有可能是上传的方式不对的原因。
具体步骤如下：
①首先在手机桌面上找到并点击打开腾讯微云的应用程序。
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https://iknow-pic.cdn.bcebos.com/b03533fa828ba61e68821f204e34970a304e5955"/>
②在打开的微云的主界面，找到并点击选择界面下方的加号图标。
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https://iknow-pic.cdn.bcebos.com/a08b87d6277f9e2f2076c9071030e924b899f37a"/>
③在打开的选项框中，点击选择界面中的视频的选项。
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https://iknow-pic.cdn.bcebos.com/5fdf8db1cb134954a61e3f6b594e9258d1094ab9"/>
③在打开的选项中，点击选择打开的文件中的一个视频的选项，然后点击选择界面右下角的上传的选项。
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https://iknow-pic.cdn.bcebos.com/4e4a20a4462309f7dbde7a1d7d0e0cf3d7cad608"/>
④在打开的界面中，可以看到正在上传的视频，等待完成即可。
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https://iknow-pic.cdn.bcebos.com/738b4710b912c8fc1b4221c2f3039245d6882108"/>