diff --git a/README.md b/README.md
index 24a43c3..ebc5d8c 100755
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
+backup of [https://github.com/shadowsocks/shadowsocks](https://github.com/shadowsocks/shadowsocks)  
+copy from [release 2.8.2](https://github.com/shadowsocks/shadowsocks/releases/tag/2.8.2)
+
 shadowsocks
 ===========
 
@@ -111,4 +114,3 @@ Bugs and Issues
 [Troubleshooting]:   https://github.com/shadowsocks/shadowsocks/wiki/Troubleshooting
 [Wiki]:              https://github.com/shadowsocks/shadowsocks/wiki
 [Windows]:           https://github.com/shadowsocks/shadowsocks-csharp
-# shadowsocks