优化一大波

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
             {

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;
 

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();
+        }
     }
 }

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)