string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BE%BD%E5%AE%81%E4%BA%8C%E5%BB%BA%E5%8E%86%E5%B9%B4%E7%9C%9F%E9%A2%98 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
辽宁二建历年真题
