Tik Tok's real-name authentication cannot be changed at present. Once authenticated, it cannot be modified. Only Tik Tok's account can be cancelled and re-registered for real-name authentication. The specific operation steps are as follows:

Operating environment: Huawei nova8, operating system harmonyos? 2.0.0.230, Tik Tok version v22. 1.0, etc.

1. Open Tik Tok APP and find three horizontal lines in the upper right corner of my page.

2. Click the Settings option in the page.

3. Enter the settings page, and click the account and security options.

4. Enter the account and security page and click the Tik Tok Security Center option.

5. On the page of Tik Tok Security Center, click to cancel the account, then re-register and carry out real-name authentication.