Hello this is BrownDust2
Firstly, we apologize for the inconvenience this has caused you.
We found the reason that caused users can't login to their game accounts, and we are fixing the problem now.
We will make a separate announcement once the issue is fixed.
As mentioned in the previous announcement, please do not log out of the game until the problem is solved.
We once again apologize for the inconvenience this has caused you.
Thank you