string(312) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B6%88%E9%98%B2%E5%B7%A5%E7%A8%8B%E5%B8%88%E6%8A%80%E6%9C%AF%E5%AE%9E%E5%8A%A1%E8%80%83%E8%AF%95%E7%BB%99%E5%A4%9A%E5%B0%91%E5%88%86%E9%92%9F => Failed to connect to 125.88.227.171 port 38062: Connection refused"
消防工程师技术实务考试给多少分钟
