program stardict don't sound

LaoLiulaoliu

I installed stardict in /usr/share/stardict and the read sound WyabdcRealPeopleTTS in /usr/share.It can be palyed by mplayer,but in the stardict there is no sound.In the directory /usr/share/stardict/sound,there are two .wav file which can also be read by mplayer,but can not make sound in the program--stardict.I want to ask how to deal with this problem.In the command line I type:esd,there is a beautiful sound.