diff --git a/lua/app/module/battle/controller/battle_controller.lua b/lua/app/module/battle/controller/battle_controller.lua
index 540d080c..befd2749 100644
--- a/lua/app/module/battle/controller/battle_controller.lua
+++ b/lua/app/module/battle/controller/battle_controller.lua
@@ -1058,7 +1058,7 @@ function BattleController:fillBoard(isRoundBeginCheck)
         end
     end
 
-    self.battleUI:fallGrid(pathMap, function()
+    self.battleUI:fallGrid(pathMap, isRoundBeginCheck, function()
         self:onFillBoardOver(isRoundBeginCheck)
         self.battleUI:enableUITouch()
     end)
diff --git a/lua/app/ui/battle/battle_ui.lua b/lua/app/ui/battle/battle_ui.lua
index 99a534ad..d28929cf 100644
--- a/lua/app/ui/battle/battle_ui.lua
+++ b/lua/app/ui/battle/battle_ui.lua
@@ -1120,8 +1120,12 @@ function BattleUI:removeGridOutOfScreen(posIdList)
     end
 end
 
-function BattleUI:fallGrid(listInfo, callback)
-    self:showMask(false)
+function BattleUI:fallGrid(listInfo, isRoundBeginCheck, callback)
+    if isRoundBeginCheck then
+        self:showMask(false)
+    else
+        self.boardMask:getTransform():SetAsLastSibling()
+    end
     self.fallAniCount = 0
     for posId, info in pairs(listInfo) do
         self.fallAniCount = self.fallAniCount + 1