string(357) "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%E8%A2%AB%E4%B9%B0%E5%AE%B6%E9%80%80%E8%B4%A7%E6%83%B3%E7%94%B3%E8%AF%B7%E5%AE%A2%E6%9C%8D%E4%BB%8B%E5%85%A5%E6%80%8E%E4%B9%88%E5%8A%9E%E5%91%A2 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
闲鱼卖东西被买家退货想申请客服介入怎么办呢
