string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E4%B8%8A%E4%BA%AC%E4%B8%9C%E7%BD%91%E8%B4%AD%E5%95%86%E5%93%81 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
怎样上京东网购商品
