weixin = document.createElement("script");
  weixin.setAttribute("src", "http://res.wx.qq.com/open/js/jweixin-1.0.0.js");
  document.getElementsByTagName("head")[0].appendChild(weixin);

  weixin.onload = function(){
    wx.config({
      debug: false,
      appId: 'wxd0aa86719fd88894',
      timestamp: 1476857590,
      nonceStr: 'c449MhV7IXf4aSeF',
      signature: '8e9d87ff4f72f2942191d7416cc05e8a3859ae35',
      jsApiList: [
        "onMenuShareTimeline",
        "onMenuShareAppMessage",
        "onMenuShareQQ",
        "onMenuShareWeibo"
      ]
    });
    wx.ready(function () {
      wxinit();
    });
  }