 
 
@@ -33,7 +33,7 @@ public class RegisterRMResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
index f3112aa1e27..73c53e89ae2 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterTMRequestSerializerTest.java
@@ -24,7 +24,7 @@
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mockito;
-
+import org.apache.seata.core.protocol.ProtocolConstants;
 import static io.netty.buffer.Unpooled.buffer;
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -37,7 +37,7 @@ public class RegisterTMRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     private static       RegisterTMRequest       registerTMRequest;
     private static       AbstractIdentifyRequest air;
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
index 349ef194941..b2cbb88235d 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/RegisterTMResponseSerializerTest.java
@@ -20,7 +20,7 @@
 import org.apache.seata.core.protocol.RegisterTMResponse;
 import org.apache.seata.core.protocol.ResultCode;
 import org.junit.jupiter.api.Test;
-
+import org.apache.seata.core.protocol.ProtocolConstants;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
@@ -32,7 +32,7 @@ public class RegisterTMResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
index 46f512ad915..fa66b63a35c 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchCommitRequestSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.model.BranchType;
 import org.apache.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);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
index d9e0286130c..d16ccbfa108 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchCommitResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.model.BranchStatus;
@@ -34,7 +35,7 @@ public class BranchCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
index dbd380fa540..dd18665a461 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRegisterRequestSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.model.BranchType;
 import org.apache.seata.core.protocol.transaction.BranchRegisterRequest;
@@ -32,7 +33,7 @@ public class BranchRegisterRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
index ef0db9b0bea..d10bf6f09af 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRegisterResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class BranchRegisterResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
index a114c9d49b9..0ea5c0d36f6 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchReportRequestSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.model.BranchStatus;
 import org.apache.seata.core.model.BranchType;
@@ -33,7 +34,7 @@ public class BranchReportRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
index 0edbc30f00c..2a1fea6cbff 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchReportResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class BranchReportResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
index 2a7d30a52ec..a73f623a1d3 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRollbackRequestSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.model.BranchType;
 import org.apache.seata.core.protocol.transaction.BranchRollbackRequest;
@@ -32,7 +33,7 @@ public class BranchRollbackRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
index 49dca443608..629ec6a4c2e 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/BranchRollbackResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.model.BranchStatus;
@@ -34,7 +35,7 @@ public class BranchRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
index ddc3b82483a..16cd14a8d82 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalBeginRequestSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.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);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
index 8b9cadfccf5..c3bb00f93b3 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalBeginResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.protocol.ResultCode;
@@ -32,7 +33,7 @@ public class GlobalBeginResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
index 8eea0d3aea5..502d4db7001 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalCommitRequestCodecTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.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);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
index a4418cb29f4..d9f2f2e8d9f 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalCommitResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.model.GlobalStatus;
@@ -33,7 +34,7 @@ public class GlobalCommitResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
index 5c2951fedb0..be9a494f790 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalLockQueryRequestSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.model.BranchType;
 import org.apache.seata.core.protocol.transaction.GlobalLockQueryRequest;
@@ -31,7 +32,7 @@ public class GlobalLockQueryRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
index 2d367ca4daa..1761a11c941 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalLockQueryResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.protocol.ResultCode;
@@ -33,7 +34,7 @@ public class GlobalLockQueryResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
index 1b6bf6a128f..204bafa692d 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalRollbackRequestCodecTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.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);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
index 32cbd7b3312..084cbc62c56 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalRollbackResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.model.GlobalStatus;
@@ -34,7 +35,7 @@ public class GlobalRollbackResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
index 2fe58490c64..0ea3bbba80d 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalStatusRequestCodecTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.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);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
index fc1ebe73545..9122db6d3ee 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/GlobalStatusResponseSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.exception.TransactionExceptionCode;
 import org.apache.seata.core.model.GlobalStatus;
@@ -33,7 +34,7 @@ public class GlobalStatusResponseSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.
diff --git a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
index 3c274239049..17ff921034b 100644
--- a/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
+++ b/serializer/seata-serializer-seata/src/test/java/org/apache/seata/serializer/seata/protocol/transaction/UndoLogDeleteRequestSerializerTest.java
@@ -16,6 +16,7 @@
  */
 package org.apache.seata.serializer.seata.protocol.transaction;
 
+import org.apache.seata.core.protocol.ProtocolConstants;
 import org.apache.seata.serializer.seata.SeataSerializer;
 import org.apache.seata.core.model.BranchType;
 import org.apache.seata.core.protocol.transaction.UndoLogDeleteRequest;
@@ -32,7 +33,7 @@ public class UndoLogDeleteRequestSerializerTest {
     /**
      * The Seata codec.
      */
-    SeataSerializer seataSerializer = new SeataSerializer();
+    SeataSerializer seataSerializer = new SeataSerializer(ProtocolConstants.VERSION);
 
     /**
      * Test codec.

From 704669a4b39dd17059a508c8f6b54d20ee605403 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Wed, 28 Feb 2024 11:46:34 +0800
Subject: [PATCH 19/26] style

---
 .../java/org/apache/seata/serializer/seata/SeataSerializer.java | 2 --
 1 file changed, 2 deletions(-)

diff --git a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
index bf63818556b..53b36da424b 100644
--- a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
@@ -32,7 +32,6 @@
  */
 @LoadLevel(name = "SEATA", scope = Scope.PROTOTYPE)
 public class SeataSerializer implements Serializer {
-
     Serializer versionSeataSerializer;
 
     public SeataSerializer(Byte version) {
@@ -106,7 +105,6 @@ public <T> byte[] serialize(T t) {
         @Override
         public <T> T deserialize(byte[] bytes) {
             return deserializeByVersion(bytes, ProtocolConstants.VERSION_1);
-
         }
     }
     static class SeataSerializerV0 implements Serializer {

From 2f5feb0552dc5eebdcea8d55db83b4664f33fa76 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 30 Apr 2024 10:03:23 +0800
Subject: [PATCH 20/26] merge

---
 .../core/serializer/SerializerServiceLoader.java   | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java b/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
index 83c74a2053b..0ae7ac8a679 100644
--- a/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
@@ -87,6 +87,13 @@ public static Serializer load(SerializerType type, byte version) throws Enhanced
         return serializer;
     }
 
+    private static String serialzerKey(SerializerType type, byte version) {
+        if (type == SerializerType.SEATA) {
+            return type.name() + version;
+        }
+        return type.name();
+    }
+
 
     public static Set<SerializerType> getSupportedSerializers() {
         Set<SerializerType> supportedSerializers = new HashSet<>();
@@ -104,11 +111,4 @@ public static Set<SerializerType> getSupportedSerializers() {
         return supportedSerializers;
     }
 
-
-    private static String serialzerKey(SerializerType type, byte version) {
-        if (type == SerializerType.SEATA) {
-            return type.name() + version;
-        }
-        return type.name();
-    }
 }
\ No newline at end of file

From 89c0674fbc17c679c5ca50d42fdb59703bdea320 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 7 May 2024 14:21:28 +0800
Subject: [PATCH 21/26] double lock check

---
 .../apache/seata/serializer/seata/SeataSerializer.java    | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
index 53b36da424b..12cf8e3834b 100644
--- a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
@@ -66,7 +66,9 @@ private SeataSerializerV1() {
         public static SeataSerializerV1 getInstance() {
             if (instance == null) {
                 synchronized (SeataSerializerV1.class) {
-                    instance = new SeataSerializerV1();
+                    if(instance == null){
+                        instance = new SeataSerializerV1();
+                    }
                 }
             }
             return instance;
@@ -117,7 +119,9 @@ private SeataSerializerV0() {
         public static SeataSerializerV0 getInstance() {
             if (instance == null) {
                 synchronized (SeataSerializerV0.class) {
-                    instance = new SeataSerializerV0();
+                    if(instance == null){
+                        instance = new SeataSerializerV0();
+                    }
                 }
             }
             return instance;

From b6498528bc703575665b4c269a9a5f25352dca94 Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 7 May 2024 14:25:55 +0800
Subject: [PATCH 22/26] double lock check

---
 .../org/apache/seata/serializer/seata/SeataSerializer.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
index 12cf8e3834b..17525c77a4c 100644
--- a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
@@ -66,7 +66,7 @@ private SeataSerializerV1() {
         public static SeataSerializerV1 getInstance() {
             if (instance == null) {
                 synchronized (SeataSerializerV1.class) {
-                    if(instance == null){
+                    if (instance == null) {
                         instance = new SeataSerializerV1();
                     }
                 }
@@ -119,7 +119,7 @@ private SeataSerializerV0() {
         public static SeataSerializerV0 getInstance() {
             if (instance == null) {
                 synchronized (SeataSerializerV0.class) {
-                    if(instance == null){
+                    if (instance == null) {
                         instance = new SeataSerializerV0();
                     }
                 }

From 3cc6ca3c0a86467add26f2e96f567bf1fbeed9bc Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Tue, 7 May 2024 14:30:28 +0800
Subject: [PATCH 23/26] double lock check

---
 .../org/apache/seata/serializer/seata/SeataSerializer.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
index 17525c77a4c..0e5bdb74c8e 100644
--- a/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
+++ b/serializer/seata-serializer-seata/src/main/java/org/apache/seata/serializer/seata/SeataSerializer.java
@@ -58,7 +58,7 @@ public <T> T deserialize(byte[] bytes) {
 
     static class SeataSerializerV1 implements Serializer {
 
-        private static SeataSerializerV1 instance;
+        private static volatile SeataSerializerV1 instance;
 
         private SeataSerializerV1() {
         }
@@ -111,7 +111,7 @@ public <T> T deserialize(byte[] bytes) {
     }
     static class SeataSerializerV0 implements Serializer {
 
-        private static SeataSerializerV0 instance;
+        private static volatile SeataSerializerV0 instance;
 
         private SeataSerializerV0() {
         }

From 9d199a1125f679c81f5b40edd38d781a60a8d4cd Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 21 Jun 2024 09:58:55 +0800
Subject: [PATCH 24/26] style

---
 .../apache/seata/core/serializer/SerializerServiceLoader.java | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java b/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
index e13d46efc83..f3d40b049db 100644
--- a/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
@@ -46,7 +46,7 @@ public final class SerializerServiceLoader {
     private static final Logger LOGGER = LoggerFactory.getLogger(SerializerServiceLoader.class);
     private static final Configuration CONFIG = ConfigurationFactory.getInstance();
 
-    private static final SerializerType[] DEFAULT_SERIALIZER_TYPE = new SerializerType[] {SEATA, PROTOBUF, KRYO, HESSIAN};
+    private static final SerializerType[] DEFAULT_SERIALIZER_TYPE = new SerializerType[]{SEATA, PROTOBUF, KRYO, HESSIAN};
 
     private static final String SPLIT_CHAR = ",";
 
@@ -115,6 +115,4 @@ public static SerializerType getDefaultSerializerType() {
         return getSupportedSerializers().get(0);
     }
 
-}
-
 }
\ No newline at end of file

From dd9d808e99d6f0d4458b0685e2b1bc00f36afd0b Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 21 Jun 2024 10:55:20 +0800
Subject: [PATCH 25/26] style

---
 changes/en-us/2.x.md                                          | 1 +
 changes/zh-cn/2.x.md                                          | 2 ++
 .../apache/seata/core/serializer/SerializerServiceLoader.java | 4 ++--
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/changes/en-us/2.x.md b/changes/en-us/2.x.md
index ac8d07da8e7..1ee39f50af5 100644
--- a/changes/en-us/2.x.md
+++ b/changes/en-us/2.x.md
@@ -130,6 +130,7 @@ Add changes here for all PR submitted to the 2.x branch.
 - [[#6442](https://github.com/apache/incubator-seata/pull/6442)] clarify if conditions
 - [[#6487](https://github.com/apache/incubator-seata/pull/6487)] fix typo and package name
 - [[#6499](https://github.com/apache/incubator-seata/pull/6499)] split the task thread pool for committing and rollbacking statuses
+- [[#6208](https://github.com/apache/incubator-seata/pull/6208)] optimize : load SeataSerializer by version
 
 ### refactor:
 - [[#6269](https://github.com/apache/incubator-seata/pull/6269)] standardize Seata Exception
diff --git a/changes/zh-cn/2.x.md b/changes/zh-cn/2.x.md
index 7859e61dea4..361d279888e 100644
--- a/changes/zh-cn/2.x.md
+++ b/changes/zh-cn/2.x.md
@@ -130,6 +130,8 @@
 - [[#6442](https://github.com/apache/incubator-seata/pull/6442)] 阐明 if
 - [[#6487](https://github.com/apache/incubator-seata/pull/6487)] 修复错误包名以及单词
 - [[#6499](https://github.com/apache/incubator-seata/pull/6499)] 拆分 committing 和 rollbacking 状态的任务线程池
+- [[#6208](https://github.com/apache/incubator-seata/pull/6208)] 支持多版本的Seata序列化
+
 
 ### refactor:
 - [[#6269](https://github.com/apache/incubator-seata/pull/6269)] 统一Seata异常规范
diff --git a/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java b/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
index f3d40b049db..0503fa8f731 100644
--- a/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
+++ b/core/src/main/java/org/apache/seata/core/serializer/SerializerServiceLoader.java
@@ -48,13 +48,13 @@ public final class SerializerServiceLoader {
 
     private static final SerializerType[] DEFAULT_SERIALIZER_TYPE = new SerializerType[]{SEATA, PROTOBUF, KRYO, HESSIAN};
 
+    private final static Map<String, Serializer> SERIALIZER_MAP = new HashMap<>();
+
     private static final String SPLIT_CHAR = ",";
 
     private SerializerServiceLoader() {
     }
 
-    private final static Map<String, Serializer> SERIALIZER_MAP = new HashMap<>();
-
     private static final String PROTOBUF_SERIALIZER_CLASS_NAME = "org.apache.seata.serializer.protobuf.ProtobufSerializer";
 
     /**

From ac90469b52b0d00386bf86ffb5513b6ba36e28bc Mon Sep 17 00:00:00 2001
From: "minghua.xie" <minghua.xie@shopee.com>
Date: Fri, 21 Jun 2024 11:28:05 +0800
Subject: [PATCH 26/26] style

---
 changes/en-us/2.x.md | 1 +
 changes/zh-cn/2.x.md | 1 +
 2 files changed, 2 insertions(+)

diff --git a/changes/en-us/2.x.md b/changes/en-us/2.x.md
index 46cd7eef64c..a015a2ec220 100644
--- a/changes/en-us/2.x.md
+++ b/changes/en-us/2.x.md
@@ -32,5 +32,6 @@ Thanks to these contributors for their code commits. Please report an unintended
 - [tuwenlin](https://github.com/tuwenlin)
 - [YeonCheolGit](https://github.com/YeonCheolGit)
 - [liuqiufeng](https://github.com/liuqiufeng)
+- [Bughue](https://github.com/Bughue)
 
 Also, we receive many valuable issues, questions and advices from our community. Thanks for you all.
diff --git a/changes/zh-cn/2.x.md b/changes/zh-cn/2.x.md
index 7ba7967a3d1..7e8a0ba21c4 100644
--- a/changes/zh-cn/2.x.md
+++ b/changes/zh-cn/2.x.md
@@ -29,5 +29,6 @@
 - [tuwenlin](https://github.com/tuwenlin)
 - [YeonCheolGit](https://github.com/YeonCheolGit)
 - [liuqiufeng](https://github.com/liuqiufeng)
+- [Bughue](https://github.com/Bughue)
 
 同时，我们收到了社区反馈的很多有价值的issue和建议，非常感谢大家。