diff --git a/Runtime/UXComponent/Button/UXButton.cs b/Runtime/UXComponent/Button/UXButton.cs
index 0ce1188..063d777 100644
--- a/Runtime/UXComponent/Button/UXButton.cs
+++ b/Runtime/UXComponent/Button/UXButton.cs
@@ -38,6 +38,7 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
     private bool _mTogSelected;
     private Coroutine _resetRoutine;
     private Coroutine _deferredDeselectRoutine;
+    private Coroutine _deferredLockRoutine; // 新增：用于 Focus 延迟锁定的协程
     private WaitForSeconds _waitFadeDuration;
 
     // 静态锁（用于 normal 模式点击后的“保持 Selected”并能转移）
@@ -118,6 +119,10 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
     {
         if (_resetRoutine != null)
             StopCoroutine(_resetRoutine);
+        if (_deferredDeselectRoutine != null)
+            StopCoroutine(_deferredDeselectRoutine);
+        if (_deferredLockRoutine != null)
+            StopCoroutine(_deferredLockRoutine);
         base.OnDestroy();
     }
 
@@ -410,7 +415,6 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
     }
 
 
-
     public override void OnDeselect(BaseEventData eventData)
     {
         base.OnDeselect(eventData);
@@ -594,6 +598,7 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
         if (!IsInteractable())
             return;
 
+        // 先发起选中请求
         if (EventSystem.current != null)
         {
             EventSystem.current.SetSelectedGameObject(gameObject, new BaseEventData(EventSystem.current));
@@ -601,9 +606,32 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
 
         m_IsNavFocused = true;
 
-        if ((s_LockedButton != null && s_LockedButton != this) || s_LockedButton == null)
+        // 停掉已有的延迟锁协程（如果有）
+        if (_deferredLockRoutine != null)
+        {
+            StopCoroutine(_deferredLockRoutine);
+            _deferredLockRoutine = null;
+        }
+
+        // 如果已经成为 EventSystem 的 selected，则立即锁定；否则延迟一帧再确认并锁定
+        if (IsStillSelected())
         {
             SetLockedButton(this);
         }
+        else
+        {
+            _deferredLockRoutine = StartCoroutine(DeferredLockAfterFocus());
+        }
+    }
+
+    private IEnumerator DeferredLockAfterFocus()
+    {
+        // 等一帧，让 EventSystem 完成 selected 的更新和分发（OnDeselect/OnSelect 等）
+        yield return null;
+
+        if (IsStillSelected())
+            SetLockedButton(this);
+
+        _deferredLockRoutine = null;
     }
 }