fix

Runtime/UXComponent/Button/UXButton.cs

@@ -144,8 +144,6 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
 
             if (old._mTogSelected && old.m_Mode == ButtonModeType.Toggle)
                 old.SetState(SelectionState.Selected);
-            else
-                old.SetState(SelectionState.Normal);
         }
 
         if (newLocked != null)
@@ -343,10 +341,6 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
 
         m_IsNavFocused = true;
 
-        // 变更：当通过 EventSystem.current.SetSelectedGameObject(...) 选中时，
-        // 也要像 Focus() 一样将静态锁设置到当前按钮（除非已经是自己）。
-        // 这样外部直接调用 EventSystem.current.SetSelectedGameObject(...) 就能生效，
-        // 无需再调用 Focus().
         if (s_LockedButton != this)
         {
             SetLockedButton(this);
@@ -381,10 +375,8 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
 
         if (selectionIsNull)
         {
-            // 统一走封装入口清理锁
-            SetLockedButton(null);
-
-            // 额外保证本实例的本地标志被清掉（以防极端顺序仍然残留）
+            m_IsNavFocused = false;
+            s_LockedButton = null;
             m_IsFocusLocked = false;
         }
 
@@ -543,15 +535,9 @@ public class UXButton : UXSelectable, IButton, IPointerClickHandler, ISubmitHand
         ApplyVisualState(state, true);
     }
 
-    /// <summary>
-    /// 覆盖基类的 ApplyVisualState：先由基类处理 MainTransition，再处理 child transitions（保持原逻辑）
-    /// </summary>
     public override void ApplyVisualState(SelectionState state, bool instant)
     {
-        // main transition 由基类处理
         base.ApplyVisualState(state, instant);
-
-        // child transitions 保持原有处理（UXButton 特有）
         for (int i = 0; i < m_ChildTransitions.Count; i++)
             base.ApplyTransition(m_ChildTransitions[i], state, instant);
     }