diff --git a/src/actions/StoreAction.lua b/src/actions/StoreAction.lua
index 919d998..da3b4e0 100644
--- a/src/actions/StoreAction.lua
+++ b/src/actions/StoreAction.lua
@@ -365,7 +365,7 @@ function _M.shopBuyRpc(agent , data)
 	local id = msg.id
 	local count = msg.count or 1
 
-    local dataSet = csvdb["shop_normalCsv"][id]
+	local dataSet = csvdb["shop_normalCsv"][id]
 	if not dataSet then return end
 
 	if dataSet.unlock ~= "" then
@@ -382,20 +382,13 @@ function _M.shopBuyRpc(agent , data)
 		if not role.activity:isOpenById(dataSet.activity_id, "ActShopGoods") then return 3 end
 	end
 
-	local buyRecord = role.storeData:getProperty("buyR")
-	if math.illegalNum(count, 1, (dataSet.limit == 0 and 10000 or dataSet.limit - (buyRecord[id] or 0))) then 
-		skynet.error(string.format("shop buy over limit, user_id:%d, goods_id:%d", role:getProperty("id"), id))
-		return 6
-	end
-
-    local cost
-    if dataSet.disount == 0 then
+	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"
 	if dataSet.shop == 1 then		-- 普通商店
 		desc = "dailyShop"
@@ -406,14 +399,20 @@ function _M.shopBuyRpc(agent , data)
 	end
 
 	if not role:checkItemEnough(cost) then return 4 end
+	if not role:costItems(cost, {log = {desc = desc, int1 = id, int2 = count, long1= dataSet.shop}}) then return 5 end
 
-    local limitStr = ""
+	local buyRecord = role.storeData:getProperty("buyR")
+	if math.illegalNum(count, 1, (dataSet.limit == 0 and 10000 or dataSet.limit - (buyRecord[id] or 0))) then
+		skynet.error(string.format("shop buy over limit, user_id:%d, goods_id:%d", role:getProperty("id"), id))
+		return 6
+	end
+
+	local limitStr = ""
 	if dataSet.limit ~= 0 then
 		buyRecord[id] = (buyRecord[id] or 0) + count
 		role.storeData:updateProperty({field = "buyR", value = buyRecord})
-        limitStr = string.format("%s/%s", buyRecord[id], dataSet.limit)
+		limitStr = string.format("%s/%s", buyRecord[id], dataSet.limit)
 	end
-	if not role:costItems(cost, {log = {desc = desc, int1 = id, int2 = count, long1= dataSet.shop}}) then return 5 end
 
 	local gift = {}
 	for _id, _count in pairs(dataSet.gift:toNumMap()) do
--
libgit2 0.21.2