diff --git a/index.html b/index.html
index 36d55460da161668ee0c2df540a0e5a6f1283003..10980a5c83f82bf8c03d8e012357a00e01799326 100644
--- a/index.html
+++ b/index.html
@@ -62,10 +62,16 @@
       themeColor: '#043361',
       repo: 'apachecn/ucb-cs294-112-notes-zh',
       plugins: [window.docsPlugin],
+      search: {
+        paths: 'auto',
+        placeholder: '搜索',
+        noData: '没有结果',
+      },
     }
   </script>
   
   <script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
+  <script src="//unpkg.com/docsify/lib/plugins/search.min.js"></script>
   <script src="//unpkg.com/prismjs/components/prism-python.min.js"></script>
   <script>Prism.languages.py = Prism.languages.python</script>
 </body>