当 dconf 配置文件要求我关闭系统时，系统不会自动休眠或挂起。我尝试了一些解决方法，最终找到了一个曾经可以工作的脚本，但是，在全新安装 Ubuntu 时，该脚本只会关闭整个系统（电池电量不足时不会休眠- Goghard 的回答）。我也尝试过自己修改 grub 文件，但很遗憾没有成功。
我的最终范围是在由 % 电池电量定义的关键水平上暂停系统。
我还附加了系统的分区，最近我添加了另一个交换分区来尝试解决问题。
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 256,2G 0 disk
─sda1 8:1 0 476M 0 part /boot
─sda2 8:2 0 55,9G 0 part /
─sda3 8:3 0 3,7G 0 part [SWAP]
─sda4 8:4 0 95M 0 part /boot/efi
─sda5 8:5 0 186,3G 0 part /home
─sda6 8:6 0 9,8G 0 part [SWAP]
sr0 11:0 1 1024M 0 rom
grub 文件报告以下内容：
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT=0
GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="resume=/dev/sda6"
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"`