(Connect the cat with the wired route, set it normally according to the instructions of the wired route, enter the Internet access account and password, and successfully access the Internet. Then, connect the network cable pulled by the wired router to the computer, click Preliminary - Office - enter ipconfig/all, and remember the ip address, mask, dns, etc. assigned by the wired router. Maybe by right-clicking the bottom right of the screen to find it in the network connection-status-support-details.)