string(301) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%86%E5%B7%A5%E7%A8%8B%E5%B8%88%E4%B8%89%E6%8E%A7%E9%A2%98%E5%9E%8B%E5%88%86%E5%B8%83%E5%8D%95%E9%80%89%E5%A4%9A%E9%80%89 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
监理工程师三控题型分布单选多选
