大修

Assets/Scripts/StartMenu/StartMenuManager.cs

@@ -1,20 +1,22 @@
 using System.Collections;
 using System.Collections.Generic;
+using SLSUtilities.General;
 using UnityEngine;
 
 namespace Ichni.StartMenu
 {
-    public class StartMenuManager : MonoBehaviour
+    public class StartMenuManager : Singleton<StartMenuManager>
     {
-        public static StartMenuManager instance;
+        /// <summary>小写别名，兼容现有调用点</summary>
+        public new static StartMenuManager instance => Instance;
+
         public StartPage startPage;
         public CreateEmptyProjectPage createEmptyProjectPage;
         public EditorSettingsPage editorSettingsPage;
-        
-        private void Awake()
-        {
-            instance = this;
 
+        protected override void Awake()
+        {
+            base.Awake(); // Singleton<T>.Initialize(false)
             Application.targetFrameRate = 90;
         }
     }