diff --git a/src/actions/RoleAction.lua b/src/actions/RoleAction.lua
index be4466b..5748331 100644
--- a/src/actions/RoleAction.lua
+++ b/src/actions/RoleAction.lua
@@ -278,15 +278,20 @@ end
 function _M.saleItemRpc(agent, data)
 	local role = agent.role
 	local msg = MsgPack.unpack(data)
-	local itemId = msg.itemId
-	local count = msg.count
-	if math.illegalNum(count, 1, role:getItemCount(itemId)) then return end
-	local itemData = csvdb["itemCsv"][itemId]
-	if itemData.sell_effect == "" then return end
-	local sellEffect = itemData.sell_effect:toArray(true, "=")
-
-	role:costItems({[itemId] = count})
-	local reward = role:award({[sellEffect[1]] = sellEffect[2] * count})
+	local backs = msg.backs
+	if not backs then return end
+
+	local reward = {}
+	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
+		local sellEffect = itemData.sell_effect:toArray(true, "=")
+		reward[sellEffect[1]] = (reward[sellEffect[1]] or 0) + sellEffect[2] * count
+	end	
+	
+	role:costItems(backs)
+	local reward = role:award(reward)
 
 	SendPacket(actionCodes.Role_saleItemRpc, MsgPack.pack({reward = reward}))
 	return true
--
libgit2 0.21.2