diff --git a/tushare/pro/client.py b/tushare/pro/client.py
index d8803117..c1998997 100644
--- a/tushare/pro/client.py
+++ b/tushare/pro/client.py
@@ -1,6 +1,7 @@
 # !/usr/bin/env python
 # -*- coding: utf-8 -*-
-
+"""
+"""
 """
 Pro数据接口 
 Created on 2017/07/01