Some videos are invalid

Some video links provided in pugcq_mos.xls are invalid, as shown below. Thank you very much if you can provide a cloud server to download these videos.

<img width="454" alt="pugcq_issue" src="https://user-images.githubusercontent.com/24769820/150902393-cb2b87db-f6c0-4d16-90ef-b9a8b2053e6a.png">