diff --git a/index.html b/index.html
index 08d633a..154aac6 100644
--- a/index.html
+++ b/index.html
@@ -6,7 +6,7 @@
   </head>
   <body>
     <div id="app"></div>
-    <script src="https://unpkg.com/es6-promise"></script>
+    <script src="https://unpkg.com/es6-promise/dist/es6-promise.auto.min.js"></script>
     <script src="https://unpkg.com/vue"></script>
     <script src="https://unpkg.com/vuex"></script>
     <script src="./dist/example.js"></script>
diff --git a/package.json b/package.json
index c776ff8..0b079e9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "vue-upload-component",
   "description": "Vue.js file upload component, Support for multiple file uploads, progress, html5, html4, support ie9",
-  "version": "2.5.0-beta.1",
+  "version": "2.5.0-beta.2",
   "author": "LianYue",
   "scripts": {
     "dev": "webpack-dev-server --inline --hot",
