https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent/API/sku/get_stock.htmlhttps://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent/API/sku/up_sku_price.htmlhttps://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent/API/order/batchgetaftersaleorder.html
增量库存更新必须查草稿库存不好用。查询库存接口可以加个参数，让开发者查询线上还是草根库存
