diff --git a/Logo/sunlight_logo.ico b/Logo/sunlight_logo.ico
new file mode 100644
index 0000000..2fe6131
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diff --git a/Logo/sunlight_logo.jpg b/Logo/sunlight_logo.jpg
new file mode 100644
index 0000000..1b98457
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diff --git a/Logo/sunlight_logotext.jpg b/Logo/sunlight_logotext.jpg
new file mode 100644
index 0000000..fee7f29
Binary files /dev/null and b/Logo/sunlight_logotext.jpg differ
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index 3fbc140..f583fc0 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -10,9 +10,9 @@ using System.Windows;
 [assembly: AssemblyTitle("formula_manage")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("SUNLIGHT")]
 [assembly: AssemblyProduct("formula_manage")]
-[assembly: AssemblyCopyright("Copyright ©  2023")]
+[assembly: AssemblyCopyright("SUNLIGHT ©  2023")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/formula_manage.csproj b/formula_manage.csproj
index 339b183..1aeb330 100644
--- a/formula_manage.csproj
+++ b/formula_manage.csproj
@@ -53,6 +53,9 @@
   <PropertyGroup>
     <SignManifests>false</SignManifests>
   </PropertyGroup>
+  <PropertyGroup>
+    <ApplicationIcon>sunlight_logo.ico</ApplicationIcon>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="CommonServiceLocator, Version=2.0.2.0, Culture=neutral, PublicKeyToken=489b6accfaf20ef0, processorArchitecture=MSIL">
       <HintPath>packages\CommonServiceLocator.2.0.2\lib\net45\CommonServiceLocator.dll</HintPath>
@@ -249,5 +252,8 @@
   <ItemGroup>
     <Folder Include="UserControls\" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="sunlight_logo.ico" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/sunlight_logo.ico b/sunlight_logo.ico
new file mode 100644
index 0000000..2fe6131
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