多轮审查和修复

Assets/Scripts/Camera/CameraStateController.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using UnityEngine;
 using Unity.Cinemachine;
+using BaseGames.Core;
 
 namespace BaseGames.Camera
 {
@@ -9,10 +10,8 @@ namespace BaseGames.Camera
     /// 须放置在持久化场景中。
     /// </summary>
     [DefaultExecutionOrder(-100)]
-    public class CameraStateController : MonoBehaviour
+    public class CameraStateController : MonoBehaviour, ICameraService
     {
-        public static CameraStateController Instance { get; private set; }
-
         [Header("引用")]
         [SerializeField] private CinemachineBrain          _brain;
         [SerializeField] private CinemachineImpulseSource  _impulseSource;
@@ -27,17 +26,13 @@ namespace BaseGames.Camera
         // ── Unity Lifecycle ───────────────────────────────────────────────────
         private void Awake()
         {
-            if (Instance != null && Instance != this)
-            {
-                Destroy(gameObject);
-                return;
-            }
-            Instance = this;
+            if (ServiceLocator.GetOrDefault<ICameraService>() != null) { Destroy(gameObject); return; }
+            ServiceLocator.Register<ICameraService>(this);
         }
 
         private void OnDestroy()
         {
-            if (Instance == this) Instance = null;
+            ServiceLocator.Unregister<ICameraService>(this);
         }
 
         // ── 公开 API ──────────────────────────────────────────────────────────