diff --git a/Disp/RenderingCanvas.cs b/Disp/RenderingCanvas.cs
index 6045689..5ae8f8e 100644
--- a/Disp/RenderingCanvas.cs
+++ b/Disp/RenderingCanvas.cs
@@ -13,6 +13,15 @@ using Hi.Geom;
 namespace Hi.Wpf.Disp
 {
     #region WPF Rendering Canvas
+    /// <summary>
+    /// Provides a WPF rendering canvas for 3D visualization of HiAPI components.
+    /// Handles user interactions, rendering, and integration with the DispEngine system.
+    /// </summary>
+    /// <remarks>
+    /// This canvas provides the core rendering capabilities for WPF applications using HiAPI.
+    /// It manages mouse, keyboard, and touch events, and transforms them into appropriate
+    /// actions in the 3D environment.
+    /// </remarks>
     public class RenderingCanvas : UserControl, IDisposable
     {
         #region Core_Properties
diff --git a/Disp/RenderingWindow.cs b/Disp/RenderingWindow.cs
index 2af8d94..35dbd09 100644
--- a/Disp/RenderingWindow.cs
+++ b/Disp/RenderingWindow.cs
@@ -11,6 +11,9 @@ namespace Hi.Wpf.Disp
     /// </summary>
     public class RenderingWindow : Window, IGetDispEngine
     {
+        /// <summary>
+        /// Gets the rendering canvas control used for displaying 3D content.
+        /// </summary>
         public RenderingCanvas RenderingCanvas => Content as RenderingCanvas;
 
         /// <summary>
@@ -35,29 +38,19 @@ namespace Hi.Wpf.Disp
         /// <inheritdoc/>
         public DispEngine GetDispEngine() => RenderingCanvas.DispEngine;
         /// <summary>
-        /// Run a simple <see cref="RenderingWindow"/> application with given <paramref name="displayees"/>.
+        /// Gets or sets the current displayable 3D object.
+        /// When setting a new displayee, the view will be reset to home position if no previous displayee was set.
         /// </summary>
-        /// <param name="title">Title</param>
-        /// <param name="displayees">displayees</param>
-        /// <returns>return value of <see cref="Application"/>.<see cref="Application.Run(Window)"/></returns>
-        public static int RunApplication(string title, params IDisplayee[] displayees)
+        public IDisplayee Displayee
         {
-            License.LogInAll();
-            DispEngine.Init();
-
-            Application app = new Application
+            get => GetDispEngine().Displayee;
+            set
             {
-                ShutdownMode = ShutdownMode.OnMainWindowClose
-            };
-            app.Exit += (o, e) =>
-            {
-                DispEngine.FinishDisp();
-                License.LogOutAll();
-            };
-            RenderingWindow window = new RenderingWindow() { Title = title };
-            window.RenderingCanvas.DispEngine.Displayee = new DispList(displayees);
-            window.RenderingCanvas.DispEngine.SetViewToHomeView();
-            return app.Run(window);
+                var preDisplayee = GetDispEngine().Displayee;
+                GetDispEngine().Displayee = value;
+                if (preDisplayee == null)
+                    RenderingCanvas.DispEngine.SetViewToHomeView();
+            }
         }
     }
 }
diff --git a/Hi.Wpf.csproj b/Hi.Wpf.csproj
index 531b216..3f19106 100644
--- a/Hi.Wpf.csproj
+++ b/Hi.Wpf.csproj
@@ -12,16 +12,18 @@
 			HiAPI samples for windows platform.
 		</Description>
     <Configurations>Debug;Release</Configurations>
-    <VersionBuild>3</VersionBuild>
+    <VersionBuild>15</VersionBuild>
     <VersionPrefix>1.4.$(VersionBuild)</VersionPrefix>
+    <PackageTags>HiAPI</PackageTags>
+    <RuntimeIdentifiers>win-x64</RuntimeIdentifiers>
     <Product>$(AssemblyName)</Product>
     <ApplicationIcon>techcoordinate.ico</ApplicationIcon>
-    <Copyright>Copyright 2022 Tech Coordinate Co., Ltd.</Copyright>
+    <Copyright>Copyright 2025 Tech Coordinate Co., Ltd.</Copyright>
     <Company>Tech Coordinate Co., Ltd.</Company>
     <Authors>Tech Coordinate Co., Ltd.</Authors>
-    <OutputPath>bin\$(Platform).$(Configuration)\</OutputPath>
     <StartupObject>Hi.Wpf.Program</StartupObject>
   </PropertyGroup>
+  <Import Project="..\acc\common_info.props" />
   <ItemGroup Condition="'$(Configuration)'=='Debug'">
     <ProjectReference Include="..\HiDisp\HiDisp.csproj" />
   </ItemGroup>
@@ -37,4 +39,5 @@
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
     <DefineConstants>DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <Import Project="..\acc\deploy_local_nupkg.targets" Condition="'$(Configuration)'=='Release'" />
 </Project>
\ No newline at end of file
diff --git a/Program.cs b/Program.cs
index 1c7b276..0f079b7 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,19 +1,36 @@
 using Hi.Disp;
 using Hi.Disp.Flag;
 using Hi.Geom;
+using Hi.Licenses;
 using Hi.Wpf.Disp;
 using System;
+using System.Windows;
 
 namespace Hi.Wpf
 {
     static class Program
     {
         [STAThread]
-        public static void Main(string[] args)
+        public static int Main(string[] args)
         {
+            License.LogInAll();
             DispEngine.Init();
-            RenderingWindow.RunApplication("test",
+
+            Application app = new Application
+            {
+                ShutdownMode = ShutdownMode.OnMainWindowClose
+            };
+            app.Exit += (o, e) =>
+            {
+                DispEngine.FinishDisp();
+                License.LogOutAll();
+                Console.WriteLine($"App exit.");
+            };
+            RenderingWindow window = new RenderingWindow() { Title = "Demo WPF RenderingCanvas" };
+            window.RenderingCanvas.DispEngine.Displayee = new DispList(
                 new CoordinateDrawing(), new Stl(Box3d.CenterUnitBox).ToFaceDrawing());
+            window.RenderingCanvas.DispEngine.SetViewToHomeView();
+            return app.Run(window);
         }
     }
 }