我有一个多屏幕：
xrandr
Screen 0: minimum 8 x 8, current 3286 x 1080, maximum 16384 x 16384
eDP-1-1 connected primary 1366x768+1920+0 (normal left inverted right x axis y axis) 344mm x 194mm
1366x768 60.00*+
1360x768 59.80 59.96
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
960x600 60.00
960x540 59.99
800x600 60.00 60.32 56.25
840x525 60.01 59.88
800x512 60.17
700x525 59.98
640x512 60.02
720x450 59.89
640x480 60.00 59.94
680x384 59.80 59.96
576x432 60.06
512x384 60.00
400x300 60.32 56.34
320x240 60.05
HDMI-1-1 …