diff --git a/Assets/_Game/Scripts/Core/Save/GameSaveManager.cs b/Assets/_Game/Scripts/Core/Save/GameSaveManager.cs
index 551b6bf..70cf6c5 100644
--- a/Assets/_Game/Scripts/Core/Save/GameSaveManager.cs
+++ b/Assets/_Game/Scripts/Core/Save/GameSaveManager.cs
@@ -51,7 +51,17 @@ namespace BaseGames.Core.Save
         }
 
         // ── ISaveable 注册 ────────────────────────────────────────────────────
-        public void Register(ISaveable s)   => _saveables.Add(s);
+        /// <summary>
+        /// 注册 ISaveable。若当前已有存档数据（_current != null），
+        /// 立即对该组件补发 OnLoad，使跨场景延迟注册的组件也能正确恢复状态。
+        /// </summary>
+        public void Register(ISaveable s)
+        {
+            if (!_saveables.Add(s)) return;
+            if (_current != null)
+                s.OnLoad(_current);
+        }
+
         public void Unregister(ISaveable s) => _saveables.Remove(s);
 
         // ── 游玩时间追踪 ──────────────────────────────────────────────────────
diff --git a/Assets/_Game/Scripts/Equipment/EquipmentManager.cs b/Assets/_Game/Scripts/Equipment/EquipmentManager.cs
index d60c3ce..4cf0841 100644
--- a/Assets/_Game/Scripts/Equipment/EquipmentManager.cs
+++ b/Assets/_Game/Scripts/Equipment/EquipmentManager.cs
@@ -26,16 +26,29 @@ namespace BaseGames.Equipment
         [SerializeField] private CharmEventChannelSO _onCharmUnequipped;
         [SerializeField] private VoidEventChannelSO  _onEquipmentChanged;
 
+        [Tooltip("AchievementManager 解锁授予凹槽成就时发布；订阅后调用 IncreaseNotches(1)。")]
+        [SerializeField] private VoidEventChannelSO  _onAchievementNotchGranted;
+
         private readonly List<CharmSO> _equipped  = new(4);
         private readonly List<CharmSO> _collected = new(32);
         private int _currentNotchCapacity;
         private int _usedNotches;
 
         private EquipmentContext _ctx;
+        private readonly CompositeDisposable _subs = new();
 
         // ── 生命周期 ──────────────────────────────────────────────────────────
-        private void OnEnable()  => ServiceLocator.GetOrDefault<ISaveableRegistry>()?.Register(this);
-        private void OnDisable() => ServiceLocator.GetOrDefault<ISaveableRegistry>()?.Unregister(this);
+        private void OnEnable()
+        {
+            ServiceLocator.GetOrDefault<ISaveableRegistry>()?.Register(this);
+            _onAchievementNotchGranted?.Subscribe(() => IncreaseNotches(1)).AddTo(_subs);
+        }
+
+        private void OnDisable()
+        {
+            ServiceLocator.GetOrDefault<ISaveableRegistry>()?.Unregister(this);
+            _subs.Clear();
+        }
 
         private void Awake()
         {
diff --git a/Assets/_Game/Scripts/Progression/AchievementManager.cs b/Assets/_Game/Scripts/Progression/AchievementManager.cs
index abd4a6e..0d3313f 100644
--- a/Assets/_Game/Scripts/Progression/AchievementManager.cs
+++ b/Assets/_Game/Scripts/Progression/AchievementManager.cs
@@ -29,9 +29,11 @@ namespace BaseGames.Progression
         [Header("事件频道")]
         [SerializeField] private AchievementEventChannelSO _onAchievementUnlocked;
 
+        [Tooltip("成就授予凹槽时发布；EquipmentManager 订阅后调用 IncreaseNotches(1)。")]
+        [SerializeField] private VoidEventChannelSO _onNotchGranted;
+
         // ── 运行时状态 ─────────────────────────────────────────────────────────
         private readonly Dictionary<string, AchievementRuntimeState> _states = new();
-        private SaveData _saveRef;
 
 
         private void Awake()
@@ -104,7 +106,6 @@ namespace BaseGames.Progression
         /// </summary>
         public void EvaluateAll(SaveData save)
         {
-            _saveRef = save;
             foreach (var state in _states.Values)
             {
                 if (state.IsUnlocked) continue;
@@ -151,11 +152,10 @@ namespace BaseGames.Progression
             ServiceLocator.Get<IPlatformService>()?.UnlockAchievement(state.Achievement.achievementId);
 #endif
 
-            // 若成就授予凹槽，写入存档数值
-            if (state.Achievement.grantsNotch && _saveRef != null)
-            {
-                _saveRef.Equipment.MaxNotches++;
-            }
+            // 若成就授予凹槽，通过事件通知 EquipmentManager 更新运行时状态；
+            // 不直接写 SaveData，避免与 EquipmentManager.OnSave 的数据竞争。
+            if (state.Achievement.grantsNotch)
+                _onNotchGranted?.Raise();
 
             Debug.Log($"[Achievement] 解锁：{state.Achievement.displayName} ({state.Achievement.achievementId})");
         }