视频录制结束之后没有把视频的blot文件抛出去，导致无法获取录制的视频

![Image](https://github.com/user-attachments/assets/f0d09504-5832-4e31-9284-d557c020f28b)

![Image](https://github.com/user-attachments/assets/39c83e65-9907-43ac-a7f7-4fef42f60907)

拿到blot文件之后就可以下载录制时的视频了

![Image](https://github.com/user-attachments/assets/d4a95d36-7329-4bdc-aa2e-ebf1879062b4)