Edit* I installed Resetter software and follow this instruction, and finally boot up normal, warning remember to backup your data before perform resetting.
To reset you could first try with this command :
dconf reset -f /
To reset your system you can use Resetter.
CAUTION THIS WILL RESET YOUR UBUNTU SYSTEM COMPLETELY.
wget https://github.com/gaining/Resetter/releases/download/v2.2.0-stable/add-apt-key_1.0-0.5_all.deb wget https://github.com/gaining/Resetter/releases/download/v2.2.0-stable/resetter_2.2.0-stable_all.deb
Then do following commands in terminal :
sudo apt install gdebi sudo gdebi add-apt-key_1.0-0.5_all.deb sudo gdebi resetter_2.2.0-stable_all.deb