CD 环境上看不到视频，本地可以看到视频

[cmycoups]

Describe the bug

47的 CD 环境点击摄像头以后看不到视频流

To Reproduce

Steps to reproduce the behavior:

1. 在设备管理网页上新建摄像头
2. 进入云控中心，点击摄像头名称
3. 弹窗中视频流为黑屏转圈

Expected behavior

视频流正常播放，路口中能准确识别出人/车

Screenshots

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Log Information

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Desktop (please complete the following information)

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Additional context

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