Update README.md

zhanghe06 · zhanghe06 · commit 1e613135857b · 2015-12-05T12:38:30.000+08:00
diff --git a/README.md b/README.md
@@ -578,8 +578,9 @@ pgadmin3已经包含了postgresql-client
 
 驱动的安装
 ```
+$ sudo apt-get install python-dev
 $ sudo apt-get install libpq-dev
-$ pip install psycopg2
+$ sudo pip install psycopg2
 ```
 
 终端使用
