How many days does Beijing Health Treasure nucleic acid pop up?

Beijing Health Bao can stop hitting the window within three days after completing the nucleic acid test. If you don't do nucleic acid for three days in Beijing, it won't pop up, that is, if you don't have 48 hours to prove that you can't enter public places, it will bring a lot of trouble to your life. It is best to do nucleic acid once every two days. It is understood that those who have not done nucleic acid testing will pop up a window to remind them, which will affect their travel and bring inconvenience. Please go back to Beijing for nucleic acid testing in time.