Device: /org/freedesktop/UPower/devices/DisplayDevice power supply: no updated: 2017年03月13日 星期一 13时19分40秒 (8373 seconds ago) has history: no has statistics: no unknown warning-level: none icon-name: '' Daemon: daemon-version: 0.99.2 on-battery: no lid-is-closed: no lid-is-present: no critical-action: PowerOff