string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%97%B2%E9%B1%BC%E5%8D%96%E4%B8%9C%E8%A5%BF%E6%98%AF%E8%B4%A7%E5%88%B0%E4%BB%98%E6%AC%BE%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
闲鱼卖东西是货到付款吗
