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 ab46ab0f..190f7556 100644
--- a/lua/app/module/battle/controller/battle_controller_dungeon_rune.lua
+++ b/lua/app/module/battle/controller/battle_controller_dungeon_rune.lua
@@ -454,8 +454,9 @@ function BattleControllerDungeonRune:getRuneTaskNumByType(taskInfo)
     elseif taskType == GConst.DungeonRuneConst.TASK_TYPE.BREAK_GRID_TYPE then
         return self.totalBreakedGridType[taskParams1] or 0
     elseif taskType == GConst.DungeonRuneConst.TASK_TYPE.KILL_MONSTER then
-        return self.taskProgress[GConst.BattleConst.BATTLE_TASK_FIELD.KILL_NORMAL_MONSTER]
+        return self.taskProgress[GConst.BattleConst.BATTLE_TASK_FIELD.KILL_NORMAL_MONSTER] or 0
     end
+    return 0
 end
 
 function BattleControllerDungeonRune:getRuneTaskAllOver()