1, the local network is not working. If the website cannot be accessed, first check whether other websites can be accessed normally. If you cannot access it, please call the customer service hotline of your local network service provider.
2. Local firewall. Check whether the domain name of the website exists in the blacklist of the local firewall. If yes, please delete it.
3. Gateway setup problem, log in to the router, restore factory settings, and restart.