What should I do if Deputy Xiaolan's mobile phone number cannot be changed?

The mobile phone number represented by Xiaolan can be changed. The operation step of changing the mobile phone number is to enter Xiaolan's mobile assistant applet.

1. Click on the cartoon avatar icon below.

2. Click on the profile icon below.

3. Click on my profile to modify it.

4. Click Modify Mobile Phone Number in the interface, fill in the original mobile phone number and new mobile phone number according to the steps, enter the verification code, and click Submit to modify.