string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%96%E6%B2%B9%E7%BF%81%E7%9A%84%E6%8A%80%E6%9C%AF%E6%80%8E%E4%B9%88%E6%A0%B7%E5%95%8A => Failed to connect to 101.89.159.206 port 38100: Connection refused"
卖油翁的技术怎么样啊
