diff --git a/src/models/Diner.lua b/src/models/Diner.lua
index 9e744e5..1c5f29c 100644
--- a/src/models/Diner.lua
+++ b/src/models/Diner.lua
@@ -201,7 +201,7 @@ function Diner:calSellReward(sell, delta, dishData)
 			upValue[ItemId.Gold] = (upValue[ItemId.Gold] or 0) + buildData.gold_up
 		end
 		if buildData.item_up > 0 then
-			upValue[ItemId.DinerCoin] = (upValue[ItemId.DinerCoin] or 0) + buildData.gold_up
+			upValue[ItemId.DinerCoin] = (upValue[ItemId.DinerCoin] or 0) + buildData.item_up 
 		end
 		if buildData and buildData.famous_up > 0 then
 			upValue[-1] = (upValue[-1] or 0) + buildData.famous_up
--
libgit2 0.21.2