Return of Reckoning

First, I am a Korean...Do not speak English well.
I'm turning to Google Translate.
There is a problem to login.
Our username and password are correct.
But launcher'm different from ( invalid username/password )
I 've continued to check my information is correct.
This home also has a login!
help me Please...

it is offline, just wait for them to get it back online

Oh ... Thank you.
I have my ID oh the wrong line

You will always find info about the server status on this thread: viewtopic.php?f=8&t=2793