hashao> You have to export XMODIFIERS=@im before you start crxvt on command hashao> line. In ~/.bash_profile export LC_ALL=zh_CN.GB2312 export LANG=zh_CN.GB2312 export XMODIFIERS=@im=Chinput then $ source .bash_profile in xterm $ crxvt-gb -im Chinput -pt Root& crxvt: Setting locale failed. <-- message in crxvt-gb Ctrl+space But nothing happens. Chinput is not activated I think. Thanks for your help. Wen