diff --git a/LiveWallpaper/Program.cs b/LiveWallpaper/Program.cs
index 71b74c29..6a3dbb4b 100644
--- a/LiveWallpaper/Program.cs
+++ b/LiveWallpaper/Program.cs
@@ -8,9 +8,9 @@ namespace LiveWallpaper
     class Program
     {
         [STAThread]
-        static void Main(string[] args)
+        static void Main()
         {
-            Application.SetHighDpiMode(HighDpiMode.SystemAware);
+            Application.SetHighDpiMode(HighDpiMode.PerMonitorV2);
             Application.Run(new AppContext());
         }
     }
diff --git a/LiveWallpaperEngineAPI/Forms/LiveWallpaperRenderForm.cs b/LiveWallpaperEngineAPI/Forms/LiveWallpaperRenderForm.cs
index 5f695a51..13593d92 100644
--- a/LiveWallpaperEngineAPI/Forms/LiveWallpaperRenderForm.cs
+++ b/LiveWallpaperEngineAPI/Forms/LiveWallpaperRenderForm.cs
@@ -12,7 +12,7 @@ namespace Giantapp.LiveWallpaper.Engine.Forms
     /// </summary>
     public partial class LiveWallpaperRenderForm : Form
     {
-        static readonly Dictionary<string, LiveWallpaperRenderForm> _hosts = new Dictionary<string, LiveWallpaperRenderForm>();
+        static readonly Dictionary<string, LiveWallpaperRenderForm> _hosts = new();
         readonly string _screenName;
 
         public LiveWallpaperRenderForm(string screenName)
diff --git a/LiveWallpaperEngineAPI/Utils/WallpaperHelper.cs b/LiveWallpaperEngineAPI/Utils/WallpaperHelper.cs
index c809445a..d41f06c5 100644
--- a/LiveWallpaperEngineAPI/Utils/WallpaperHelper.cs
+++ b/LiveWallpaperEngineAPI/Utils/WallpaperHelper.cs
@@ -23,7 +23,7 @@ public class WallpaperHelper
         #region static
 
         //Dictionary<screenName,helper>
-        static readonly Dictionary<string, WallpaperHelper> _cacheInstances = new Dictionary<string, WallpaperHelper>();
+        static readonly Dictionary<string, WallpaperHelper> _cacheInstances = new();
         static IDesktopWallpaper _desktopWallpaperAPI;
         static uint _slideshowTick;
         static IntPtr _progman;
@@ -54,7 +54,7 @@ public static void RestoreDefaultWallpaper()
         static string GetDesktopWallpaper()
         {
             int MAX_PATH = 260;
-            string wallpaper = new string('\0', MAX_PATH);
+            string wallpaper = new('\0', MAX_PATH);
             _ = User32Wrapper.SystemParametersInfo(User32Wrapper.SPI_GETDESKWALLPAPER, (uint)wallpaper.Length, wallpaper, 0);
             return wallpaper.Substring(0, wallpaper.IndexOf('\0'));
         }