diff --git a/src/actions/StoreAction.lua b/src/actions/StoreAction.lua
index 102ae73..8c91abc 100644
--- a/src/actions/StoreAction.lua
+++ b/src/actions/StoreAction.lua
@@ -290,8 +290,12 @@ function _M.shopBuyRpc(agent , data)
 		return 1 
 	end
 
-    if dataSet.disount == 0 then dataSet.disount = 10 end
-	local cost = {[dataSet.icon] = math.ceil(dataSet.cost * count * ((dataSet.disount or 10) / 10))}
+    local cost
+    if dataSet.disount == 0 then
+		cost = {[dataSet.icon] = math.ceil(dataSet.cost * count)}
+	else
+		cost = {[dataSet.icon] = math.ceil(dataSet.cost * count * ((dataSet.disount or 10) / 10))}
+	end
 
 
 	local desc = "unknowShop"
--
libgit2 0.21.2