string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9C%A8%E4%BA%AC%E4%B8%9C%E4%B8%8A%E5%A6%82%E4%BD%95%E5%8F%91%E5%B8%83%E6%8A%98%E6%89%A3%E6%B4%BB%E5%8A%A8%E5%91%A2 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
在京东上如何发布折扣活动呢
