Get an electronic health card and keep going.

The health code has been circled, indicating that it cannot be loaded. It's usually a network problem.

You can switch to mobile traffic and reload. It may be that your mobile phone software has a small memory, which causes the phone to get stuck. Then, there are many people around who use health codes at the same time, and the system is at its peak and loading is very slow.

Now the network signal base station is well built, and basically there will be no network problems. Sometimes the reason is that the mobile phone has been used for a long time, and there will be a stuck phenomenon. At this time, just wait patiently.