string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%90%E6%89%AC%E4%B8%80%E5%BB%BA%E8%AF%B4%E7%9A%84%E6%80%8E%E4%B9%88%E6%A0%B7%E4%BA%86 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
徐扬一建说的怎么样了
