diff --git a/src/Contrib/StackSdks/Masa.Contrib.StackSdks.Tsc.OpenTelemetry/Extensions/ServiceExtensions.cs b/src/Contrib/StackSdks/Masa.Contrib.StackSdks.Tsc.OpenTelemetry/Extensions/ServiceExtensions.cs
index 42ab7f79c..f5c8003e9 100644
--- a/src/Contrib/StackSdks/Masa.Contrib.StackSdks.Tsc.OpenTelemetry/Extensions/ServiceExtensions.cs
+++ b/src/Contrib/StackSdks/Masa.Contrib.StackSdks.Tsc.OpenTelemetry/Extensions/ServiceExtensions.cs
@@ -67,7 +67,7 @@ public static IServiceCollection AddObservable(this IServiceCollection services,
         return services;
     }
 
-    public static IApplicationBuilder UseMASAHttpReponseLog(IApplicationBuilder app)
+    public static IApplicationBuilder UseMASAHttpReponseLog(this IApplicationBuilder app)
     {
         return app.UseMiddleware<HttpResponseMiddleware>();
     }
diff --git a/src/Contrib/StackSdks/Masa.Contrib.StackSdks.Tsc.OpenTelemetry/Traceing/ServiceExtensions.cs b/src/Contrib/StackSdks/Masa.Contrib.StackSdks.Tsc.OpenTelemetry/Traceing/ServiceExtensions.cs
index c01bd15b9..6ba18572b 100644
--- a/src/Contrib/StackSdks/Masa.Contrib.StackSdks.Tsc.OpenTelemetry/Traceing/ServiceExtensions.cs
+++ b/src/Contrib/StackSdks/Masa.Contrib.StackSdks.Tsc.OpenTelemetry/Traceing/ServiceExtensions.cs
@@ -1,8 +1,6 @@
 // Copyright (c) MASA Stack All rights reserved.
 // Licensed under the Apache License. See LICENSE.txt in the project root for license information.
 
-using StackExchange.Redis;
-
 namespace Microsoft.Extensions.DependencyInjection;
 
 public static partial class ServiceExtensions