videoUrl update

docs/README.md

@@ -77,8 +77,8 @@
 
 我们精心准备了一个简单的十分钟介绍视频，方便你快速了解```uni-app```的主要特征：
 
-<!-- <video id="video" onplay="videoPlay()" preload="none" controls="controls" width="100%" poster="https://img-cdn-qiniu.dcloud.net.cn/uniapp/doc/poster.png" src="https://img.cdn.aliyun.dcloud.net.cn/guide/uniapp/%E7%AC%AC1%E8%AE%B2%EF%BC%88uni-app%E4%BA%A7%E5%93%81%E4%BB%8B%E7%BB%8D%EF%BC%89-%20DCloud%E5%AE%98%E6%96%B9%E8%A7%86%E9%A2%91%E6%95%99%E7%A8%8B@20200317.mp4"></video> -->
-
+<!-- <video id="video" onplay="videoPlay()" preload="none" controls="controls" width="100%" poster="https://img-cdn-qiniu.dcloud.net.cn/uniapp/doc/poster.png" src="https://vkceyugu.cdn.bspapp.com/VKCEYUGU-dc-site/78e4ebc0-54be-11eb-a16f-5b3e54966275.mp4"></video> -->
+
 <video id="video" onplay="videoPlay()" preload="none" controls="controls" width="100%" poster="https://vkceyugu.cdn.bspapp.com/VKCEYUGU-uni-app-doc/a876efc0-4f35-11eb-97b7-0dc4655d6e68.mp4"></video>
 
 ### 为什么要选择uni-app？