diff --git a/docs/javascripts/extra.js b/docs/javascripts/extra.js
index aefb39cf3..4115a61d8 100644
--- a/docs/javascripts/extra.js
+++ b/docs/javascripts/extra.js
@@ -1,7 +1,7 @@
 var _hmt = _hmt || [];
 (function () {
   var hm = document.createElement('script');
-  hm.src = 'https://hm.baidu.com/hm.js?5b7b3f6f6d3c71ccfb2011dba89bac2f';
+  hm.src = 'https://hm.baidu.com/hm.js?4de531bcaec2683f90e5427728a841d6';
   var s = document.getElementsByTagName('script')[0];
   s.parentNode.insertBefore(hm, s);
 })();