diff --git a/docs/docs/0.51/debugging.md b/docs/docs/0.51/debugging.md
index a0379d7..8945193 100644
--- a/docs/docs/0.51/debugging.md
+++ b/docs/docs/0.51/debugging.md
@@ -90,6 +90,11 @@ npm install -g react-devtools
 react-devtools
 ```
 
+执行命令后会启动 React Develpoer Tools
+> 注意：使用 React Develpoer Tools 调试之前必须先到模拟器中关闭 "Debug JS Remotely" 功能，否则会连接不上。
+
+> 注意：Andorid版本的调试菜单换成了"Toggle Inspector"(自动执行)。
+
 <img src="https://camo.githubusercontent.com/3226d81c8d40f07f10c1f78876905a1bfc2d6d82/687474703a2f2f692e696d6775722e636f6d2f49586548695a442e706e67" width="700" alt="React DevTools">
 
 It should connect to your simulator within a few seconds.