diff --git a/lib/api_common.js b/lib/api_common.js
index 151c8fe..ae8a4b3 100644
--- a/lib/api_common.js
+++ b/lib/api_common.js
@@ -6,7 +6,7 @@ var extend = require('util')._extend;
 var querystring = require('querystring');
 
 var API = function (appKey, appSecert) {
-    this.__baseurl__ = 'https://api.cn.rong.io';
+    this.__baseurl__ = 'http://api.cn.ronghub.com';
     this.__format__ = 'json';
     this.__appkey__ = appKey;
     this.__appsecret__ = appSecert;