diff --git a/AssetStudioUtility/AssetStudioUtility.csproj b/AssetStudioUtility/AssetStudioUtility.csproj
index 3acdc54..dea0ddb 100644
--- a/AssetStudioUtility/AssetStudioUtility.csproj
+++ b/AssetStudioUtility/AssetStudioUtility.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Mono.Cecil" Version="0.11.3" />
-    <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-beta13" />
+    <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-beta15" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/AssetStudioUtility/ImageExtensions.cs b/AssetStudioUtility/ImageExtensions.cs
index a6cbad7..1ba0e5a 100644
--- a/AssetStudioUtility/ImageExtensions.cs
+++ b/AssetStudioUtility/ImageExtensions.cs
@@ -2,6 +2,7 @@
 using SixLabors.ImageSharp.Formats.Bmp;
 using SixLabors.ImageSharp.Formats.Tga;
 using SixLabors.ImageSharp.PixelFormats;
+using System;
 using System.IO;
 using System.Runtime.InteropServices;
 
@@ -45,11 +46,13 @@ namespace AssetStudio
 
         public static byte[] ConvertToBytes<TPixel>(this Image<TPixel> image) where TPixel : unmanaged, IPixel<TPixel>
         {
-            if (image.TryGetSinglePixelSpan(out var pixelSpan))
+            using (image)
             {
-                return MemoryMarshal.AsBytes(pixelSpan).ToArray();
+                Span<byte> imageSpan = new byte[image.Width * image.Height * 4];
+                image.CopyPixelDataTo(imageSpan);
+
+                return MemoryMarshal.AsBytes(imageSpan).ToArray();
             }
-            return null;
         }
     }
 }
diff --git a/AssetStudioUtility/SpriteHelper.cs b/AssetStudioUtility/SpriteHelper.cs
index db1ac99..56f17a3 100644
--- a/AssetStudioUtility/SpriteHelper.cs
+++ b/AssetStudioUtility/SpriteHelper.cs
@@ -96,8 +96,8 @@ namespace AssetStudio
                             using (var mask = new Image<Bgra32>(rect.Width, rect.Height, SixLabors.ImageSharp.Color.Black))
                             {
                                 mask.Mutate(x => x.Fill(options, SixLabors.ImageSharp.Color.Red, path));
-                                var bursh = new ImageBrush(mask);
-                                spriteImage.Mutate(x => x.Fill(graphicsOptions, bursh));
+                                var brush = new ImageBrush(mask);
+                                spriteImage.Mutate(x => x.Fill(options, brush));
                                 spriteImage.Mutate(x => x.Flip(FlipMode.Vertical));
                                 return spriteImage;
                             }