Linyi reported how to modify the mobile phone number.

1. First, open the app on the phone desktop. After entering the app, click the login page and enter the account password to log in.

2. Secondly, after logging in successfully, click the Settings button. After entering the settings page, click the mobile phone number.

3. Then click Enter, click I want to change my mobile phone number, and enter my account password as prompted to verify my operation.

4. After the final verification is successful, enter a new mobile phone number, click Send Verification Code, enter the verification code after receiving the verification code, and click Finish to replace the mobile phone number.