Why is the health code on WeChat in Henan, Zhejiang not smart?

Generally speaking, the health code has a certain period of time, after which it cannot be used. You can use foreign local health regulations.

After modifying the WeChat real-name authentication information, re-enter the applet and follow the prompts.

The health declaration data of "Henan Health Code" is uploaded to the national database in real time. In order to meet the needs of the public, each person can make health declaration three times a day. If they make a mistake, they can make a health declaration again according to the facts to correct their condition. It is recommended that you fill in the information carefully when modifying to avoid making mistakes again.