Tik Tok's real-name authentication to retrieve the account shows that the access is too frequent.

Then I'll do it later. If I can't do it today, I'll do it tomorrow. This system has convulsions from time to time. That's it. Just like if you enter the verification code too many times, it won't work. Finally, the system will be too busy to operate. Then you can wait for a while for too many times to operate, and then it won't work. You can do it for an hour or two. If it doesn't work in an hour or two, wait until tomorrow.