diff --git a/public/react/src/common/components/media/AliyunUploader.js b/public/react/src/common/components/media/AliyunUploader.js
index 6d93b3076..66dfd86fd 100644
--- a/public/react/src/common/components/media/AliyunUploader.js
+++ b/public/react/src/common/components/media/AliyunUploader.js
@@ -4,7 +4,7 @@ import { getUrl2, isDev } from 'educoder'
 import axios from 'axios'
 const $ = window.$
 let _url_origin = getUrl2()
-let _path = _isDev ? 'public' : 'build'
+let _path = isDev() ? 'public' : 'build'
 
 let uploader
 
@@ -14,7 +14,7 @@ let _testHost = '' ; '192.168.2.63:3001/api'
 const login = 'innov'
 
 function createUploader () {
-    uploader = new AliyunUpload.Vod({
+    uploader = new window.AliyunUpload.Vod({
         timeout: $('#timeout').val() || 60000,
         partSize: $('#partSize').val() || 1048576,
         parallel: $('#parallel').val() || 5,