diff --git a/Blazor.WebForm.Components.1.1.7.2.nupkg b/Blazor.WebForm.Components.1.1.7.2.nupkg
deleted file mode 100644
index 5db5f49..0000000
Binary files a/Blazor.WebForm.Components.1.1.7.2.nupkg and /dev/null differ
diff --git a/Blazor.WebForm.Components.1.1.7.3.nupkg b/Blazor.WebForm.Components.1.1.7.3.nupkg
new file mode 100644
index 0000000..16362e2
Binary files /dev/null and b/Blazor.WebForm.Components.1.1.7.3.nupkg differ
diff --git a/Blazor.WebForm.Components/Base/ControlComponentExtensions.cs b/Blazor.WebForm.Components/Base/ControlComponentExtensions.cs
index 8e5e682..44d552d 100644
--- a/Blazor.WebForm.Components/Base/ControlComponentExtensions.cs
+++ b/Blazor.WebForm.Components/Base/ControlComponentExtensions.cs
@@ -19,7 +19,7 @@ public static class ControlComponentExtensions
         private class ControlComponentReflection<T> where T : Control, new()
         {
             public delegate void SendMessageExtension(ControlComponent<T> component, string command, params object[] arguments);
-            public static SendMessageExtension SendMessageExtensionMethod = new ComponentOperator().ConvertToExtensionMethod<ControlComponent<T>, SendMessageExtension>("SendMessage", new Type[] { typeof(string), typeof(object[]) }, BindingFlags.Instance | BindingFlags.NonPublic);
+            public static readonly SendMessageExtension SendMessageExtensionMethod = new ComponentOperator().ConvertToExtensionMethod<ControlComponent<T>, SendMessageExtension>("SendMessage", new Type[] { typeof(string), typeof(object[]) }, BindingFlags.Instance | BindingFlags.NonPublic);
         }
     }
 }
diff --git a/Blazor.WebForm.Components/Blazor.WebForm.Components.csproj b/Blazor.WebForm.Components/Blazor.WebForm.Components.csproj
index 83993f2..6cec613 100644
--- a/Blazor.WebForm.Components/Blazor.WebForm.Components.csproj
+++ b/Blazor.WebForm.Components/Blazor.WebForm.Components.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>net5.0</TargetFramework>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>Blazor.WebForm.Components.pfx</AssemblyOriginatorKeyFile>
-    <Version>1.1.7.2</Version>
+    <Version>1.1.7.3</Version>
     <RootNamespace>asp</RootNamespace>
     <Copyright>Jurio li</Copyright>
     <AssemblyName>Blazor.WebForm.Components</AssemblyName>
@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Applied" Version="1.2.1.5" />
-    <PackageReference Include="Blazor.WebForm.UI" Version="1.1.7.2" />
+    <PackageReference Include="Blazor.WebForm.UI" Version="1.1.7.3" />
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="5.0.8" />
   </ItemGroup>