diff --git a/demo/Ursa.Demo.Android/Icon.png b/demo/Ursa.Demo.Android/Icon.png
index 41a2a61..b128518 100644
Binary files a/demo/Ursa.Demo.Android/Icon.png and b/demo/Ursa.Demo.Android/Icon.png differ
diff --git a/demo/Ursa.Demo.Android/MainActivity.cs b/demo/Ursa.Demo.Android/MainActivity.cs
index 2b4d4d6..716383b 100644
--- a/demo/Ursa.Demo.Android/MainActivity.cs
+++ b/demo/Ursa.Demo.Android/MainActivity.cs
@@ -1,20 +1,17 @@
 using Android.App;
 using Android.Content.PM;
-using Avalonia;
 using Avalonia.Android;
 
 namespace Ursa.Demo.Android;
 
 [Activity(
-    Label = "Ursa.Demo.Android",
+    Label = "Ursa",
     Theme = "@style/MyTheme.NoActionBar",
     Icon = "@drawable/icon",
     MainLauncher = true,
+    LaunchMode = LaunchMode.SingleTop, 
     ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize | ConfigChanges.UiMode)]
 public class MainActivity : AvaloniaMainActivity<App>
 {
-    protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
-    {
-        return base.CustomizeAppBuilder(builder);
-    }
+
 }
\ No newline at end of file
diff --git a/demo/Ursa.Demo.Android/Properties/AndroidManifest.xml b/demo/Ursa.Demo.Android/Properties/AndroidManifest.xml
index a08e038..1142897 100644
--- a/demo/Ursa.Demo.Android/Properties/AndroidManifest.xml
+++ b/demo/Ursa.Demo.Android/Properties/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:installLocation="auto">
 	<uses-permission android:name="android.permission.INTERNET" />
-	<application android:label="Ursa.Demo" android:icon="@drawable/Icon" />
+	<application android:label="Ursa" android:icon="@drawable/Icon" />
 </manifest>
diff --git a/demo/Ursa.Demo.Android/Ursa.Demo.Android.csproj b/demo/Ursa.Demo.Android/Ursa.Demo.Android.csproj
index 63059bc..4071d05 100644
--- a/demo/Ursa.Demo.Android/Ursa.Demo.Android.csproj
+++ b/demo/Ursa.Demo.Android/Ursa.Demo.Android.csproj
@@ -4,11 +4,13 @@
         <TargetFramework>net7.0-android</TargetFramework>
         <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
         <Nullable>enable</Nullable>
-        <ApplicationId>com.irihitech.Ursa.Demo</ApplicationId>
+        <ApplicationId>com.irihitech.Ursa</ApplicationId>
         <ApplicationVersion>1</ApplicationVersion>
         <ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
         <AndroidPackageFormat>apk</AndroidPackageFormat>
         <AndroidEnableProfiledAot>False</AndroidEnableProfiledAot>
+        <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
+        <RootNamespace>Ursa.Demo.Android</RootNamespace>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/demo/Ursa.Demo.Browser/AppBundle/Logo.svg b/demo/Ursa.Demo.Browser/AppBundle/Logo.svg
index 9685a23..4cb587d 100644
--- a/demo/Ursa.Demo.Browser/AppBundle/Logo.svg
+++ b/demo/Ursa.Demo.Browser/AppBundle/Logo.svg
@@ -1,5 +1,60 @@
-<svg width="35" height="35" viewBox="0 0 35 35" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M30.4661 34.928C30.5364 34.928 30.6052 34.928 30.6754 34.928C32.8596 34.928 34.654 33.2918 34.9053 31.1752L34.9356 16.9955C34.6872 7.56697 26.9662 0 17.4777 0C7.83263 0 0.0137329 7.8189 0.0137329 17.464C0.0137329 27.0059 7.66618 34.7631 17.1687 34.928H30.4661Z" fill="white"/>
-<path fill-rule="evenodd" clip-rule="evenodd" d="M17.5239 5.948C12.0268 5.948 7.42967 9.80117 6.286 14.954C7.38092 15.2609 8.18385 16.2664 8.18385 17.4593C8.18385 18.6523 7.38092 19.6577 6.286 19.9647C7.42966 25.1175 12.0268 28.9706 17.5239 28.9706C19.525 28.9706 21.4068 28.4601 23.0462 27.562V28.8927H29.0352V17.9365C29.0407 17.7908 29.0352 17.6063 29.0352 17.4593C29.0352 11.1018 23.8814 5.948 17.5239 5.948ZM12.0098 17.4593C12.0098 14.414 14.4786 11.9452 17.5239 11.9452C20.5693 11.9452 23.038 14.414 23.038 17.4593C23.038 20.5047 20.5693 22.9734 17.5239 22.9734C14.4786 22.9734 12.0098 20.5047 12.0098 17.4593Z" fill="#8B44AC"/>
-<path d="M7.36841 17.4517C7.36841 18.4691 6.54368 19.2938 5.52631 19.2938C4.50894 19.2938 3.6842 18.4691 3.6842 17.4517C3.6842 16.4343 4.50894 15.6096 5.52631 15.6096C6.54368 15.6096 7.36841 16.4343 7.36841 17.4517Z" fill="#8B44AC"/>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="150mm"
+   height="150mm"
+   viewBox="0 0 150 150"
+   version="1.1"
+   id="svg5"
+   inkscape:version="1.2 (dc2aedaf03, 2022-05-15)"
+   sodipodi:docname="Ursa.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview7"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     showgrid="false"
+     inkscape:zoom="1.0733976"
+     inkscape:cx="420.62698"
+     inkscape:cy="287.40515"
+     inkscape:window-width="1920"
+     inkscape:window-height="1009"
+     inkscape:window-x="1072"
+     inkscape:window-y="828"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1"
+     showguides="false" />
+  <defs
+     id="defs2" />
+  <g
+     inkscape:label="图层 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       style="fill:#8b44ac;fill-opacity:1;stroke-width:2.97966"
+       d="m 100.35265,84.999841 -11.092124,18.358659 17.500904,21.64134 23.53993,-0.12158 -6.16228,-5.95745 -10.47589,-28.936171 z"
+       id="path1564" />
+    <path
+       id="path3903"
+       style="fill:#8b44ac;fill-opacity:1;stroke-width:2.83662"
+       d="m 58.540112,25.000052 a 49.753061,49.999968 0 0 0 -49.2796799,43.280563 7.450939,7.4879154 0 0 1 5.4151739,7.202144 7.450939,7.4879154 0 0 1 -5.2958013,7.166488 49.753061,49.999968 0 0 0 49.1603073,42.350383 49.753061,49.999968 0 0 0 0.720369,-0.01 V 99.953617 A 25,25 0 0 1 35.260396,74.999585 25,25 0 0 1 59.260481,50.046069 V 25.009871 a 49.753061,49.999968 0 0 0 -0.720369,-0.0098 z" />
+    <path
+       id="path7668"
+       style="fill:#8b44ac;stroke-width:0.284365"
+       d="m 12.260526,75.499841 a 5,5 0 0 1 -5.0000003,5 5,5 0 0 1 -5,-5 5,5 0 0 1 5,-5 5,5 0 0 1 5.0000003,5 z" />
+    <path
+       id="path1349"
+       style="display:inline;fill:#000000;fill-opacity:1;stroke-width:2.95471"
+       d="m 64.835335,25.001086 c -0.252232,0.0049 -0.418027,0.02606 -0.489376,0.06253 l -0.02119,25.128183 A 25,25 0 0 1 86.260384,74.999585 25,25 0 0 1 64.282397,99.794454 l -0.0217,25.205176 h 19.51405 L 75.815026,116.82235 97.383219,78.001469 132.8162,93.667696 145.39786,81.014205 135.98293,69.221643 133.75775,57.773246 112.01851,33.92974 109.4507,40.816141 C 91.909393,28.568672 68.61881,24.927601 64.835335,25.001086 Z" />
+  </g>
 </svg>
diff --git a/demo/Ursa.Demo.Browser/AppBundle/favicon.ico b/demo/Ursa.Demo.Browser/AppBundle/favicon.ico
index da8d49f..da28783 100644
Binary files a/demo/Ursa.Demo.Browser/AppBundle/favicon.ico and b/demo/Ursa.Demo.Browser/AppBundle/favicon.ico differ
diff --git a/demo/Ursa.Demo.Browser/AppBundle/index.html b/demo/Ursa.Demo.Browser/AppBundle/index.html
index 5f6cc18..184f7ca 100644
--- a/demo/Ursa.Demo.Browser/AppBundle/index.html
+++ b/demo/Ursa.Demo.Browser/AppBundle/index.html
@@ -18,10 +18,10 @@
             <div class="center">
                 <h2 class="purple">
                     Powered by
-                    <a class="highlight" href="https://www.avaloniaui.net/" target="_blank">Avalonia UI</a>
+                    <a class="highlight" href="https://github.com/irihitech/Ursa.Avalonia/" target="_blank">Ursa</a>
                 </h2>
             </div>
-            <img class="icon" src="Logo.svg" alt="Avalonia Logo" />
+            <img class="icon" src="Logo.svg" alt="Ursa Logo" />
         </div>
     </div>
     <script type='module' src="./main.js"></script>