Linyi health code is invalid.

I guess you want to ask what to do if Linyi health code fails? Update now.

1. If a health code indicates that it is invalid, click OK.

2. Click on WeChat to enter the interface, and then click on City Service.

3. Then click the health code.

4. Enter the health code interface, and the page pops up expired. Click Update Now.

5. Check the health information, then check that I have read it, and finally click Submit.

6. The page pops up and the submission is successful. Click Generate Health Code Now.

7. After the page jumps, the latest health code can be generated.