diff --git a/config.toml b/config.toml
index 25020d1494047d62b0a031f3beb41ce6750acdd1..cab6dc013fd397e1cdf554361b03a58d49c79614 100644
--- a/config.toml
+++ b/config.toml
@@ -39,7 +39,7 @@ contact_form_action = "#" # contact form works with : https://formspree.io
   
 [[params.social]]
 icon = "ti-github" # themify icon pack : https://themify.me/themify-icons
-link = "https://codechina.csdn.net/codechina/developer-roadmap/DevOps/intro"
+link = "https://codechina.csdn.net/codechina/developer-roadmap/DevOps/info"
 
 
 ################################ 中文 ######################
diff --git a/themes/dot/layouts/partials/head.html b/themes/dot/layouts/partials/head.html
index 64ae6448b25d9e4324b6fbef2823c98fee4da891..29ae4e7832146038f52061e1558963ca974ef611 100644
--- a/themes/dot/layouts/partials/head.html
+++ b/themes/dot/layouts/partials/head.html
@@ -55,5 +55,13 @@
 {{ else }}
   {{ "<!-- create /layouts/partials/overrides/header.html in your own theme or root directory to add your custom content here -->" | safeHTML }}
 {{ end }}
-
+<script>
+  var _hmt = _hmt || [];
+  (function() {
+    var hm = document.createElement("script");
+    hm.src = "https://hm.baidu.com/hm.js?289183eba3a0dc259eb4f916d634fa7d";
+    var s = document.getElementsByTagName("script")[0]; 
+    s.parentNode.insertBefore(hm, s);
+  })();
+</script>
 </head>