diff --git a/unity/Assets/UI/GameHUD.cs b/unity/Assets/UI/GameHUD.cs
index 68adf53..1416955 100644
--- a/unity/Assets/UI/GameHUD.cs
+++ b/unity/Assets/UI/GameHUD.cs
@@ -41,6 +41,8 @@ namespace GameFramework
         private EchoSystem _echoSystem;
         private PlayerController _playerController;
         private int _maxHealth = 5;
+        private bool _subscribedScoreEvent = false;
+        private int _lastSoulCount = -1;
 
         void Start()
         {
@@ -64,6 +66,7 @@ namespace GameFramework
             if (ScoreManager.Instance != null)
             {
                 ScoreManager.onScoreChanged += UpdateSoulCount;
+                _subscribedScoreEvent = true;
                 UpdateSoulCount(ScoreManager.Instance.CurrentScore);
             }
 
@@ -79,7 +82,11 @@ namespace GameFramework
 
         void OnDestroy()
         {
-            ScoreManager.onScoreChanged -= UpdateSoulCount;
+            if (_subscribedScoreEvent)
+            {
+                ScoreManager.onScoreChanged -= UpdateSoulCount;
+                _subscribedScoreEvent = false;
+            }
         }
 
         void Update()
@@ -96,7 +103,11 @@ namespace GameFramework
             if (soulCountText != null)
             {
                 soulCountText.text = count.ToString();
-                Debug.Log($"[GameHUD] UpdateSoulCount: {count}");
+                if (count != _lastSoulCount)
+                {
+                    Debug.Log($"[GameHUD] UpdateSoulCount: {count}");
+                    _lastSoulCount = count;
+                }
             }
             else
             {
diff --git a/unity/Assets/UI/GameManager.cs b/unity/Assets/UI/GameManager.cs
index de39a66..fce6220 100644
--- a/unity/Assets/UI/GameManager.cs
+++ b/unity/Assets/UI/GameManager.cs
@@ -21,8 +21,8 @@ namespace GameFramework
 
         public static GameState GameState
         {
-            get => Instance.gameState;
-            set => Instance.gameState = value;
+            get => Instance != null ? Instance.gameState : GameState.Playing;
+            set { if (Instance != null) Instance.gameState = value; }
         }
 
         [SerializeField] private GameState gameState = GameState.Playing;
@@ -68,6 +68,9 @@ namespace GameFramework
         /// </summary>
         private IEnumerator DeathTransition()
         {
+            // 确保从暂停状态恢复（玩家可能在暂停时死亡）
+            Time.timeScale = 1f;
+
             // 等待一帧，让 HUD 先更新血量显示
             yield return null;
 
diff --git a/unity/Assets/UI/MainMenuUIController.cs b/unity/Assets/UI/MainMenuUIController.cs
index 2365c4b..2bce3d2 100644
--- a/unity/Assets/UI/MainMenuUIController.cs
+++ b/unity/Assets/UI/MainMenuUIController.cs
@@ -95,5 +95,15 @@ namespace GameFramework
             Application.Quit();
 #endif
         }
+
+        void OnDestroy()
+        {
+            if (startButton != null) startButton.onClick.RemoveAllListeners();
+            if (storyReplayButton != null) storyReplayButton.onClick.RemoveAllListeners();
+            if (creditsButton != null) creditsButton.onClick.RemoveAllListeners();
+            if (quitButton != null) quitButton.onClick.RemoveAllListeners();
+            if (settingsBackButton != null) settingsBackButton.onClick.RemoveAllListeners();
+            if (creditsCloseButton != null) creditsCloseButton.onClick.RemoveAllListeners();
+        }
     }
 }
diff --git a/unity/Assets/UI/SceneLoader.cs b/unity/Assets/UI/SceneLoader.cs
index b99594e..4445861 100644
--- a/unity/Assets/UI/SceneLoader.cs
+++ b/unity/Assets/UI/SceneLoader.cs
@@ -27,7 +27,23 @@ namespace GameFramework
         private Color color;
         private bool isLoading = false;
 
-        public void LoadGameplayScene() => Load(gameplayScene);
+        public void LoadGameplayScene()
+        {
+            // 重置 GameManager 状态
+            if (GameManager.Instance != null)
+            {
+                GameManager.GameState = GameState.Playing;
+                GameManager.onGameOver = null;
+                GameManager.onGameWin = null;
+            }
+            // 重置 ScoreManager
+            if (ScoreManager.Instance != null)
+                ScoreManager.Instance.ResetScore();
+            // 清理静态事件残留订阅
+            IndianOceanAssets.Engine2_5D.HealthSystem.onPlayerDamaged = null;
+
+            Load(gameplayScene);
+        }
         public void LoadMainMenuScene() => Load(mainMenuScene);
         public void LoadScoringScene() => Load(scoringScene);
         public void Load(string sceneName)
diff --git a/unity/Assets/eco/Prefabs/SpiritLantern.prefab b/unity/Assets/eco/Prefabs/SpiritLantern.prefab
index a3afcff..b981830 100644
--- a/unity/Assets/eco/Prefabs/SpiritLantern.prefab
+++ b/unity/Assets/eco/Prefabs/SpiritLantern.prefab
@@ -125,7 +125,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   lifetime: 10
-  damageOnContact: 1
+  damageOnContact: 3
   fadeOutDuration: 2
   soulDropPrefab: {fileID: 1000000000000001, guid: 5d3fc7696ceb3a24d9234355fee1c344, type: 3}
 --- !u!135 &8338025974414621740
diff --git a/unity/Assets/eco/SpiritLantern.cs b/unity/Assets/eco/SpiritLantern.cs
index c3df13d..1318f48 100644
--- a/unity/Assets/eco/SpiritLantern.cs
+++ b/unity/Assets/eco/SpiritLantern.cs
@@ -24,7 +24,7 @@ namespace IndianOceanAssets.Engine2_5D
 
         [Header("伤害")]
         [Tooltip("怪物碰触灵灯时受到的伤害")]
-        [SerializeField] private int damageOnContact = 1;
+        [SerializeField] private int damageOnContact = 3;
 
         [Header("渐隐")]
         [Tooltip("碰触后灵灯渐隐消失的时间（秒）")]