How to inquire the reason of Kunming yellow code

Under normal circumstances, 1 will turn into a yellow code or even red team if it has been to an epidemic area, or has had contact with a confirmed patient or a suspected case. 2.2 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 view it again. 3.3 If the yellow code is caused by entering an epidemic area or contacting with a suspected case, it needs to be isolated according to regulations, and 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 turn into a green code when there is no abnormality in 14 days.