Thanks verymuch to everyone Problem solved,The problem was cased by my adding some config information to /etc/X11/xorg.conf. But what puzzled me was "How can that cased a problem?Even I played a movie whithout a subtitle?".Now my mplayer works again but my default font become Ugly again as well. Is there any suggestion to config my fonts but not case a problem with my mplayer? Thank you Armnotstrong
