string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%B6%E4%BD%9C%E7%BD%91%E9%A1%B5%E7%9A%84%E6%B5%81%E7%A8%8B%E5%9B%BE%E6%80%8E%E4%B9%88%E5%81%9A%E5%87%BA%E6%9D%A5 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
制作网页的流程图怎么做出来
