How to change the health code if it is not my own?

Cancel the currently logged-in account, and you cannot log in with your mobile phone number and verification code. After logging in, click Health Code to get your own health code. The specific operation method is as follows:

Equipment: OPPO mobile phone a72；;

Operating system: Android version12.1;

Software: know-it-all app version APP2.2.6.

1. Click to open the know-it-all APP to enter.

2. After entering the software, click the Settings button in the upper right corner.

3. After the page jumps, click the exit login button at the bottom.

4. Enter your account and password in the page that appears, and then click the login button.

5. After logging in with your own account, click the health code.

6. After the page jumps, you can see that it has been changed to your own health code.