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Assets/MyGame/Scripts/Turret/FlyTurretData.cs

@@ -589,9 +589,9 @@ public class FlyTurretData : TurretData
         _prewarmOrigScale = plane.localScale;
         _prewarmOrigActive = plane.gameObject.activeSelf;
 
-        // 只开入场要用的 Body+护盾、关掉免费三类——避免把五十来个粒子系统全部初始化（反而更重）
+        // 只开入场要用的 Body、关掉免费三类——避免把五十来个粒子系统全部初始化（反而更重）；
+        // ⭐ 护盾粒子拆到下一帧再开：和 Body 骨架/粒子挤同一帧 = 单帧尖峰（90% 收尾窗口卡顿的来源之一）
         SetPlaneChildActive(plane, "Body", true);
-        SetPlaneChildActive(plane, "PW_Effect_Defend", true);
         SetPlaneChildActive(plane, "FreeEffect", false);
         SetPlaneChildActive(plane, "FreeEffect_Crit", false);
         SetPlaneChildActive(plane, "FreeEffect_Speedup", false);
@@ -602,8 +602,10 @@ public class FlyTurretData : TurretData
             plane.SetParent(holder, true);
         plane.localScale = Vector3.zero;
         plane.gameObject.SetActive(true);
-        yield return null;
-        yield return null;   // 让骨架首帧网格、粒子首帧模拟都跑到
+        yield return null;   // Body 骨架首帧网格
+        SetPlaneChildActive(plane, "PW_Effect_Defend", true);   // 护盾粒子单独一帧开
+        yield return null;   // 护盾首帧模拟
+        yield return null;   // 再等一帧让首帧网格上传铺开
 
         FinishPrewarmRestore();
         Debug.Log($"[XJMH入场] 飞机预热完成（{plane.name}）");