1. Enter the WeChat payment interface and click City Service. Choose Xuzhou.
2. Then click the epidemic prevention health code.
3. After entering the personal epidemic prevention information code, click to view the information details of Xuzhou Health Treasure.
4. In the drop-down page, click Modify Declaration Information.
5. Enter the Add Member Modify interface to modify the error message.
6. After that, check my form and click Submit.