1, which may be related to the confirmed or suspected cases in the same space;
2. It may be related to coming from key epidemic areas;
3. It may be related to physical discomfort when filling out the application form or punching in the health card;
4. It may be a system failure. Try refreshing.
The "health code" is preceded by a green code, which will suddenly turn yellow or red. Reason: The green code obtained after submission is only the initial state of system judgment, and then the system will update it irregularly, and the code color may change in the future. Please refer to the current code status.
Health codes are mainly based on real data. We can apply through Alipay or WeChat, and generate our own QR code after background review. After the QR code is generated, we will judge our health status according to big data such as our activity trajectory, activity location, public transport we have taken and consumption records.