refactor(item): 统一物品操作接口并优化金币处理逻辑

logic/controller/item_sale.go

@@ -6,6 +6,8 @@ import (
 	"blazing/logic/service/fight"
 	"blazing/logic/service/item"
 	"blazing/logic/service/player"
+
+	"github.com/gogf/gf/v2/util/gconv"
 )
 
 func (h Controller) ITEM_SALE(data *item.C2S_ITEM_SALE, c *player.Player) (result *fight.NullOutboundInfo, err errorcode.ErrorCode) {
@@ -17,6 +19,6 @@ func (h Controller) ITEM_SALE(data *item.C2S_ITEM_SALE, c *player.Player) (resul
 		c.Info.Coins += uint32(int64(data.Amount) * int64(xmlres.ItemsMAP[int(data.ItemId)].SellPrice))
 
 	}
-	c.Service.Item.SubItem(data.ItemId, data.Amount)
+	c.Service.Item.UPDATE(data.ItemId, -gconv.Int(data.Amount))
 	return result, 0
 }