var _hmt = _hmt || [];
(function() {
  console.log('进来了aff')
  var hm = document.createElement("script");
  hm.src = "https://hm.baidu.com/hm.js?5fc0d724f00227e40e455649512e8fcb";
  var s = document.getElementsByTagName("script")[0]; 
  s.parentNode.insertBefore(hm, s);
})();