How to make an appointment for nucleic acid testing on WeChat and jump to health code? What happened?

The health code keeps jumping. First, because the mobile phone network is not good, the health code declaration needs the network. Bad network will lead to no results.

Second, too many people used it, and the circle didn't come out at the peak.

The third is the problem of mobile phone software. If it is too stuck or the software is not smooth, it will turn.