输入gnome-terminal显示：
Error constructing proxy for org.gnome.Terminal:/org/gnome/Terminal/Factory0: Error calling StartServiceByName for org.gnome.Terminal: Timeout was reached
解决办法：
1，安装gnome-session
sudo apt-get install gnome-session
2，运行gnome-session
gnome-session
3，ctrl + alt +t快捷键或者右键open in terminal测试是否成功
