string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BA%BF%E4%B8%8A%E4%BF%83%E9%94%80%E6%B4%BB%E5%8A%A8%E6%B5%81%E7%A8%8B => Failed to connect to 101.91.112.32 port 38195: Connection refused"
线上促销活动流程
