string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BE%BF%E5%88%A9%E5%BA%97%E8%B4%A7%E5%93%81%E7%AE%A1%E7%90%86%E6%B5%81%E7%A8%8B%E5%8F%8A%E8%A6%81%E6%B1%82%E6%A0%87%E5%87%86 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
便利店货品管理流程及要求标准
