修改IP，掩码，网关命令： netsh interface ip set address "本地连接" static 192.168.3.188 255.255.255.0 192.168.1.1 1

修改dns命令：netsh interface ip set dns "本地连接" source=static addr=172.16.20.10

修改ip和dns为自动获取

netsh interface ip set address name="本地连接" source=dhcp

netsh interface ip set dns name="本地连接" source=dhcp