string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%AC%E4%B8%9C%E5%95%86%E5%AE%B6%E6%80%8E%E4%B9%88%E7%BB%99%E5%AE%A2%E6%88%B7%E5%8F%91%E4%BC%98%E6%83%A0%E5%88%B8%E5%91%A2 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
京东商家怎么给客户发优惠券呢
