string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%87%AA%E5%B7%B1%E8%AF%AF%E7%82%B9%E4%BA%86%E6%B2%A1%E8%B5%B6%E4%B8%8A%E7%81%AB%E8%BD%A6%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 101.89.159.206 port 38187: Connection refused"
自己误点了没赶上火车怎么办
