更新

Assets/Scripts/MainGame/UI/ArrowsPage/ArrowsPage.cs

@@ -26,6 +26,17 @@ namespace Continentis.MainGame.UI
         {
             foreach (var pointerArrow in pointerArrows) LeanPool.Despawn(pointerArrow.gameObject);
             pointerArrows.Clear();
+            mainPointerArrow = null;
+        }
+
+        /// <summary>移除并回收最后一支箭头（用于多目标选择的撤销操作）。</summary>
+        public void RemoveLastPointerArrow()
+        {
+            if (pointerArrows.Count == 0) return;
+            PointerArrow last = pointerArrows[^1];
+            pointerArrows.RemoveAt(pointerArrows.Count - 1);
+            if (last == mainPointerArrow) mainPointerArrow = null;
+            LeanPool.Despawn(last.gameObject);
         }
     }
 }