string(321) "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%E5%B8%82%E6%94%BF%E5%AE%9E%E5%8A%A1%E5%93%AA%E4%B8%AA%E8%80%81%E5%B8%88%E8%AE%B2%E7%9A%84%E6%AF%94%E8%BE%83%E5%A5%BD%E4%B8%80%E4%BA%9B => Failed to connect to 101.89.117.144 port 38005: Connection refused"
二建市政实务哪个老师讲的比较好一些
