diff --git a/Disp/RenderingCanvas.cs b/Disp/RenderingCanvas.cs
index d8511c9..39bb2d4 100644
--- a/Disp/RenderingCanvas.cs
+++ b/Disp/RenderingCanvas.cs
@@ -11,7 +11,7 @@ using System.Collections.Generic;
 using Hi.Geom;
 using Microsoft.Win32;  // Add this for SystemEvents
 
-namespace Hi.Wpf.Disp
+namespace Hi.WpfPlus.Disp
 {
     #region WPF Rendering Canvas
     /// <summary>
diff --git a/Disp/RenderingWindow.cs b/Disp/RenderingWindow.cs
index 35dbd09..b13fc6b 100644
--- a/Disp/RenderingWindow.cs
+++ b/Disp/RenderingWindow.cs
@@ -1,10 +1,9 @@
 using Hi.Disp;
-using Hi.Licenses;
 using System;
 using System.Windows;
 using System.Windows.Media;
 
-namespace Hi.Wpf.Disp
+namespace Hi.WpfPlus.Disp
 {
     /// <summary>
     /// Window for 3D rendering.
diff --git a/Hi.Wpf.csproj b/Hi.WpfPlus.csproj
similarity index 90%
rename from Hi.Wpf.csproj
rename to Hi.WpfPlus.csproj
index 45a98e6..9c22471 100644
--- a/Hi.Wpf.csproj
+++ b/Hi.WpfPlus.csproj
@@ -6,14 +6,15 @@
     <TargetFramework>net9.0-windows</TargetFramework>
     <Platforms>x64</Platforms>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <AssemblyName>Hi.Wpf</AssemblyName>
+    <AssemblyName>Hi.WpfPlus</AssemblyName>
     <RootNamespace>$(AssemblyName)</RootNamespace>
     <Description>
 			HiAPI wpf canvas.
 		</Description>
     <Configurations>Debug;Release</Configurations>
-    <VersionBuild>84</VersionBuild>
+    <VersionBuild>85</VersionBuild>
     <VersionPrefix>3.1.$(VersionBuild)</VersionPrefix>
+    <PackageId>Hi.WpfPlus</PackageId>
     <PackageTags>HiAPI</PackageTags>
     <RuntimeIdentifiers>win-x64</RuntimeIdentifiers>
     <Product>$(AssemblyName)</Product>
@@ -21,7 +22,7 @@
     <Copyright>Copyright 2025 Tech Coordinate Co., Ltd.</Copyright>
     <Company>Tech Coordinate Co., Ltd.</Company>
     <Authors>Tech Coordinate Co., Ltd.</Authors>
-    <StartupObject>Hi.Wpf.Program</StartupObject>
+    <StartupObject>Hi.WpfPlus.Program</StartupObject>
   </PropertyGroup>
   <Import Project="..\acc\common_info.props" />
   <ItemGroup Condition="'$(Configuration)'=='Debug'">
diff --git a/Hi.Wpf.sln b/Hi.WpfPlus.sln
similarity index 88%
rename from Hi.Wpf.sln
rename to Hi.WpfPlus.sln
index cab1277..591774c 100644
--- a/Hi.Wpf.sln
+++ b/Hi.WpfPlus.sln
@@ -2,7 +2,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.5.2.0
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Hi.Wpf", "Hi.Wpf.csproj", "{91AB5E3A-A30A-6142-C83E-5EE726B5FA0C}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Hi.WpfPlus", "Hi.WpfPlus.csproj", "{91AB5E3A-A30A-6142-C83E-5EE726B5FA0C}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/Program.cs b/Program.cs
index 0f079b7..727594a 100644
--- a/Program.cs
+++ b/Program.cs
@@ -2,11 +2,11 @@
 using Hi.Disp.Flag;
 using Hi.Geom;
 using Hi.Licenses;
-using Hi.Wpf.Disp;
+using Hi.WpfPlus.Disp;
 using System;
 using System.Windows;
 
-namespace Hi.Wpf
+namespace Hi.WpfPlus
 {
     static class Program
     {