ui基本完毕，修了一大把的bug

Assets/scripts/gamePlay_gameplay/gfxController.cs

@@ -12,6 +12,9 @@ public class GfxController : MonoBehaviour
 {
     public static GfxController Instance { get; private set; }
 
+    // 复用的属性块：命中特效透明度覆写用，避免每次命中访问 r.materials 克隆材质。
+    private MaterialPropertyBlock _fxPropertyBlock;
+
     [Header("Combatant Objects")]
     public GameObject enemyMoveObject;
     public GameObject ally01MoveObject;
@@ -688,23 +691,28 @@ public class GfxController : MonoBehaviour
             // 设置排序层级
             r.sortingOrder = sortingOrder;
 
-            // 处理材质透明度
+            // 处理材质透明度：用 MaterialPropertyBlock 覆写 alpha，避免访问 r.materials
+            // 触发材质实例化（每次命中都会克隆并泄漏材质，产生 GC）。视觉结果等价。
             if (transparency < 1f)
             {
-                foreach (var mat in r.materials)
+                var sharedMat = r.sharedMaterial;
+                if (sharedMat != null)
                 {
-                    if (mat.HasProperty("_Color"))
+                    if (_fxPropertyBlock == null) _fxPropertyBlock = new MaterialPropertyBlock();
+                    r.GetPropertyBlock(_fxPropertyBlock);
+                    if (sharedMat.HasProperty("_Color"))
                     {
-                        Color c = mat.color;
+                        Color c = sharedMat.color;
                         c.a *= transparency;
-                        mat.color = c;
+                        _fxPropertyBlock.SetColor("_Color", c);
                     }
-                    else if (mat.HasProperty("_BaseColor")) // URP 命名
+                    else if (sharedMat.HasProperty("_BaseColor")) // URP 命名
                     {
-                        Color c = mat.GetColor("_BaseColor");
+                        Color c = sharedMat.GetColor("_BaseColor");
                         c.a *= transparency;
-                        mat.SetColor("_BaseColor", c);
+                        _fxPropertyBlock.SetColor("_BaseColor", c);
                     }
+                    r.SetPropertyBlock(_fxPropertyBlock);
                 }
             }
         }