1. Open Sichuan Tianfu Tong Health Code, click on the personal information avatar behind the name, and there are login settings at the bottom.
2, open the login settings, in the login settings, click logout, so you can log in again.
3. To log in again, you need to fill in your personal information, ID number and mobile phone number, and change your mobile phone number when filling in your mobile phone number.
4. Log in with the verification code.