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%E5%90%84%E7%A7%91%E8%80%83%E8%AF%95%E6%97%B6%E9%95%BF => Failed to connect to 101.89.159.206 port 38087: Connection refused"
一造各科考试时长
