first auto start ip
nmtui #use this command go to view
then
reboot
second ， you use ip a command check you address
ip a
you must insert router to connect network，then download rpm and install him
when you find this device ip address
then you install centos desktop
yum groupinstall "X Window System" -y && yum groupinstall "GNOME Desktop" -y
configure you desktop start device auto start
systemctl set-default graphical.target