somebody help!!!~~~

docterling

1:first,I rpm -e minichinput
       2: I installed fcitx, but it didn't work,so I rpm -e fcitx
       3:I installed minichinput  successfully,chinput has launched in terminal,
         but when i press "Ctrl"+"Space",there is no response.
Why????????????????????????
I have worked it for over 4 hours,so tired now,I'am hunger for your help.