库存管理
库存管理可以查询商品库存，进行上下架处理
上架的商品会在网吧超市里面展示/可购买
下架的商品不会在网吧超市里面展示/不可购买
上架
选择“上架”功能，相当于从库房搬运商品到吧台销售
注意填写和核对数量，否则库存会出错
下架：
相当于从吧台搬运商品到仓库，吧台商品减少，库房商品增多
注意填写和核对数量，否则库存会出错
上下架记录可查询/导出
库存盘点
库存盘点是一种定期检查库存的功能，建议每个月一次，能有效防止员工工作疏忽导致的库存出错
选择盘点对象：吧台，多个吧台的注意选择
数一数吧台剩余商品数量，是否与库存相符
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