diff --git a/plugins/hm.js b/plugins/hm.js
index e05eb4b..3fdc39f 100644
--- a/plugins/hm.js
+++ b/plugins/hm.js
@@ -1,10 +1,10 @@
 export default ({ app }) => {
   if (process.env.NODE_ENV !== 'production') return
 
-  var _hmt = window._hmt = window._hmt || []
+  var _hmt = (window._hmt = window._hmt || [])
 
   var hm = document.createElement('script')
-  hm.src = 'https://hm.baidu.com/hm.js?d204d9e2f2ad504d6fe10939a9b5b588'
+  hm.src = 'https://hm.baidu.com/hm.js?3b91e2b87603771f136a8c593a515811'
   var s = document.getElementsByTagName('script')[0]
   s.parentNode.insertBefore(hm, s)