add link for sub-trans barrier

README-en.md

@@ -70,6 +70,6 @@ If you think this project is good, or helpful to you, please give a star!
 
 ### Who is using
 <div style='vertical-align: middle'>
-    <img alt='常青藤爸爸' height='40'  src='https://www.ivydad.com/_nuxt/img/header-logo.2645ad5.png'  /img>
-    <img alt='镜小二' height='40'  src='https://img.epeijing.cn/official-website/assets/logo.png'  /img>
+    <img alt='ivydad' height='40'  src='https://www.ivydad.com/_nuxt/img/header-logo.2645ad5.png'  /img>
+    <img alt='eglass' height='40'  src='https://img.epeijing.cn/official-website/assets/logo.png'  /img>
 </div>

README.md

@@ -21,7 +21,7 @@ DTM是首款golang的开源分布式事务管理器，优雅的解决了幂等
 |  特性| DTM | SEATA |备注|
 |:-----:|:----:|:----:|:----:|
 | 支持语言 |  <font color=green>Golang、python、php及其他</font> | <font color=orange>Java</font> |dtm可轻松接入一门新语言|
-|异常处理| <font color=green>子事务屏障自动处理</font>|<font color=orange>手动处理</font> |dtm解决了幂等、悬挂、空补偿|
+|异常处理| <font color=green>[子事务屏障自动处理](https://zhuanlan.zhihu.com/p/388444465)</font>|<font color=orange>手动处理</font> |dtm解决了幂等、悬挂、空补偿|
 | TCC事务| <font color=green>✓</font>|<font color=green>✓</font>||
 | XA事务|<font color=green>✓</font>|<font color=green>✓</font>||
 |AT事务|<font color=red>✗</font>|<font color=green>✓</font>|AT与XA类似，性能更好|