2. Click on my health code to enter my health status interface, and then press and hold the avatar on the interface.
3. Hold it down for a few seconds, and a pop-up box will pop up whether to re-take the avatar photo.
4. Click OK to enter the face authentication interface. Click on the bottom of the interface to start face recognition authentication, and you can re-shoot the image editing function of WeChat. You can post an expression picture and choose a custom expression in cartoon style.