string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8D%A1%E5%88%B0%E6%B5%81%E6%B5%AA%E7%8B%97%E5%A5%BD%E5%90%97 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
捡到流浪狗好吗
