string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E9%80%A0%E6%AF%8F%E7%A7%91%E8%80%83%E8%AF%95%E6%97%B6%E9%97%B4 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
一造每科考试时间
