diff --git a/public/index.html b/public/index.html
index 0e0c730..5d50505 100644
--- a/public/index.html
+++ b/public/index.html
@@ -84,7 +84,7 @@
   <script src="libs/scripts/codemirror/format.js"></script>
 
   <script src="libs/scripts/markdown.min.js"></script>
-  <!-- <script src="libs/scripts/prettify.min.js"></script> -->
+  <script src="libs/scripts/prettify.min.js"></script>
   <!-- <script src="libs/scripts/index.js"></script> -->
   <script src="libs/scripts/jquery.min.js"></script>
   <script src="libs/scripts/closebrackets.js"></script>
@@ -97,6 +97,9 @@
     window.console
       && window.console.log
       && (console.log("Think big, train fast, learn deep. See https://github.com/yanglbme"))
+    setTimeout(() => {
+      document.body.addEventListener('load', prettyPrint())
+    }, 2000)
   </script>
 </body>
 
diff --git a/src/App.vue b/src/App.vue
index b99e3bd..b102a61 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -135,7 +135,6 @@ import {
 } from './scripts/util'
 import DEFAULT_CONTENT from './scripts/default-content'
 import DEFAULT_CSS_CONTENT from './scripts/themes/default-theme-css'
-// import { prettyPrint } from 'prettify'
 require('codemirror/mode/javascript/javascript')
 export default {
   data () {
@@ -485,11 +484,6 @@ export default {
         type: 'success'
       })
     }
-  },
-  updated () {
-    this.$nextTick(() => {
-      // prettyPrint()
-    })
   }
 }
 </script>