string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E7%AB%99%E5%88%B6%E4%BD%9C%E6%AD%A5%E9%AA%A4%E6%B5%81%E7%A8%8B%E5%9B%BE%E6%80%8E%E4%B9%88%E7%94%BB%E5%87%BA%E6%9D%A5 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
网站制作步骤流程图怎么画出来
