Install Termux
Just install from any Android store
Install proot-distro
pkg install proot-distro
Install ArchLinux
proot-distro install archlinux
Run the install script
if [ -f /usr/bin/curl ];then curl -sSO https://download.bt.cn/install/install_panel.sh;else wget -O install_panel.sh https://download.bt.cn/install/install_panel.sh;fi;bash install_panel.sh
Change the ownership of directory
chown -R 777 /www
Reload the panel
bt 4