Thank you for your answer , what I want to show is "1231456" or " abcd", and the other apps show well, the font is installed, but I cant find other reason -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/pango-bug-tp4668224p4668251.html Sent from the GStreamer-devel mailing list archive at Nabble.com.