string(276) "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%AD%A5%E9%AA%A4%E6%98%AF%E4%BB%80%E4%B9%88%E6%A0%B7%E7%9A%84 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
制作网页的步骤是什么样的
