The health code pop-up window is probably affected by the WeChat cache and needs to be cleaned up.
Yellow code: quarantine will be carried out within 7 days, and the health punch for 7 consecutive days (no more than 7 days) will turn to green code normally.
Health codes are based on real data and can be generated by citizens or people who have returned to work through online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly.