Bei Lizhu - How to use a computer to connect to the campus network?

It is possible that you have been infected by an arp

attack virus, which constantly imitates the web page you want to visit

And then your computer cannot accurately locate it. This kind of virus is more troublesome to the website you want to reach

360’s function of preventing arp attacks is pretty good

It works, you can try it. If

it is still the case

then you need to

check whether the interface of your network cable is in good contact,