How to get the certificate of idle fish?

The authentication method of idle fish is as follows:

Mobile phone: iphone 12

System: ios 15.4

Software: Idle Fish 7.5.30

1. Open the free fish APP and click Settings in the upper right corner of the personal center.

2. Find the account and security in the list, and then click Open.

3. Find the real person authentication in the list and click on the right to authenticate.

4. In the page that opens, enter your name and ID number, and then click Submit.

5. Aim at the camera to complete face authentication.