Yin and Yang teacher changed his mobile phone number. How to log in to the original number?

1. First, use the account retrieval function in Yin and Yang Division. On the login page, click the account retrieval button.

2. Secondly, enter the registered mobile phone number and verification code as prompted.

3. Finally, the system will send a verification message to the mobile phone, which can be used to retrieve the account and log in.