"DejaVu Sans" = "Arial Unicode MS,DejaVu Sans"
"WenQuanYi Zen Hei" = "arial unicode ms,WenQuanYi Zen Hei"

# sans = "lucida sans unicode,microsoft sans serif,mingliu,simhei,gulimche,ms gothic,latha,mangal,code2000"
sans = "dejavu sans,arial,mingliu,simhei,gulimche,ms gothic,latha,mangal,code2000"
serif = "times new roman,angsana new,mingliu,simsun,gulimche,ms gothic,latha,mangal,code2000"
monospace = "courier new,courier monothai,mingliu,simsun,gulimche,ms gothic,latha,mangal,code2000"