修改Ip:sudo nmcli connection modify net1-static ipv4.addresses 192.168.200.225/24

修改dns:sudo nmcli connection modify net1-static ipv4.dns 114.114.114.114

修改网关:sudo nmcli connection modify net1-static ipv4.gateway 192.168.200.1

IP生效：nmcli connection up net1-static  

net后面的数字代表第几个网口，从1开始。