string(238) "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%E8%80%83%E8%AF%95%E5%90%84%E7%A7%91%E6%97%B6%E9%97%B4 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
一造考试各科时间
