There are many reasons why the health treasure pop-up window scan code registration cannot be scanned. It may be caused by unclear QR code. You can try refreshing the page to solve it. It may be caused by a network anomaly. You can transfer to the mobile phone network to solve it. There may be something wrong with the software. You can try to restart the software solution.
You can also ask the parties to get nucleic acid test paper from the community after street verification and community telephone verification, and help the parties to report to the community with their mobile phones and enter it into the system to solve the problem of health code scanning.