It takes 24 hours to cancel the account, which means that the account cancellation needs to be reviewed, and basically it takes 24 hours to cancel successfully. You can wait patiently. Check back in 24 hours. First, you need to cancel the real-name authentication, and then re-authenticate the users who need to register. Secondly, as long as the account is successfully cancelled, you can re-register with the original mobile phone number. Not if the cancellation fails.