diff --git a/lua/app/module/item/item_const.lua b/lua/app/module/item/item_const.lua
index ee03b321..83a76b94 100644
--- a/lua/app/module/item/item_const.lua
+++ b/lua/app/module/item/item_const.lua
@@ -5,6 +5,9 @@ ItemConst.ITEM_ID_GEM = 2
 ItemConst.ITEM_ID_VIT = 3
 ItemConst.ITEM_ID_BOUNTY_EXP = 7
 ItemConst.ITEM_ID_EXP = 12
+ItemConst.ITEM_ID_BOX_KEY_LV_1 = 13
+ItemConst.ITEM_ID_BOX_KEY_LV_2 = 14
+ItemConst.ITEM_ID_BOX_KEY_LV_3 = 15
 ItemConst.ITEM_ID_RANDOM_FRAGMENT = 19
 
 ItemConst.ITEM_TYPE = {
diff --git a/lua/app/ui/shop/cell/box_sell_cell.lua b/lua/app/ui/shop/cell/box_sell_cell.lua
index 60064328..d3d4de60 100644
--- a/lua/app/ui/shop/cell/box_sell_cell.lua
+++ b/lua/app/ui/shop/cell/box_sell_cell.lua
@@ -89,7 +89,9 @@ function BoxSellCell:refreshCost()
 
 	if GFunc.checkCost(costItem1.id, costItem1.num, false) then
 		self.boxBuyBtnCoin1:setSprite(GFunc.getIconRes(costItem1.id))
-		self.boxBuyBtnTx1:setText(costItem1.num)
+		local totalCount = DataManager.BagData.ItemData:getItemNumById(GConst.ItemConst.ITEM_ID_BOX_KEY_LV_1)
+		local totalCountStr = totalCount <= 99 and tostring(totalCount) or "99"
+		self.boxBuyBtnTx1:setText(tostring(costItem1.num) .. "/" .. totalCountStr)
 	else
 		self.boxBuyBtnCoin1:setSprite(GFunc.getIconRes(cost1.id))
 		self.boxBuyBtnTx1:setText(cost1.num)
@@ -98,7 +100,9 @@ function BoxSellCell:refreshCost()
 
 	if GFunc.checkCost(costItem2.id, costItem2.num, false) then
 		self.boxBuyBtnCoin2:setSprite(GFunc.getIconRes(costItem2.id))
-		self.boxBuyBtnTx2:setText(costItem2.num)
+		local totalCount = DataManager.BagData.ItemData:getItemNumById(GConst.ItemConst.ITEM_ID_BOX_KEY_LV_2)
+		local totalCountStr = totalCount <= 99 and tostring(totalCount) or "99"
+		self.boxBuyBtnTx2:setText(tostring(costItem2.num) .. "/" .. totalCountStr)
 	else
 		self.boxBuyBtnCoin2:setSprite(GFunc.getIconRes(cost2.id))
 		self.boxBuyBtnTx2:setText(cost2.num)
@@ -107,7 +111,9 @@ function BoxSellCell:refreshCost()
 
 	if GFunc.checkCost(costItem3.id, costItem3.num, false) then
 		self.boxBuyBtnCoin3:setSprite(GFunc.getIconRes(costItem3.id))
-		self.boxBuyBtnTx3:setText(costItem3.num)
+		local totalCount = DataManager.BagData.ItemData:getItemNumById(GConst.ItemConst.ITEM_ID_BOX_KEY_LV_3)
+		local totalCountStr = totalCount <= 99 and tostring(totalCount) or "99"
+		self.boxBuyBtnTx3:setText(tostring(costItem3.num) .. "/" .. totalCountStr)
 	else
 		self.boxBuyBtnCoin3:setSprite(GFunc.getIconRes(cost3.id))
 		self.boxBuyBtnTx3:setText(cost3.num)