xsim can't input

just a "jian" button on desktop, can drop here and there ,
but nothing when "Ctlr+Space".
I have change my ~/.xsim/xsimrc
XIM_LOCALE "zh_CN"
and I try
XIM_LOCALE "zh_CN.GB2312"

but I can't call out the xsim when ctl+space still.
the same to fcitx :(
----------------------------------------
Gdebian:~$locale
LANG=zh_CN.GB2312
LC_CTYPE="zh_CN.GB2312"
LC_NUMERIC="zh_CN.GB2312"
LC_TIME="zh_CN.GB2312"
LC_COLLATE="zh_CN.GB2312"
LC_MONETARY="zh_CN.GB2312"
LC_MESSAGES="zh_CN.GB2312"
LC_PAPER="zh_CN.GB2312"
LC_NAME="zh_CN.GB2312"
LC_ADDRESS="zh_CN.GB2312"
LC_TELEPHONE="zh_CN.GB2312"
LC_MEASUREMENT="zh_CN.GB2312"
LC_IDENTIFICATION="zh_CN.GB2312"
LC_ALL=zh_CN.GB2312
Gdebian:~$xsim &
[1] 2298
Gdebian:~$XSIM is started

Gdebian:~$echo $XMODIFIERS
@im=XSIM
Gdebian:~$
-------------------------------------------------

:(

Gdebian:~$cat /etc/apt/sources.list
# This file was automatically generated by APTuner.
# http://debian.ustc.edu.cn/aptuner/

# Base Debian distribution
deb http://debian.ustc.edu.cn/debian sid main non-free contrib

# Non-US software
deb http://debian.ustc.edu.cn/debian-non-US sid/non-US main non-free contrib

# Misc packages
deb http://debian.ustc.edu.cn/debian-uo/misc/i386 ./

# XFree86 4.3 packages
deb http://debian.ustc.edu.cn/debian-uo/xfree86-4.3/i386 ./

# End of automatically generated section.

# deb http://secu

已经足够了，改来改去迷迷糊糊就OK了。
多谢各位大侠的文章！

恭喜。问题解决了就好。