diff --git a/src/actions/DinerAction.lua b/src/actions/DinerAction.lua
index 7ea7d4a..efb8083 100644
--- a/src/actions/DinerAction.lua
+++ b/src/actions/DinerAction.lua
@@ -81,18 +81,28 @@ function _M.levelUpRpc( agent, data )
 	local msg = MsgPack.unpack(data)
 
 	local index = msg.index
-	local buildingData = csvdb["diner_buildingCsv"][index]
-	if not buildingData then
+	local buildingSet = csvdb["diner_buildingCsv"][index]
+	if not buildingSet then
 		return
 	end
 
 	local buildL = role.dinerData:getProperty("buildL")
 	local curLevel = buildL:getv(index, 1)
-	if curLevel >= #buildingData then
+	if curLevel >= #buildingSet then
+		return
+	end
+	local buildingData = buildingSet[curLevel]
+	if not buildingData then
 		return
 	end
+	if buildingData.upLimit ~= "" then
+		local id, level = buildingData.upLimit:math("(%d+)=(%d+)")
+		if buildL:getv(tonumber(id), 1) < tonumber(level) then
+			return
+		end
+	end
 
-	local cost = buildingData[curLevel].starCost:toNumMap()
+	local cost = buildingData.starCost:toNumMap()
 	if not role:checkItemEnough(cost) then
 		return 
 	end
--
libgit2 0.21.2