diff --git a/lua/app/module/battle/controller/battle_controller_dungeon_rune.lua b/lua/app/module/battle/controller/battle_controller_dungeon_rune.lua
index cc6aa5a1..dc15d990 100644
--- a/lua/app/module/battle/controller/battle_controller_dungeon_rune.lua
+++ b/lua/app/module/battle/controller/battle_controller_dungeon_rune.lua
@@ -230,6 +230,36 @@ function BattleControllerDungeonRune:getInitBoard()
     return self.boradList, self.fixedRandomGrid, self.mysteryBoxIndexMap
 end
 
+function BattleControllerDungeonRune:getRandomGridInfo()
+    local list, fixedRandomGrid = self:getInitBoard()
+    local fixedRandomList = fixedRandomGrid[self.curBoardIndex]
+
+    local gridType = 0
+    local elementType
+    if fixedRandomList and fixedRandomList[1] then
+        elementType = table.remove(fixedRandomList, 1)
+    else
+        local map = self.battleData:getElementTypeMap()
+        self.getRandomGridInfoIndexs = table.clearOrCreate(self.getRandomGridInfoIndexs)
+        self.getRandomGridInfoTypeList = table.clearOrCreate(self.getRandomGridInfoTypeList)
+        for typeName, typeNum in pairs(BattleConst.ELEMENT_TYPE) do
+            if not self:getSealElementType()[typeNum] and self:getSkillEntityByElement(typeNum) then
+                local weight = 100
+                if self.elementWeightMap and self.elementWeightMap[typeNum] then
+                    weight = weight + self.elementWeightMap[typeNum]
+                end
+                table.insert(self.getRandomGridInfoIndexs, weight)
+                table.insert(self.getRandomGridInfoTypeList, typeNum)
+            end
+        end
+
+        local index = GFunc.getRandomIndex(self.getRandomGridInfoIndexs)
+        elementType = self.getRandomGridInfoTypeList[index]
+    end
+
+    return {gridType = gridType, elementType = elementType}
+end
+
 function BattleControllerDungeonRune:onLoadComplete(...)
     -- 处理技能
     local unlockAllSkill = function(side)