how can I turn back to chinese

dumb

In order to compile my kernel , I installed my system with English enviroment.. I do install the chinese fonts,while my kde language is English yet.
Now I want my chinese back.
What can I do ??

following is my " locale" output:

[root@localhost root]# locale
LANG=en_US.UTF-8
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=

atfa

export LANG=zh_CN.GBK
export LC_ALL=zh_CN.GBK
export LC_TYPE=zh_CN.GBK

dumb

thanks.
But I can't still make the chinput go properly!
thank you very much !

[root@localhost root]# locale
LANG=zh_CN.GBK
LC_CTYPE="zh_CN.GBK"
LC_NUMERIC="zh_CN.GBK"
LC_TIME="zh_CN.GBK"
LC_COLLATE="zh_CN.GBK"
LC_MONETARY="zh_CN.GBK"
LC_MESSAGES="zh_CN.GBK"
LC_PAPER="zh_CN.GBK"
LC_NAME="zh_CN.GBK"
LC_ADDRESS="zh_CN.GBK"
LC_TELEPHONE="zh_CN.GBK"
LC_MEASUREMENT="zh_CN.GBK"
LC_IDENTIFICATION="zh_CN.GBK"
LC_ALL=zh_CN.GBK
[root@localhost root]#
[root@localhost root]# chinput
miniChinput Version 0.1.9 -- XIM Server
Distributed under the terms of the GNU General Public License (GPL)
Basic: Cannot open font -misc-zysong18030-medium-r-normal--16-0-0-0-c-0-gbk-0

muziling

系统设置里有个语言选项，我起初也是用英文有，后来就是这样改回来的