IOS录制视频上传阿里云，微信开发者工具播放黑屏，苹果手机加载也很慢，阿里云截取第一帧也拿不到？

阿里云第一帧图：

<img src="https://sq-saas.oss-cn-qingdao.aliyuncs.com/card_program/1577935025254.mp4?x-oss-process=video/snapshot,t_2000,m_fast" alt="" mode="aspectFill" lazy-load="true">
//视频播放
<video class="video" src="https://sq-saas.oss-cn-qingdao.aliyuncs.com/card_program/1577935025254.mp4" initial-time='0.01' controls="true"></video>

https://sq-saas.oss-cn-qingdao.aliyuncs.com/card\_program/1577935025254.mp4