Kunshan Smart Health WeChat cannot log in.

Kunshan Smart Health WeChat can't log in, which may be due to system or network problems. You can wait a while or change the mobile phone network. Or, because the health code is not scanned, please click Update Now on the QR code to update it. In addition, by default, the health code is valid for 7 days. When the health code expires, you must report the health status again to get it back.