The grub theme is about Hare which from the game Blue Archive.
这是一个小钩晴主题，来自游戏《蔚蓝档案》

安装方式(Installation)
- 1.将主题文件解压至“/boot/grub/themes/Hare”(注意:主题文件夹的名字不一定为"Hare",您不一定需要解压至“/boot/grub/themes”,如果这样请自行修改接下来的操作！)
- 1.Extract the theme file to "/boot/grub/themes/Hare" (Note: the name of the theme folder does not have to be "Hare", you do not necessarily need to extract it to "/boot/grub/themes", if so, please modify the next operation by yourself!) )

- 2.在“/etc/default/grub”中添加"GRUB_THEME="/boot/grub/themes/Hare/theme.txt"
- 2.Add "GRUB_THEME="/boot/grub/themes/Hare/theme.txt" to /etc/default/grub".

sudo nano /etc/default/grub #使用nanp编辑grub文件。如果没有nano用别的也行
GRUB_THEME="/boot/grub/themes/Hare/theme.txt" #添加以下内容

- 3.更新grub设置
- 3.Update the GRUB settings
sudo update-grub #Debian/Ubuntu
sudo grub-mkconfig -o /boot/grub/grub.cfg #Arch