Failed to load resource: net::ERR NAME NOT RESOLVED

谷歌浏览器显示Failed to load resource: net::ERR NAME NOT RESOLVED，然后考试系统点不进去考试界面。

网络问题ping一下地址看能不能通，清下缓存重新刷新试试

https://jingyan.baidu.com/article/4ae03de3b7ae243eff9e6b0c.html