diff --git a/Shadowsocks-使用说明.md b/Shadowsocks-使用说明.md
index 70f70b7..f5a0501 100644
--- a/Shadowsocks-使用说明.md
+++ b/Shadowsocks-使用说明.md
@@ -90,6 +90,11 @@ Ubuntu:
 
     apt-get install python-m2crypto
 
+Debian:
+
+    apt-get install libssl-dev swig
+    pip install M2Crypto
+
 其它系统:
 
     apt-get install openssl-dev swig