diff --git a/update-en.md b/update-en.md
index ad5f1c385..29690e30c 100644
--- a/update-en.md
+++ b/update-en.md
@@ -8,7 +8,7 @@
 * refactor ProxyDynamicConf, support custom Loader
 
 ### fix
-* fix RedisConnection heartbeat error do not close connection
+* fix RedisConnection heartbeat error do not close connection(bug from v1.2.0)
 
 
 # 1.2.1（2023/02/22）
diff --git a/update-zh.md b/update-zh.md
index 10be9378f..602341963 100644
--- a/update-zh.md
+++ b/update-zh.md
@@ -8,7 +8,7 @@
 * 重构了ProxyDynamicConf，支持自定义loader
 
 ### fix
-* 修复RedisConnection心跳异常后没有关闭连接
+* 修复RedisConnection心跳异常后没有关闭连接(1.2.0引入)
 
 
 # 1.2.1（2023/02/22）