1. Clear the cache, exit and log in again.

2. Busy server will also lead to this prompt. You can temporarily stop logging in and try again after changing for a while.

3. The server will be shut down for a short time, causing the system to remind the server that it is busy when users visit. If the network status is abnormal, there will be such a prompt. Switch between 4G network and wireless network.

4. The current mobile phone network is a 2G or 3G network, which will cause network signal deviation due to the environment of operators and users, so it is necessary to switch to a smoother 4G network or wireless network for operation.