in fact:
ln -s /<your starsuit's directory>/share/fonts/truetype /usr/X11R6/lib/X11/fonts/
then:
add "path /usr/lib/X11/fonts/truetype" to XF86Config-4
and add "dir /usr/lib/X11/fonts/truetype" to Xftconfig
All problems is ok! you can set fonts in kcontrol.
hahahahaha!!!!!