string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E7%BA%A7%E8%80%83%E8%AF%952021%E8%80%83%E8%AF%95%E5%BB%B6%E6%9C%9F => Failed to connect to 14.18.117.71 port 38133: Connection refused"
中级考试2021考试延期
