It's because WeChat is restricted from sharing links directly; You can save the video and then send it to your friends. The specific operation method is: Take the operation of Apple's mobile phone as an example:

1. First, open Tik Tok and click the share button on the right side of the video.

2. Then click Save to Album.

3. Then open the WeChat friends chat box and click the+sign in the lower right corner.

4. Then click on the photo.

5. Then check the video we want to share and click Send.

6. In this way, the vibrato video will be successfully shared with WeChat friends.