diff --git a/lua/app/ui/battle/battle_ui.lua b/lua/app/ui/battle/battle_ui.lua
index 9adeea41..1fe811ce 100644
--- a/lua/app/ui/battle/battle_ui.lua
+++ b/lua/app/ui/battle/battle_ui.lua
@@ -15,6 +15,10 @@ function BattleUI:getPrefabPath()
     return "assets/prefabs/ui/battle/battle_ui.prefab"
 end
 
+function BattleUI:onClose()
+	self:clear()
+end
+
 function BattleUI:onLoadRootComplete()
     self:_display()
     self:_addListeners()
@@ -264,4 +268,15 @@ function BattleUI:fallGrid(listInfo, callback)
     end
 end
 
+function BattleUI:clear()
+	if self.alreadyClear then
+		return
+	end
+	self.alreadyClear = true
+    if self.battleNode then
+        self.battleNode:removeAllChildren()
+    end
+end
+
+
 return BattleUI
\ No newline at end of file