string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9B%BC%E5%8D%A1%E9%BE%99%E7%8F%A0%E5%AE%9D%E6%98%AF%E4%B8%8A%E5%B8%82%E5%85%AC%E5%8F%B8%E5%90%97 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
曼卡龙珠宝是上市公司吗
