diff --git a/README_EN.md b/README_EN.md
index 3b72101..0b10314 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -34,7 +34,7 @@ echo 1> / proc / sys / net / ipv4 / icmp_echo_ignore_all
 * Download the gui version of qt from [pingtunnel-qt](https://github.com/esrrhs/pingtunnel-qt)
 * Double-click the exe to run, modify the server (such as www.yourserver.com), listen port (such as 1080), tick sock5, other settings can be default, and then click *GO*
 * Everything is normal, there will be a ping value on the interface, and then you can click X to hide it in the status bar
-* Set the browser's sock5 proxy to 127.0.0.1:1080
+* Set the browser's sock5 proxy to 127.0.0.1:1080, If you do not connect to the Internet, a socks version not supported error log appears, indicating that the browser's proxy is not a socks5 proxy
 
 ![image](qtrun.jpg)