I am a member, why can't I log in?

1. Confirm the time when the problem occurred.

1. 1 In an emergency, you can first test whether the same situation has happened to yourself and the people next to you. (if conditions permit)

1.2 Suggest restarting Thunder, try it.

1.3 It is recommended to close the software killer, firewall, 360 and other traffic monitoring software.

1.4 The network cable is unplugged or the router is not connected. Please reconnect to the network and try again later. (I can't log in suddenly, but I can't for a long time. This situation is generally a temporary network anomaly. It is recommended to restart the network and try again later. )

2. Delete the ver 1 file or try to reinstall it.