string(302) "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%E6%A0%B9%E6%9C%AC%E5%8C%BA%E5%88%AB%E6%98%AF%E5%8D%95%E5%90%91%E6%80%A7%E5%90%97 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
报告与请示的根本区别是单向性吗
