vi /etc/polkit-1/rules.d/50-default.rules
#结尾添加
polkit.addRule(function(action, subject) {
​ if (action.id.indexOf(“org.freedesktop.udisks") == 0) {
​ return polkit.Result.YES;
​ }
});

PS:
http://lgogua.blogspot.com/2014/11/how-to-mount-volume-errot-not.html