We're glad to announce that Patch 6603 has been released on October 13th.
Note: You must be sure that the client is completely closed before patching, otherwise the patch may not be installed correctly and you won't be able to login the game.
Highlights of Patch 6603
Update Issue Fix
The problem that players could not update client properly is fixed. If your client can not do auto update, please try download 6602 and 6603 manually and install to fix the problem. Sorry for the inconvenience caused.