feat: 修改video示例播放源

pages/component/video/video.uvue

@@ -141,7 +141,7 @@
       return {
         videoContext: null as VideoContext | null,
         // 属性
-        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@20181126-lite.m4v",
+        src: "https://qiniu-web-assets.dcloud.net.cn/video/sample/2minute-demo.mp4",
         _src: "https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/uni-app-video-courses.mp4",
         autoplay: false,
         loop: false,