string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%80%A0%E4%BB%B7%E5%B7%A5%E7%A8%8B%E5%B8%88%E6%9D%8E%E6%AF%85%E4%BD%B3 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
造价工程师李毅佳
