重构

unity/Assets/UI/ScoreDisplay.cs

@@ -1,5 +1,6 @@
 using UnityEngine;
 using UnityEngine.UI;
+using Architecture.Core;
 
 namespace GameFramework
 {
@@ -13,24 +14,25 @@ namespace GameFramework
         [SerializeField] Text scoreText;
         [SerializeField] string format = "{0}";
 
+        [Header("SO 事件通道（替代 static ScoreManager.onScoreChanged 事件）")]
+        [SerializeField] private IntEvent scoreChangedEvent;
+
         void OnEnable()
         {
-            ScoreManager.onScoreChanged += UpdateText;
+            scoreChangedEvent?.Register(UpdateText);
         }
 
         void OnDisable()
         {
-            ScoreManager.onScoreChanged -= UpdateText;
+            scoreChangedEvent?.Unregister(UpdateText);
         }
 
         void Start()
         {
             if (scoreText == null)
                 scoreText = GetComponent<Text>();
-            if (ScoreManager.Instance != null)
-                UpdateText(ScoreManager.Instance.CurrentScore);
-            else
-                UpdateText(0);
+            // 初始值走事件：订阅后首个 ScoreChanged 会刷新显示；分数初始即为 0，先显示 0。
+            UpdateText(0);
         }
 
         void UpdateText(int score)