diff --git a/src/actions/AdvAction.lua b/src/actions/AdvAction.lua
index a2aea2a..4cc4423 100644
--- a/src/actions/AdvAction.lua
+++ b/src/actions/AdvAction.lua
@@ -636,10 +636,10 @@ function _M.wheelSurfRpc(agent, data)
 	local drawData = drawTypeData[role:getAdvWheelSurfLv(ptype)]
 	if not drawData then return 4 end
 
-	local costs = drawData.cost:toNumMap()
-	for id, count_ in pairs(costs) do
-		costs[id] = count_ * count
-	end
+	local cost = drawData.cost:toArray(true, "=")
+	local costs = {[ItemId.OldCoin] = cost[ctype]}
+	if not next(costs) then return 6 end
+
 
 	if not role:checkItemEnough(costs) then return 5 end
 	role:costItems(costs, {log = {desc = "advWheelSurf", int1 = ptype}})
@@ -648,10 +648,10 @@ function _M.wheelSurfRpc(agent, data)
 	advDrawB[ptype] = (advDrawB[ptype] or 0) + count
 	role:updateProperty({field = "advDrawB", value = advDrawB})
 	-- 随机池子
-	local pool = drawData.weight:randWeight()
 	local reward = {}
 	local backReward = {}
 	for i = 1, count do
+		local pool = drawData.weight:randWeight()
 		local gift = drawData["pool" .. pool]:randWeight(true)
 		reward[gift[1]] = (reward[gift[1]] or 0) + gift[2]
 		table.insert(backReward, gift)
--
libgit2 0.21.2