2018-03-07T23:41:30ZFluxBBhttps://bbs.archlinux.org/viewtopic.php?id=235098found the reason: installed the xfdesktop-gtk3 from the other repo. reinstall xfdesktop from offical repo solved the problem. thanks @archimboldo and @wincc]]>https://bbs.archlinux.org/profile.php?id=1148482018-03-07T23:41:30Zhttps://bbs.archlinux.org/viewtopic.php?pid=1772629#p1772629https://slackalaxy.com/2012/08/15/xfce- … ackground/]]>https://bbs.archlinux.org/profile.php?id=1008542018-03-07T18:30:23Zhttps://bbs.archlinux.org/viewtopic.php?pid=1772574#p1772574It's gtkrc-2.0 in your home folder. Do your homework.]]>https://bbs.archlinux.org/profile.php?id=989372018-03-06T13:58:35Zhttps://bbs.archlinux.org/viewtopic.php?pid=1772278#p1772278I follow the wiki to create a .gtk-2.0 file in home directory, but has no effect. Any suggestion please...]]>https://bbs.archlinux.org/profile.php?id=1148482018-03-06T06:14:41Zhttps://bbs.archlinux.org/viewtopic.php?pid=1772231#p1772231