2. After opening the page, click Favorites.
3. After opening the page, click the plus sign in the upper right corner.
4. After opening the page, click Add Health Code Photo.
5. In the pop-up page, select the health code photo to be synthesized.
6. After selecting a photo, click the symbol in the upper right corner.
7. Select Save As Picture in the pop-up page, and the photo will be combined. Open the phone photo album and you can see the composite photos.