string(267) "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%80%8E%E4%B9%88%E5%86%99 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
建设法规课设总结怎么写
