diff --git a/demo/index.html b/demo/index.html
index 3ff84d0..59ef1e5 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -5,7 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>百度开放云 - Javascript SDK</title>
-    <link rel="stylesheet" href="node_modules/bootstrap/dist/css/bootstrap.min.css">
+    <link rel="stylesheet" href="css/bootstrap.min.css">
     <link rel="stylesheet" href="css/main.css">
     <!--[if lt IE 9]>
     <script src="js/html5shiv.min.js"></script>