Hebei people show how to change Handan Puyang on the travel itinerary code of Henan WeChat payment.

1. Open other services. After opening the health code on WeChat, click Other Services in the bottom menu bar.

2. Open the location code. Find and open the area code in the menu of other services.

3. Delete the location code. In the Location Coding interface, click Delete Location Coding with incorrect information.

4. Click Add Location Code. After deleting the location code with incorrect information, return to the new interface and click Add Location Code.

5. Modify the information to create a new location code. After entering the correct area code information in the Add Area Code interface, click Submit New Area Code to modify the area code information. Because the location code cannot be modified after it is generated, the information can only be modified by deleting the old location code and re-establishing the location code.