string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E7%9F%BF%E4%B8%9A%E7%8E%8B%E5%BC%BA%E7%AE%80%E4%BB%8B => Failed to connect to 14.18.117.71 port 38164: Connection refused"
二建矿业王强简介
