SMS automatically turns green, but it doesn't.

The system monitoring time of health code also meets the specified time of turning green code.

The following conditions must be met when the health code is changed to green code: First, the family health monitoring has been completed 14 days (counting from the date of code change in Huang Zhi); Secondly, in the past seven days, the nucleic acid test was negative three times. The nucleic acid detection here can be carried out by any qualified institution, including collective nucleic acid detection of units and community organizations.

In general, if you have been to an epidemic area, or have had contact with a confirmed patient or a suspected case, it will turn into a yellow code, even red team. If the health code turns yellow for no reason, you can open the health code, find the "self-complaint" in the upper left corner, click the complaint, or you can uninstall the applet again and reinstall it. If it is a yellow code caused by entering an epidemic area or contacting with a suspected case, it needs to be isolated according to the regulations, the source and daily health status should be declared in a small program, and the relevant staff should be registered, so that the yellow code will automatically become a green code if there is no abnormality in 14 days.