按下电源按钮后桌面进入非常慢。如何解决？
ahmet@ahmet:~$ systemd-analyze
Startup finished in 7.374s (kernel) + 6.377s (userspace) = 13.751s
graphical.target reached after 5.575s in userspace
ahmet@ahmet:~$ systemd-analyze blame
2.181s dev-sda2.device
1.642s [email protected]
1.432s systemd-journal-flush.service
1.401s snapd.service
1.172s ModemManager.service
1.120s dev-loop0.device
1.094s dev-loop1.device
1.079s dev-loop2.device
1.048s udisks2.service
1.047s dev-loop3.device
936ms accounts-daemon.service
857ms grub-common.service
773ms mpd.service
739ms avahi-daemon.service
700ms networkd-dispatcher.service
682ms bluetooth.service
653ms thermald.service
649ms NetworkManager.service
444ms systemd-udevd.service
401ms wpa_supplicant.service
346ms systemd-logind.service
307ms rsyslog.service
267ms systemd-resolved.service
262ms gpu-manager.service
257ms colord.service
227ms upower.service
210ms systemd-fsck@dev-disk-by\x2duuid-B044\x2d884E.service
192ms apparmor.service
189ms polkit.service
175ms phpsessionclean.service
174ms apport.service
169ms systemd-timesyncd.service
167ms swapdosya.swap
167ms swapfile.swap
146ms keyboard-setup.service
127ms systemd-udev-trigger.service
120ms snap-ktube\x2dmedia\x2ddownloader-4.mount
117ms snap-gydl-2.mount
107ms systemd-sysctl.service
105ms systemd-journald.service
98ms systemd-rfkill.service
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