string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BB%BA%E8%AE%BE%E6%B3%95%E8%A7%84%E8%AF%BE%E8%AE%BE%E6%80%BB%E7%BB%93%E6%B1%87%E6%8A%A5 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
建设法规课设总结汇报
