diff --git a/Assets/_Game/Scripts/Core/Events/BaseEventChannelSO.cs b/Assets/_Game/Scripts/Core/Events/BaseEventChannelSO.cs
index fbc8404..20add25 100644
--- a/Assets/_Game/Scripts/Core/Events/BaseEventChannelSO.cs
+++ b/Assets/_Game/Scripts/Core/Events/BaseEventChannelSO.cs
@@ -26,9 +26,24 @@ namespace BaseGames.Core.Events
 #endif
 
         private void OnEnable()
+        {
+            ResetRuntimeState();
+            // 关闭 Domain Reload 后 OnEnable 不再于每次进入 Play 触发，改由编辑器钩子在进入 Play 前兜住重置。
+            PlayModeResetHook.Register(ResetRuntimeState);
+        }
+
+        /// <summary>
+        /// 重置运行时态：清空粘性缓存值与订阅委托，回到"零订阅、无缓存"的干净起点
+        /// （复刻 Domain Reload 每次进入 Play 提供的初始状态）。
+        /// </summary>
+        private void ResetRuntimeState()
         {
             _hasLastValue = false;
             _lastValue    = default;
+            _onEventRaisedBacking = null;
+#if UNITY_EDITOR
+            _subscriberCount = 0;
+#endif
         }
 
         public event Action<T> OnEventRaised
@@ -90,6 +105,22 @@ namespace BaseGames.Core.Events
         private int _subscriberCount;
 #endif
 
+        private void OnEnable()
+        {
+            ResetRuntimeState();
+            // 关闭 Domain Reload 后 OnEnable 不再于每次进入 Play 触发，改由编辑器钩子在进入 Play 前兜住重置。
+            PlayModeResetHook.Register(ResetRuntimeState);
+        }
+
+        /// <summary>重置运行时态：清空订阅委托，回到"零订阅"的干净起点。</summary>
+        private void ResetRuntimeState()
+        {
+            _onEventRaisedBacking = null;
+#if UNITY_EDITOR
+            _subscriberCount = 0;
+#endif
+        }
+
         public event Action OnEventRaised
         {
             add
diff --git a/Assets/_Game/Scripts/Core/Events/PlayModeResetHook.cs b/Assets/_Game/Scripts/Core/Events/PlayModeResetHook.cs
new file mode 100644
index 0000000..e964d03
--- /dev/null
+++ b/Assets/_Game/Scripts/Core/Events/PlayModeResetHook.cs
@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+
+namespace BaseGames.Core.Events
+{
+    /// <summary>
+    /// 关闭 Domain Reload（Project Settings → Editor → Enter Play Mode Settings）后，
+    /// ScriptableObject 资产不再于进入/退出 Play 时被卸载重载，其 OnEnable/OnDisable 也就不再触发，
+    /// 导致 SO 的运行时态（粘性缓存值、订阅委托、运行时字典等）在多次 Play 会话间残留。
+    ///
+    /// 本工具提供一条可靠的"进入 Play 前重置"通道，复刻 Domain Reload 曾提供的"干净起点"：
+    /// 持有运行时态的 SO 在首次 OnEnable（编辑器加载资产时仍会触发一次）调用 <see cref="Register"/>
+    /// 登记自身的重置方法；此后每次"即将进入 Play"由编辑器事件统一回调全部重置方法。
+    ///
+    /// 运行时构建（非编辑器）下为空实现、零开销；构建中没有 Domain Reload 概念，
+    /// SO 的 OnEnable 仍照常负责重置，无需本工具介入。
+    /// </summary>
+    public static class PlayModeResetHook
+    {
+#if UNITY_EDITOR
+        // 以委托相等性去重：同一 SO 实例的同一重置方法多次 Register 只保留一份
+        // （Delegate 的 Equals/GetHashCode 比较 Target 实例与方法）。
+        private static readonly HashSet<Action> _resets = new();
+        private static bool _subscribed;
+
+        /// <summary>登记一个"进入 Play 前"执行的重置回调（仅编辑器有效）。</summary>
+        public static void Register(Action reset)
+        {
+            if (reset == null) return;
+            _resets.Add(reset);
+            if (_subscribed) return;
+            _subscribed = true;
+            EditorApplication.playModeStateChanged += OnPlayModeStateChanged;
+        }
+
+        private static void OnPlayModeStateChanged(PlayModeStateChange change)
+        {
+            // 仅在"退出编辑态、即将进入 Play"的瞬间重置，使后续 Awake 执行时各 SO 处于干净起点。
+            if (change != PlayModeStateChange.ExitingEditMode) return;
+            foreach (var reset in _resets)
+            {
+                // SO 资产被卸载后其托管对象可能已失效（Unity 重载 == null），跳过避免无谓调用。
+                if (reset.Target is UnityEngine.Object uo && uo == null) continue;
+                try { reset(); }
+                catch (Exception e) { UnityEngine.Debug.LogException(e); } // 暴露错误而非静默吞掉
+            }
+        }
+#else
+        /// <summary>运行时构建：空实现。SO 的 OnEnable 在构建中照常重置运行时态。</summary>
+        public static void Register(Action reset) { }
+#endif
+    }
+}
diff --git a/Assets/_Game/Scripts/Core/Events/PlayModeResetHook.cs.meta b/Assets/_Game/Scripts/Core/Events/PlayModeResetHook.cs.meta
new file mode 100644
index 0000000..40e0d92
--- /dev/null
+++ b/Assets/_Game/Scripts/Core/Events/PlayModeResetHook.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5cebf2bf42383c74a86dd7138932143c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/_Game/Scripts/Core/Events/ServiceLocator.cs b/Assets/_Game/Scripts/Core/Events/ServiceLocator.cs
index 9d17d3c..ba46461 100644
--- a/Assets/_Game/Scripts/Core/Events/ServiceLocator.cs
+++ b/Assets/_Game/Scripts/Core/Events/ServiceLocator.cs
@@ -12,6 +12,13 @@ namespace BaseGames.Core
     {
         private static readonly Dictionary<Type, object> _services = new();
 
+        /// <summary>
+        /// 关闭 Domain Reload 后静态字段不再于进入 Play 时重置，
+        /// 残留的服务注册会指向上一次运行已销毁的对象。此钩子在任何 Awake 之前清空注册表。
+        /// </summary>
+        [UnityEngine.RuntimeInitializeOnLoadMethod(UnityEngine.RuntimeInitializeLoadType.SubsystemRegistration)]
+        private static void ResetOnEnterPlayMode() => _services.Clear();
+
         /// <summary>以接口类型 TInterface 注册实现 impl。</summary>
         public static void Register<TInterface>(TInterface impl)
             => _services[typeof(TInterface)] = impl;
diff --git a/Assets/_Game/Scripts/Core/SettingsManager.cs b/Assets/_Game/Scripts/Core/SettingsManager.cs
index 73ec248..3ee3b25 100644
--- a/Assets/_Game/Scripts/Core/SettingsManager.cs
+++ b/Assets/_Game/Scripts/Core/SettingsManager.cs
@@ -27,6 +27,13 @@ namespace BaseGames.Core
         /// <summary>设置变更后触发（用于 UIScaleApplier、色盲滤镜、Camera Shake 等订阅）。</summary>
         public static event Action<GlobalSettingsData> SettingsChanged;
 
+        /// <summary>
+        /// 关闭 Domain Reload 后静态事件不再于进入 Play 时清空，残留订阅者会指向上一次运行已销毁的对象。
+        /// 此钩子在任何 Awake 之前将其重置为 null。
+        /// </summary>
+        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
+        private static void ResetStaticState() => SettingsChanged = null;
+
         private void Awake()
         {
             ServiceLocator.Register<ISettingsService>(this);
diff --git a/Assets/_Game/Scripts/EventChain/EventChainManager.cs b/Assets/_Game/Scripts/EventChain/EventChainManager.cs
index cc92df6..7985a74 100644
--- a/Assets/_Game/Scripts/EventChain/EventChainManager.cs
+++ b/Assets/_Game/Scripts/EventChain/EventChainManager.cs
@@ -79,6 +79,13 @@ namespace BaseGames.EventChain
         /// EventChainEditorWindow 在 OnEnable 中订阅此事件。
         /// </summary>
         public static event Action<string, string> OnChainExecutedInEditor;
+
+        /// <summary>
+        /// 关闭 Domain Reload 后静态事件不再于进入 Play 时清空，此钩子在任何 Awake 之前将其重置为 null，
+        /// 避免上一次运行残留的编辑器窗口订阅者累积。
+        /// </summary>
+        [UnityEngine.RuntimeInitializeOnLoadMethod(UnityEngine.RuntimeInitializeLoadType.SubsystemRegistration)]
+        private static void ResetEditorStaticState() => OnChainExecutedInEditor = null;
 #endif
 
         private readonly HashSet<string> _completedChains = new();
diff --git a/Assets/_Game/Scripts/Input/InputReaderSO.cs b/Assets/_Game/Scripts/Input/InputReaderSO.cs
index efefa99..05a88e4 100644
--- a/Assets/_Game/Scripts/Input/InputReaderSO.cs
+++ b/Assets/_Game/Scripts/Input/InputReaderSO.cs
@@ -71,6 +71,9 @@ namespace BaseGames.Input
         private InputActionMap _ui;
         private bool _isBound;
         private InputAction _jumpAction;
+        // 记录每次绑定对应的解绑动作。关闭 Domain Reload 后 InputActionAsset 跨会话存活，
+        // 必须在重新绑定前先解绑旧回调，否则同一输入会被绑定多次、触发多次。
+        private readonly List<Action> _unbinders = new();
 
         private void EnsureInitialized()
         {
@@ -105,9 +108,20 @@ namespace BaseGames.Input
         {
             Debug.Assert(_onPauseRequested != null,
                 "[InputReaderSO] _onPauseRequested 未赋值，请在 Inspector 中指定 EVT_PauseRequested。", this);
-            // Reset private state on every OnEnable so stale ScriptableObject
-            // references from a previous Play session don't cause
-            // 'Map must be contained in state' errors.
+            ResetRuntimeState();
+            // 关闭 Domain Reload 后 OnEnable 不再于每次进入 Play 触发，改由编辑器钩子在进入 Play 前兜住重置。
+            PlayModeResetHook.Register(ResetRuntimeState);
+        }
+
+        /// <summary>
+        /// 重置运行时态并重建输入绑定，回到本次 Play 会话的干净起点：
+        /// 先解绑上一次会话残留在 InputActionAsset 上的回调（避免跨会话重复绑定导致多次触发），
+        /// 再清空对外事件订阅者，最后重新初始化并绑定。
+        /// </summary>
+        private void ResetRuntimeState()
+        {
+            UnbindAll();
+            ClearGameplayEvents();
             _gameplay = null;
             _ui = null;
             _isBound = false;
@@ -115,6 +129,31 @@ namespace BaseGames.Input
             EnsureInitialized();
         }
 
+        /// <summary>解绑本读取器先前注册到 InputActionAsset 上的全部回调。</summary>
+        private void UnbindAll()
+        {
+            foreach (var unbind in _unbinders) unbind();
+            _unbinders.Clear();
+        }
+
+        /// <summary>清空所有对外事件的订阅者，回到零订阅起点（复刻 Domain Reload 的初始状态）。</summary>
+        private void ClearGameplayEvents()
+        {
+            MoveEvent = null;
+            JumpStartedEvent = null;          JumpCancelledEvent = null;
+            AttackEvent = null;               ParryEvent = null;            DashEvent = null;
+            UseSpringEvent = null;
+            SwitchTianHunFormEvent = null;    SwitchDiHunFormEvent = null;  SwitchMingHunFormEvent = null;
+            SoulSkillEvent = null;
+            SpiritSkill1StartedEvent = null;  SpiritSkill1CancelledEvent = null;
+            SpiritSkill2StartedEvent = null;  SpiritSkill2CancelledEvent = null;
+            SpellCastEvent = null;
+            InteractEvent = null;             InteractCancelledEvent = null;
+            PauseEvent = null;                NavigateEvent = null;
+            SubmitEvent = null;               CancelEvent = null;           PointEvent = null;
+            CycleMinimapZoomEvent = null;     MapCenterEvent = null;
+        }
+
         private void OnDisable()
         {
             _gameplay?.Disable();
@@ -245,38 +284,46 @@ namespace BaseGames.Input
             _onPauseRequested?.Raise();
         }
 
-        private static void BindStarted(InputActionMap map, string name, Action callback)
+        // 以下绑定方法在挂接回调的同时，把对应的解绑动作记入 _unbinders，
+        // 供 UnbindAll 在跨会话重建前清理，避免回调在 InputActionAsset 上累积。
+        private void BindStarted(InputActionMap map, string name, Action callback)
         {
             var action = map.FindAction(name, throwIfNotFound: false);
-            if (action != null)
-            {
-                action.started += _ => callback();
-                
-            }
-            else
+            if (action == null)
             {
                 Debug.LogWarning($"[BindStarted] Action '{name}' not found in map");
+                return;
             }
+            Action<InputAction.CallbackContext> handler = _ => callback();
+            action.started += handler;
+            _unbinders.Add(() => action.started -= handler);
         }
 
-        private static void BindPerformed(InputActionMap map, string name,
+        private void BindPerformed(InputActionMap map, string name,
             Action<InputAction.CallbackContext> callback)
         {
             var action = map.FindAction(name, throwIfNotFound: false);
-            if (action != null) action.performed += callback;
+            if (action == null) return;
+            action.performed += callback;
+            _unbinders.Add(() => action.performed -= callback);
         }
 
-        private static void BindCanceled(InputActionMap map, string name,
+        private void BindCanceled(InputActionMap map, string name,
             Action<InputAction.CallbackContext> callback)
         {
             var action = map.FindAction(name, throwIfNotFound: false);
-            if (action != null) action.canceled += callback;
+            if (action == null) return;
+            action.canceled += callback;
+            _unbinders.Add(() => action.canceled -= callback);
         }
 
-        private static void BindCanceled(InputActionMap map, string name, Action callback)
+        private void BindCanceled(InputActionMap map, string name, Action callback)
         {
             var action = map.FindAction(name, throwIfNotFound: false);
-            if (action != null) action.canceled += _ => callback();
+            if (action == null) return;
+            Action<InputAction.CallbackContext> handler = _ => callback();
+            action.canceled += handler;
+            _unbinders.Add(() => action.canceled -= handler);
         }
 
         // ── Rebinding API (P4-3) ──────────────────────────────────────────────
diff --git a/Assets/_Game/Scripts/World/WorldStateRegistry.cs b/Assets/_Game/Scripts/World/WorldStateRegistry.cs
index dd5637f..70b650a 100644
--- a/Assets/_Game/Scripts/World/WorldStateRegistry.cs
+++ b/Assets/_Game/Scripts/World/WorldStateRegistry.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using BaseGames.Core;
+using BaseGames.Core.Events;
 using BaseGames.Core.Save;
 using UnityEngine;
 
@@ -41,10 +42,23 @@ namespace BaseGames.World
         public event Action<WorldObjectCategory, string[]> OnBatchStateChanged;
 
         /// <summary>
-        /// Editor 重新进入 Play Mode 时 ScriptableObject 保留上一次运行的状态，
-        /// OnEnable 在域重载（Domain Reload）和每次 Play 开始时都会调用，确保状态干净。
+        /// ScriptableObject 会在多次 Play 会话间保留运行时状态，进入 Play 前必须清干净。
+        /// 关闭 Domain Reload 后 OnEnable 不再于每次进入 Play 触发，故同时登记到 PlayModeResetHook，
+        /// 由编辑器钩子在进入 Play 前兜住重置（构建中仍由 OnEnable 负责）。
         /// </summary>
-        private void OnEnable() => _states.Clear();
+        private void OnEnable()
+        {
+            ResetRuntimeState();
+            PlayModeResetHook.Register(ResetRuntimeState);
+        }
+
+        /// <summary>清空运行时状态字典与变更事件订阅者，回到干净起点。</summary>
+        private void ResetRuntimeState()
+        {
+            _states.Clear();
+            OnStateChanged      = null;
+            OnBatchStateChanged = null;
+        }
 
         // ── 泛化 API ─────────────────────────────────────────────────────────
         /// <summary>检查指定类别中 id 是否已标记。</summary>
diff --git a/ProjectSettings/EditorSettings.asset b/ProjectSettings/EditorSettings.asset
index 7eeb408..44ec361 100644
--- a/ProjectSettings/EditorSettings.asset
+++ b/ProjectSettings/EditorSettings.asset
@@ -24,10 +24,10 @@ EditorSettings:
   m_EnableEditorAsyncCPUTextureLoading: 0
   m_AsyncShaderCompilation: 1
   m_PrefabModeAllowAutoSave: 1
-  m_EnterPlayModeOptionsEnabled: 0
-  m_EnterPlayModeOptions: 1
+  m_EnterPlayModeOptionsEnabled: 1
+  m_EnterPlayModeOptions: 3
   m_GameObjectNamingDigits: 1
-  m_GameObjectNamingScheme: 0
+  m_GameObjectNamingScheme: 2
   m_AssetNamingUsesSpace: 1
   m_InspectorUseIMGUIDefaultInspector: 0
   m_UseLegacyProbeSampleCount: 0