string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%A5%E5%91%8A%E4%B8%8E%E8%AF%B7%E7%A4%BA%E7%9A%84%E5%8C%BA%E5%88%AB%E6%9C%89%E5%93%AA3%E7%82%B9 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
报告与请示的区别有哪3点
