下面是使用批处理更改dns的方法：

@echo off
netsh interface ip set dns name="vEthernet (Lan)" source=dhcp
ipconfig /flushdns
pause
exit
@echo off
netsh interface ip set dns name="vEthernet (Lan)" source=static addr=192.168.0.57 primary
ipconfig /flushdns
pause
exit