diff --git a/Autoloads/GameSettingsNode.cs b/Autoloads/GameSettingsNode.cs
index 08e074d..88f024b 100644
--- a/Autoloads/GameSettingsNode.cs
+++ b/Autoloads/GameSettingsNode.cs
@@ -1,6 +1,7 @@
+using CMSGame.Models;
 using Newtonsoft.Json;
 
-namespace CMSGame
+namespace CMSGame.Autoloads
 {
     /// <summary>
     /// 游戏设置持久化节点
@@ -26,7 +27,6 @@ namespace CMSGame
             RegisterAllSettings();
             MakeDirectories();
             LoadAllSettings();
-            ApplyVideoSettings();
         }
 
         protected void RegisterAllSettings()
@@ -99,17 +99,5 @@ namespace CMSGame
             using var file = FileAccess.Open(SettingsPaths[settingsType], FileAccess.ModeFlags.Write);
             file.StoreString(settingsText);
         }
-
-        public void ApplyVideoSettings()
-        {
-            if (VideoSettings.UseFullScreen)
-            {
-                DisplayServer.WindowSetMode(DisplayServer.WindowMode.Fullscreen);
-            }
-            else
-            {
-                DisplayServer.WindowSetMode(DisplayServer.WindowMode.Windowed);
-            }
-        }
     }
 }
diff --git a/Components/Settings/SettingsMenu.cs b/Components/Settings/SettingsMenu.cs
index 1e03f50..24ee483 100644
--- a/Components/Settings/SettingsMenu.cs
+++ b/Components/Settings/SettingsMenu.cs
@@ -1,8 +1,10 @@
+using CMSGame.Autoloads;
+
 namespace CMSGame
 {
     public partial class SettingsMenu : TabContainer
     {
-        private bool _inDevelopment => OS.HasFeature("debug") || OS.HasFeature("editor");
+        private static bool s_inDevelopment => OS.HasFeature("debug") || OS.HasFeature("editor");
 
         public GameSettingsNode? Settings;
 
@@ -23,7 +25,7 @@ namespace CMSGame
             this.GetUniqueNode(ref AudioSettingsMenu, nameof(AudioSettingsMenu));
             this.GetUniqueNode(ref DeveloperOptionsMenu, nameof(DeveloperOptionsMenu));
 
-            DeveloperOptionsMenu!.Visible = _inDevelopment;
+            DeveloperOptionsMenu!.Visible = s_inDevelopment;
         }
     }
 }
diff --git a/Components/Settings/VideoSettingsMenu.cs b/Components/Settings/VideoSettingsMenu.cs
index 1ab3569..64e8590 100644
--- a/Components/Settings/VideoSettingsMenu.cs
+++ b/Components/Settings/VideoSettingsMenu.cs
@@ -1,3 +1,5 @@
+using CMSGame.Models;
+
 namespace CMSGame
 {
     public partial class VideoSettingsMenu : Control
diff --git a/Helpers/DisplayServerHelper.cs b/Helpers/DisplayServerHelper.cs
new file mode 100644
index 0000000..57bf58f
--- /dev/null
+++ b/Helpers/DisplayServerHelper.cs
@@ -0,0 +1,17 @@
+namespace CMSGame.Helpers
+{
+    internal static class DisplayServerHelper
+    {
+        public static void ApplyAndPersistResolutionSettings(bool useFullScreen)
+        {
+            if (useFullScreen)
+            {
+                DisplayServer.WindowSetMode(DisplayServer.WindowMode.Fullscreen);
+            }
+            else
+            {
+                DisplayServer.WindowSetMode(DisplayServer.WindowMode.Windowed);
+            }
+        }
+    }
+}
diff --git a/Models/Changelog.cs b/Models/Changelog.cs
index 965cf57..a5edc05 100644
--- a/Models/Changelog.cs
+++ b/Models/Changelog.cs
@@ -40,7 +40,7 @@ namespace CMSGame.Models
             if (fileContent == null) return;
 
             Changelog? changelog = null;
-            StringBuilder contentBuilder = new StringBuilder();
+            StringBuilder contentBuilder = new();
 
             var commitChangelog = () =>
             {
diff --git a/Autoloads/GameSettings.cs b/Models/GameSettings.cs
similarity index 95%
rename from Autoloads/GameSettings.cs
rename to Models/GameSettings.cs
index 09fced2..7eb3bf0 100644
--- a/Autoloads/GameSettings.cs
+++ b/Models/GameSettings.cs
@@ -1,4 +1,4 @@
-namespace CMSGame
+namespace CMSGame.Models
 {
     public record class GameSettings
     {
diff --git a/Scenes/LandingScene/ChangelogContainer.cs b/Scenes/LandingScene/ChangelogContainer.cs
index b360ad2..bcb60cd 100644
--- a/Scenes/LandingScene/ChangelogContainer.cs
+++ b/Scenes/LandingScene/ChangelogContainer.cs
@@ -20,7 +20,7 @@ namespace CMSGame
         {
             var changelogText = _changelogList.Select(log =>
             {
-                StringBuilder textBuilder = new StringBuilder();
+                StringBuilder textBuilder = new();
                 textBuilder.Append($"[b]{log.Title}[/b]");
 
                 if (log.Date != null)