Kvm bridge mode guest os can't get ip

still can’t get ip address.
I created kvm bridge mode on Rockylinux 9 like this
1.nmcli connection add con-name br0 type bridge autoconnect yes ipv4.method auto ifname br0
2.nmcli connection add con-name bridge0 autoconnect yes type ethernet slave-type bridge ifname enp1s0 master br0
3.nmcli connection down ‘有线连接 1’ && nmcli connection up br0
4.systemctl enable --now libvirtd.socket
5.virsh start winxp