diff --git a/index.html b/index.html
index 1cc65b6..acfce26 100644
--- a/index.html
+++ b/index.html
@@ -9,8 +9,7 @@
   <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
   <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/vue.css">
   <!-- Theme: Defaults -->
-  <!-- <link rel="stylesheet" href="https://unpkg.com/docsify-themeable/dist/css/theme-defaults.css"> -->
-
+  <!-- <linkrel="stylesheet" href="https://unpkg.com/docsify-themeable/dist/css/theme-defaults.css"> -->
 
   <style>
     body {
@@ -34,12 +33,14 @@
       subMaxLevel: 3,
       formatUpdated: '{MM}/{DD} {HH}:{mm}',
       coverpage: false,
-      homepage: 'README.md'
+      homepage: 'README.md',
+      ga: 'UA-5243064-19'
     }
   </script>
   <script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
   <script src="//unpkg.com/prismjs/components/prism-go.min.js"></script>
   <script src="//unpkg.com/prismjs/components/prism-java.min.js"></script>
+  <script src="//unpkg.com/docsify/lib/plugins/ga.min.js"></script>
 </body>
 
 </html>