1 I hate scim so firstly I deleted it with yast.
2 download fcitx-3.3.1.tar.bz2 from http://fcitx.org
tar xjfv fcitx-3.3.1.tar.bz2
cd fcitx-3.3.1
./configure
make
make install
3 gedit ~/.bashrc
write the fllowing string in it
export XMODIFIERS="@im=fcitx"
export XIM=fcitx
export XIM_PROGRAM=fcitx
export QT_IM_MODULE='fcitx'
fcitx
4 run the command of source .bashrc
5 gedit ~/.fcitx/config
change 0 into 1 on the 22th line
change 0 into 1 on the 24th line
change 1 into 0 on the 32th line
change 1 into 0 on the 33th line
6 run the command of fcitx
