diff --git a/src/actions/RoleAction.lua b/src/actions/RoleAction.lua
index 875bf4e..13c2896 100644
--- a/src/actions/RoleAction.lua
+++ b/src/actions/RoleAction.lua
@@ -528,14 +528,19 @@ function _M.saleItemRpc(agent, data)
 	local role = agent.role
 	local msg = MsgPack.unpack(data)
 	local backs = msg.backs
-	if not backs then return end
+	if not backs or not next(backs) then return 0 end
+
+	for itemId, count in pairs(backs) do
+		if math.illegalNum(count, 1, role:getItemCount(itemId)) then return 1 end
+		if globalCsv.unit_paster_ban[itemId] then return 2 end
+		local itemData = csvdb["itemCsv"][itemId]
+		if itemData.sell_effect == "" then return 3 end
+	end
 
 	local reward = {}
 	local fragCount = 0
 	for itemId, count in pairs(backs) do
-		if math.illegalNum(count, 1, role:getItemCount(itemId)) then return end
 		local itemData = csvdb["itemCsv"][itemId]
-		if itemData.sell_effect == "" then return end
 		if itemData.type == ItemType.HeroFragment or itemData.type == ItemType.HeroFCommon then
 			fragCount = fragCount + count
 		end
--
libgit2 0.21.2