Browser problem, IP problem. The safety education platform APP is a software focused on education. Try to use IE browser and turn off the function of preventing the window from popping up. Open a browser, click Tools on the toolbar above the browser, select Internet options, and then click Connection-LAN Settings. It is recommended to obtain the IP address automatically. To view the IP, click Start-Control Panel-Network and Sharing Center-Wireless Network Connection-Details-ipv4 Address, or click the wireless network connection icon in the lower right corner, select CMCC, right click, select Status and view the ipv4 address.