string(310) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E6%94%B6%E9%9B%86%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%B9%B6%E8%BF%9B%E8%A1%8C%E5%A4%84%E7%90%86%E6%B5%81%E7%A8%8B%E5%9B%BE%E7%89%87 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
怎么收集大数据并进行处理流程图片
