string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%AF%B7%E7%A4%BA%E4%B8%8E%E6%8A%A5%E5%91%8A%E6%9C%89%E4%BD%95%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.159.206 port 38187: Connection refused"
请示与报告有何区别
