diff --git a/perf/BenchmarkApp/PerformanceTest.Client/Program.cs b/perf/BenchmarkApp/PerformanceTest.Client/Program.cs
index 284ce3c6e..c946bb662 100644
--- a/perf/BenchmarkApp/PerformanceTest.Client/Program.cs
+++ b/perf/BenchmarkApp/PerformanceTest.Client/Program.cs
@@ -52,7 +52,7 @@ async Task Main(
     // Create a control channel
     using var channelControl = GrpcChannel.ForAddress(config.Url);
     var controlServiceClient = MagicOnionClient.Create<IPerfTestControlService>(channelControl);
-    controlServiceClient.SetMemoryProfilerCollectAllocations(true);
+    await controlServiceClient.SetMemoryProfilerCollectAllocationsAsync(true);
 
     ServerInformation serverInfo;
     WriteLog("Gathering the server information...");
diff --git a/perf/BenchmarkApp/PerformanceTest.Server/PerfTestControlService.cs b/perf/BenchmarkApp/PerformanceTest.Server/PerfTestControlService.cs
index d8d62d59b..004b66d3c 100644
--- a/perf/BenchmarkApp/PerformanceTest.Server/PerfTestControlService.cs
+++ b/perf/BenchmarkApp/PerformanceTest.Server/PerfTestControlService.cs
@@ -25,7 +25,7 @@ public UnaryResult<ServerInformation> GetServerInformationAsync()
             ApplicationInformation.Current.IsAttached));
     }
 
-    public UnaryResult SetMemoryProfilerCollectAllocations(bool enable)
+    public UnaryResult SetMemoryProfilerCollectAllocationsAsync(bool enable)
     {
         MemoryProfiler.CollectAllocations(enable);
         return UnaryResult.CompletedResult;
diff --git a/perf/BenchmarkApp/PerformanceTest.Shared/IPerfTestControlService.cs b/perf/BenchmarkApp/PerformanceTest.Shared/IPerfTestControlService.cs
index e747c92e4..e4d621fed 100644
--- a/perf/BenchmarkApp/PerformanceTest.Shared/IPerfTestControlService.cs
+++ b/perf/BenchmarkApp/PerformanceTest.Shared/IPerfTestControlService.cs
@@ -9,7 +9,7 @@ public interface IPerfTestControlService : IService<IPerfTestControlService>
 {
     UnaryResult<ServerInformation> GetServerInformationAsync();
 
-    UnaryResult SetMemoryProfilerCollectAllocations(bool enable);
+    UnaryResult SetMemoryProfilerCollectAllocationsAsync(bool enable);
     UnaryResult CreateMemoryProfilerSnapshotAsync(string name);
 }
 
diff --git a/perf/Microbenchmark/Microbenchmark.Client/HubMethodBenchmarks.cs b/perf/Microbenchmark/Microbenchmark.Client/HubMethodBenchmarks.cs
index 813fe80e6..f4eaeaf88 100644
--- a/perf/Microbenchmark/Microbenchmark.Client/HubMethodBenchmarks.cs
+++ b/perf/Microbenchmark/Microbenchmark.Client/HubMethodBenchmarks.cs
@@ -44,9 +44,10 @@ public HubMethodBenchmarks()
     }
 
     [Benchmark]
-    public async Task Void_Parameter_Zero_NoReturn()
+    public Task Void_Parameter_Zero_NoReturn()
     {
         client.Void_Parameter_Zero_NoReturn();
+        return Task.CompletedTask;
     }
 
     [Benchmark]
diff --git a/samples/ChatApp/ChatApp.Console/Program.cs b/samples/ChatApp/ChatApp.Console/Program.cs
index 8bba8d700..71c1c4429 100644
--- a/samples/ChatApp/ChatApp.Console/Program.cs
+++ b/samples/ChatApp/ChatApp.Console/Program.cs
@@ -51,6 +51,7 @@ public void OnSendMessage(MessageResponse message)
     public async Task<string> HelloAsync(string name, int age)
     {
         Console.WriteLine("HelloAsync called");
+        await Task.Delay(100);
         return $"Hello {name} ({age})!; {sessionId}";
     }
 }
diff --git a/src/MagicOnion.Server.HttpGateway/Swagger/SwaggerDefinitionBuilder.cs b/src/MagicOnion.Server.HttpGateway/Swagger/SwaggerDefinitionBuilder.cs
index 2b848129f..8744aeff2 100644
--- a/src/MagicOnion.Server.HttpGateway/Swagger/SwaggerDefinitionBuilder.cs
+++ b/src/MagicOnion.Server.HttpGateway/Swagger/SwaggerDefinitionBuilder.cs
@@ -166,7 +166,9 @@ Schemas.Parameter[] BuildParameters(IDictionary<string, Schema> definitions, Xml
                 {
                     BuildSchema(definitions, x.ParameterType);
                     refSchema = new Schema { @ref = BuildSchema(definitions, x.ParameterType) };
+#pragma warning disable SYSLIB0050
                     var unknownObj = System.Runtime.Serialization.FormatterServices.GetUninitializedObject(x.ParameterType);
+#pragma warning restore SYSLIB0050
                     defaultObjectExample = JsonConvert.SerializeObject(unknownObj, new[] { new Newtonsoft.Json.Converters.StringEnumConverter() });
                     swaggerDataType = "string"; // object can not attach formData.
                 }
@@ -488,4 +490,4 @@ protected override JsonProperty CreateProperty(MemberInfo member, MemberSerializ
 
         return property;
     }
-}
\ No newline at end of file
+}
diff --git a/tests/MagicOnion.Integration.Tests/StreamingHubClientResultTest.cs b/tests/MagicOnion.Integration.Tests/StreamingHubClientResultTest.cs
index 511f0deb1..c715a588d 100644
--- a/tests/MagicOnion.Integration.Tests/StreamingHubClientResultTest.cs
+++ b/tests/MagicOnion.Integration.Tests/StreamingHubClientResultTest.cs
@@ -8,7 +8,7 @@
 
 namespace MagicOnion.Integration.Tests;
 
-public class StreamingHubClientResultTest(MagicOnionApplicationFactory<StreamingHubClientResultTestHub> factory, ITestOutputHelper testOutputHelper) : IClassFixture<MagicOnionApplicationFactory<StreamingHubClientResultTestHub>>
+public class StreamingHubClientResultTest(MagicOnionApplicationFactory<StreamingHubClientResultTestHub> factory) : IClassFixture<MagicOnionApplicationFactory<StreamingHubClientResultTestHub>>
 {
     readonly MagicOnionApplicationFactory<StreamingHubClientResultTestHub> factory = factory;