jack@jack-laptop:~$ locale
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
LANG=en_US.UTF-8
LANGUAGE=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=en_US.UTF-8
之前安装ibus和fcitx输入法，还修改了.bashrc的一些环境变量，导致我的系统语言变成了en，不但ibus和fcitx都没有装成功，还出现上面的莫名其妙的错误，解决办法是在对照相应的错误导入正确的环境变量，如export LC_CTYPE=zh_CN.UTF-8,或者在.bashrc加入相应的行就可以了，这样我把相关的编码也都全部设置成了中文。这样设置后的环境变量变为了

jack@jack-laptop:~$ locale
LANG=zh_CN.UTF-8
LANGUAGE=zh_CN.UTF-8
LC_CTYPE="zh_CN.UTF-8"
LC_NUMERIC="zh_CN.UTF-8"
LC_TIME="zh_CN.UTF-8"
LC_COLLATE="zh_CN.UTF-8"
LC_MONETARY="zh_CN.UTF-8"
LC_MESSAGES="zh_CN.UTF-8"
LC_PAPER="zh_CN.UTF-8"
LC_NAME="zh_CN.UTF-8"
LC_ADDRESS="zh_CN.UTF-8"
LC_TELEPHONE="zh_CN.UTF-8"
LC_MEASUREMENT="zh_CN.UTF-8"
LC_IDENTIFICATION="zh_CN.UTF-8"
LC_ALL=zh_CN.UTF-8

输入法后来没辙了，装了一个SunPinyin，貌似是基于scim，还可以和scim兼容，暂时感觉还不错的样子，以前用的小企鹅和ibus在我的ubuntu 9.04上是没法用了。