docs：Add logo of registered enterprise,and Change image source to Ali…

…cdn (#3874)
apache · Feb 28, 2022 · 4c88984 · 4c88984
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diff --git a/README.md b/README.md
diff --git a/changes/1.5.0.md b/changes/1.5.0.md
@@ -189,9 +189,11 @@ Seata 是一款开源的分布式事务解决方案，提供高性能和简单
   - [[#4400](https://github.com/seata/seata/pull/4400)] 异步二阶段任务支持并行处理提升效率 
   - [[#4391](https://github.com/seata/seata/pull/4391)] commit/rollback 重试超时事件
   - [[#4409](https://github.com/seata/seata/pull/4409)] 测试类添加版权标题
+  - [[#4282](https://github.com/seata/seata/pull/4282)] 优化回滚镜像构建逻辑
   - [[#4407](https://github.com/seata/seata/pull/4407)] file模式下无需延迟删除globasession
 
 
+
 ### test：
 
 

diff --git a/changes/en-us/1.5.0.md b/changes/en-us/1.5.0.md
@@ -44,7 +44,7 @@
   - [[#4293](https://github.com/seata/seata/pull/4293)] get global lock in the file mode
   - [[#4335](https://github.com/seata/seata/pull/4335)] Realize configuration center upload configuration interactive script (nacos,etcd3)
   - [[#4332](https://github.com/seata/seata/pull/4332)] Realize configuration center upload configuration interactive script (apollo,consul,zk)
-  
+
 
   ### bugfix：
   - [[#3497](https://github.com/seata/seata/pull/3497)] fix tcc phase two response timeout exception
@@ -103,6 +103,7 @@
 
 
 
+
    ### optimize：
   - [[#4163](https://github.com/seata/seata/pull/4163)] improve CONTRIBUTING docs
   - [[#3678](https://github.com/seata/seata/pull/3678)] supplement missing configuration and new version documents
@@ -193,6 +194,7 @@
   - [[#4400](https://github.com/seata/seata/pull/4400)] asynchronous tasks handle global transactions in parallel
   - [[#4391](https://github.com/seata/seata/pull/4391)] commit/rollback retry timeout event
   - [[#4409](https://github.com/seata/seata/pull/4409)] add copyright header to test classes
+  - [[#4282](https://github.com/seata/seata/pull/4282)] optimize build UndoItem logic
   - [[#4407](https://github.com/seata/seata/pull/4407)] file mode does not require lazy processing of sessions
 
 

diff --git a/script/client/at/db/mysql.sql b/script/client/at/db/mysql.sql
@@ -11,4 +11,4 @@ CREATE TABLE IF NOT EXISTS `undo_log`
     UNIQUE KEY `ux_undo_log` (`xid`, `branch_id`)
 ) ENGINE = InnoDB
   AUTO_INCREMENT = 1
-  DEFAULT CHARSET = utf8 COMMENT ='AT transaction mode undo table';
+  DEFAULT CHARSET = utf8mb4 COMMENT ='AT transaction mode undo table';
diff --git a/script/client/saga/db/mysql.sql b/script/client/saga/db/mysql.sql
@@ -16,7 +16,7 @@ CREATE TABLE IF NOT EXISTS `seata_state_machine_def`
     `recover_strategy` VARCHAR(16) COMMENT 'transaction recover strategy(compensate|retry)',
     PRIMARY KEY (`id`)
 ) ENGINE = InnoDB
-  DEFAULT CHARSET = utf8;
+  DEFAULT CHARSET = utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `seata_state_machine_inst`
 (
@@ -37,7 +37,7 @@ CREATE TABLE IF NOT EXISTS `seata_state_machine_inst`
     PRIMARY KEY (`id`),
     UNIQUE KEY `unikey_buz_tenant` (`business_key`, `tenant_id`)
 ) ENGINE = InnoDB
-  DEFAULT CHARSET = utf8;
+  DEFAULT CHARSET = utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `seata_state_inst`
 (
@@ -61,4 +61,4 @@ CREATE TABLE IF NOT EXISTS `seata_state_inst`
     `gmt_end`                  DATETIME(3) COMMENT 'end time',
     PRIMARY KEY (`id`, `machine_inst_id`)
 ) ENGINE = InnoDB
-  DEFAULT CHARSET = utf8;
+  DEFAULT CHARSET = utf8mb4;
diff --git a/script/client/tcc/db/mysql.sql b/script/client/tcc/db/mysql.sql
@@ -11,4 +11,4 @@ CREATE TABLE IF NOT EXISTS `tcc_fence_log`
     KEY `idx_gmt_modified` (`gmt_modified`),
     KEY `idx_status` (`status`)
 ) ENGINE = InnoDB
-DEFAULT CHARSET = utf8;
+DEFAULT CHARSET = utf8mb4;
diff --git a/script/server/db/mysql.sql b/script/server/db/mysql.sql
@@ -17,7 +17,7 @@ CREATE TABLE IF NOT EXISTS `global_table`
     KEY `idx_status_gmt_modified` (`status` , `gmt_modified`),
     KEY `idx_transaction_id` (`transaction_id`)
 ) ENGINE = InnoDB
-  DEFAULT CHARSET = utf8;
+  DEFAULT CHARSET = utf8mb4;
 
 -- the table to store BranchSession data
 CREATE TABLE IF NOT EXISTS `branch_table`
@@ -36,7 +36,7 @@ CREATE TABLE IF NOT EXISTS `branch_table`
     PRIMARY KEY (`branch_id`),
     KEY `idx_xid` (`xid`)
 ) ENGINE = InnoDB
-  DEFAULT CHARSET = utf8;
+  DEFAULT CHARSET = utf8mb4;
 
 -- the table to store lock data
 CREATE TABLE IF NOT EXISTS `lock_table`
@@ -55,7 +55,7 @@ CREATE TABLE IF NOT EXISTS `lock_table`
     KEY `idx_status` (`status`),
     KEY `idx_branch_id` (`branch_id`)
 ) ENGINE = InnoDB
-  DEFAULT CHARSET = utf8;
+  DEFAULT CHARSET = utf8mb4;
 
 CREATE TABLE IF NOT EXISTS `distributed_lock`
 (