How to change the avatar photo with the application code?

The application code has many functions, for example, the green code can be used as a pass certificate, and other relevant certification materials are not required to facilitate epidemic management and public travel. How to change the avatar photo with the application code?

How to change the avatar photo with the application code? The head photo with the application code attached cannot be replaced. The avatar displayed with the health code application is a photo extracted from face verification when the health code is collected with the application for the first time, which is irreplaceable. The way to open the application code is as follows:

2. Open the application app and click the application code on the home page.

2. After entering, you can view the application code.

This paper takes iphone 13 as an example, which is suitable for ios 15 system to bid for Citizen Cloud version 7.2.8.