Tools/materials: Iphone 12, IOS 15.6. 1, WeChat v8.5.30
1. Open the discovery function module and click the "applet" function option.
2. Click on the Healthy Travel applet.
3. Then click on the "nucleic acid detection agency" icon.
4. After opening the map of nucleic acid detection institutions, navigate to the nearest nucleic acid detection institution to complete the nucleic acid detection. After waiting for the updated results, the yellow code will revert to the green code.