diff --git a/custom_theme/base.html b/custom_theme/base.html
index 9f041481fb4f46562c9a86926a8ed334d81a51fd..36d12ee116e83cb6a95140328b820384fd1d5ee3 100644
--- a/custom_theme/base.html
+++ b/custom_theme/base.html
@@ -82,6 +82,16 @@
     <link rel="stylesheet" href="https://unpkg.com/gitalk/dist/gitalk.css">
     <script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=default"></script>
 
+    <script>
+    var _hmt = _hmt || [];
+    (function() {
+      var hm = document.createElement("script");
+      hm.src = "https://hm.baidu.com/hm.js?f272a2ddc7c0d8fe7ea0ebce50ed44d3";
+      var s = document.getElementsByTagName("script")[0]; 
+      s.parentNode.insertBefore(hm, s);
+    })();
+    </script>
+    
   </head>
   {% if palette.primary or palette.accent %}
     {% set primary = palette.primary | replace(" ", "-") | lower %}