Platform system: The platform system is being upgraded, and you will not be able to log in at this time. Solution: Wait, log in later and refresh several times.

Account or password error: You need to re-enter the correct login password. If you can't remember, you can choose to forget and reset through authentication.

Network problem: the delay of the network will make the platform entrance unable to log in. You can try using WIFI or switching to a 5G network.