Tik Tok's name can be repeated, but Tik Tok can't. If you change Tik Tok, you will be reminded that this number already exists, so you cannot change it.

The name (nickname) of 20 17 watermelon video is very simple, and it doesn't matter if the name is repeated. But now, users and content creators are growing. In order to protect everyone's originality, watermelon video has refused to appear with duplicate names, that is to say, as long as the name has been used by others, it can no longer be used! This is the rule of the platform!