You have to run additional/changer.exe after running L2Walker. It works well.
10:40:52 ->Agahnim's Bot Collection Version 4
10:40:52 Link LoginServer Succeed. //without changer.exe
10:40:52 ->Login LoginServer Fail.
10:43:54 Link LoginServer Succeed. //with changer.exe
10:43:57 Login LoginServer Succeed.
10:43:57 服务器[01]当前在线率:6.85%,能否登陆:能
10:44:01 Link GameServer Succeed.
10:44:07 ->Enter Char[1].
10:44:10 Welcome to the World of Lineage II.
10:44:10 Seven Signs: The quest event period has begun. Speak with a Priest of Dawn or Dusk Priestess if you wish to participate in the event.
10:44:10 SYSTEM : Server Website is www.es-l2.com
10:44:10 SYSTEM : Run the Autoupdater before logging in
10:44:10 SYSTEM : to recive any new updates.
10:44:10 SYSTEM : Report any bugs on the forums in the
10:44:10 SYSTEM : problems section.
10:44:11 Use Common Craft[Lv:1].