The health code is unconstrained and can be re-applied. However, you must wait until the unbinding is successful before you can apply. After application, the original code or code will not change.
1. Click the know-it-all APP on your mobile phone to enter.
2. After the page jumps, enter the interface of Know-it-All APP and click Me in the lower right corner.
3. Enter your account and password in the login interface that appears, and then click Login.
4. After the page jumps, log in to the homepage of Know-it-All APP and click on the Ankang code above to enter.