diff --git a/AIStudio.Wpf.DiagramApp/AIStudio.Wpf.DiagramApp.csproj b/AIStudio.Wpf.DiagramApp/AIStudio.Wpf.DiagramApp.csproj
index 6ffbb62..e1a927f 100644
--- a/AIStudio.Wpf.DiagramApp/AIStudio.Wpf.DiagramApp.csproj
+++ b/AIStudio.Wpf.DiagramApp/AIStudio.Wpf.DiagramApp.csproj
@@ -127,12 +127,6 @@
     <ProjectReference Include="..\AIStudio.Wpf.SFC\AIStudio.Wpf.SFC.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Reference Include="zxing.core">
-      <HintPath>..\AIStudio.Wpf.DiagramDesigner.Additionals\DLL\zxing.core.dll</HintPath>
-    </Reference>
-  </ItemGroup>
-
   <ItemGroup>
     <Resource Include="Icons\App.ico" />
     <Resource Include="Images\AlignObjectsBottom.png" />
diff --git a/AIStudio.Wpf.DiagramDesigner.Additionals/AIStudio.Wpf.DiagramDesigner.Additionals.csproj b/AIStudio.Wpf.DiagramDesigner.Additionals/AIStudio.Wpf.DiagramDesigner.Additionals.csproj
index 46ef60d..d86ce72 100644
--- a/AIStudio.Wpf.DiagramDesigner.Additionals/AIStudio.Wpf.DiagramDesigner.Additionals.csproj
+++ b/AIStudio.Wpf.DiagramDesigner.Additionals/AIStudio.Wpf.DiagramDesigner.Additionals.csproj
@@ -18,6 +18,7 @@
     <PackageReference Include="MahApps.Metro.IconPacks" Version="4.8.0" />
     <PackageReference Include="AIStudio.Wpf.Svg2XamlExtension" Version="1.2.2" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="ZXing.Net" Version="0.16.8" />
   </ItemGroup>
 
   <ItemGroup>
@@ -31,10 +32,4 @@
     </None>
   </ItemGroup> 
 
-  <ItemGroup>
-    <Reference Include="zxing.core">
-      <HintPath>DLL\zxing.core.dll</HintPath>
-    </Reference>
-  </ItemGroup> 
-
 </Project>
diff --git a/AIStudio.Wpf.DiagramDesigner.Additionals/Controls/Barcode.xaml.cs b/AIStudio.Wpf.DiagramDesigner.Additionals/Controls/Barcode.xaml.cs
index f2e22a0..e6da408 100644
--- a/AIStudio.Wpf.DiagramDesigner.Additionals/Controls/Barcode.xaml.cs
+++ b/AIStudio.Wpf.DiagramDesigner.Additionals/Controls/Barcode.xaml.cs
@@ -1,20 +1,13 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 using WpfAnimatedGif;
 using ZXing;
+#if !NET5_0_OR_GREATER
 using ZXing.Presentation;
+#endif
 
 namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
 {
@@ -29,7 +22,7 @@ namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
         }
 
         public static readonly DependencyProperty TextProperty = DependencyProperty.Register(
-            "Text", typeof(string), typeof(Barcode), new FrameworkPropertyMetadata(
+            nameof(Text), typeof(string), typeof(Barcode), new FrameworkPropertyMetadata(
             string.Empty,
             FrameworkPropertyMetadataOptions.AffectsMeasure |
             FrameworkPropertyMetadataOptions.AffectsRender, OnFormattedTextInvalidated));
@@ -41,7 +34,7 @@ namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
         }
 
         public static readonly DependencyProperty FormatProperty = DependencyProperty.Register(
-            "Format", typeof(BarcodeFormat), typeof(Barcode), new FrameworkPropertyMetadata(
+            nameof(Format), typeof(BarcodeFormat), typeof(Barcode), new FrameworkPropertyMetadata(
             BarcodeFormat.QR_CODE,
             FrameworkPropertyMetadataOptions.AffectsMeasure |
             FrameworkPropertyMetadataOptions.AffectsRender, OnFormattedTextInvalidated));
@@ -53,7 +46,7 @@ namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
         }
 
         public static readonly DependencyProperty SizeProperty = DependencyProperty.Register(
-            "Size", typeof(double), typeof(Barcode), new FrameworkPropertyMetadata(
+            nameof(Size), typeof(double), typeof(Barcode), new FrameworkPropertyMetadata(
             512d,
             FrameworkPropertyMetadataOptions.AffectsMeasure |
             FrameworkPropertyMetadataOptions.AffectsRender, OnFormattedTextInvalidated));
@@ -65,7 +58,7 @@ namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
         }
 
         public static readonly DependencyProperty IconProperty = DependencyProperty.Register(
-           "Icon", typeof(string), typeof(Barcode), new FrameworkPropertyMetadata(null, OnIconChanged));
+           nameof(Icon), typeof(string), typeof(Barcode), new FrameworkPropertyMetadata(null, OnIconChanged));
 
         public string Icon
         {
@@ -112,6 +105,20 @@ namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
 
         private void OnFormattedTextInvalidated()
         {
+#if NET5_0_OR_GREATER
+            var writer = new BarcodeWriter<Geometry>()
+            {
+                Format = Format,
+                Options = new ZXing.Common.EncodingOptions
+                {
+                    Height = (int)this.Size,
+                    Width = (int)this.Size,
+                    Margin = 0
+                }
+            };
+            var image = writer.Write(Text ?? "AIStudio画板");
+            imageBarcodeEncoderGeometry.Data = image;
+#else
             var writer = new BarcodeWriterGeometry
             {
                 Format = Format,
@@ -124,6 +131,7 @@ namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
             };
             var image = writer.Write(Text ?? "AIStudio画板");
             imageBarcodeEncoderGeometry.Data = image;
+#endif
         }
     }
 }