diff --git a/README.md b/README.md
index 3c95bf0..e32c3b1 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,8 @@ sudo ./pingtunnel -type server
 
 ### 安装客户端
 * 从[releases](https://github.com/esrrhs/pingtunnel/releases)下载对应的安装包，如pingtunnel_windows64.zip，解压
-* 然后用管理员权限运行，不同的转发功能所对应的命令如下。
+* 然后用管理员权限运行，不同的转发功能所对应的命令如下
+* 如果看到有ping pong的log，说明连接正常
 ##### 转发sock5
 ```
 pingtunnel.exe -type client -l :4455 -s www.yourserver.com -sock5 1
diff --git a/README_EN.md b/README_EN.md
index 9c4b4e8..fa11630 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -36,6 +36,7 @@ sudo ./pingtunnel -type server
 ### Install the client
 * Download the corresponding installation package from [releases](https://github.com/esrrhs/pingtunnel/releases), such as pingtunnel_windows64.zip, and decompress it
 * Then run with administrator privileges. The commands corresponding to different forwarding functions are as follows.
+* If you see a log of ping pong, the connection is normal
 ##### Forward sock5
 ```
 pingtunnel.exe -type client -l: 4455 -s www.yourserver.com -sock5 1