var wx_appid = 'wxc2b3d8613291952e';
var wx_timestamp = 1539657283;
var wx_nonceStr = 'vhIGD9ZNY5vKOqaz';
var wx_signature = 'c4eb985bf48a1cadc51dbec5cb072aa4ddd205bb';
var wx_domain = 'html5-app.chinacloudapp.cn';
var wx_referer = 'http://topics.gmw.cn/node_114914.htm';