The health code pop-up window 3 indicates that there may be a time-space relationship with the confirmed patient or close contact, which needs to be investigated. In this case, independent nucleic acid detection can no longer eliminate the pop-up window. Need to report to the community and fill in Jingxin's help. Then the community will conduct risk investigation, conduct nucleic acid testing according to the requirements of the community, and then the pop-up window can be eliminated.