diff --git a/src/GameFrameX.SuperSocket.Server/Host/HostBuilderExtensions.cs b/src/GameFrameX.SuperSocket.Server/Host/HostBuilderExtensions.cs
index 038f7ad37..d17f15bc0 100644
--- a/src/GameFrameX.SuperSocket.Server/Host/HostBuilderExtensions.cs
+++ b/src/GameFrameX.SuperSocket.Server/Host/HostBuilderExtensions.cs
@@ -43,7 +43,7 @@ public static ISuperSocketHostBuilder<TReceivePackage> AsSuperSocketHostBuilder<
         /// <param name="hostBuilder">The host builder to convert.</param>
         /// <returns>An instance of <see cref="ISuperSocketHostBuilder{TReceivePackage}"/>.</returns>
         public static ISuperSocketHostBuilder<TReceivePackage> AsSuperSocketHostBuilder<TReceivePackage, TPipelineFilter>(this IHostBuilder hostBuilder)
-            where TPipelineFilter : class, IPipelineFilter<TReceivePackage>, new()
+            where TPipelineFilter : class, IPipelineFilter<TReceivePackage>
         {
             if (hostBuilder is ISuperSocketHostBuilder<TReceivePackage> ssHostBuilder)
             {
diff --git a/src/GameFrameX.SuperSocket.Server/Host/MultipleServerHostBuilder.cs b/src/GameFrameX.SuperSocket.Server/Host/MultipleServerHostBuilder.cs
index ef34e7a21..48d9e7b69 100644
--- a/src/GameFrameX.SuperSocket.Server/Host/MultipleServerHostBuilder.cs
+++ b/src/GameFrameX.SuperSocket.Server/Host/MultipleServerHostBuilder.cs
@@ -131,7 +131,7 @@ public MultipleServerHostBuilder AddServer<TReceivePackage>(Action<ISuperSocketH
         /// <returns>The updated host builder.</returns>
         public MultipleServerHostBuilder AddServer<TReceivePackage, TPipelineFilter>(Action<ISuperSocketHostBuilder<TReceivePackage>> hostBuilderDelegate, string serverName = null)
             where TReceivePackage : class
-            where TPipelineFilter : class, IPipelineFilter<TReceivePackage>, new()
+            where TPipelineFilter : class, IPipelineFilter<TReceivePackage>
         {            
             var hostBuilder = CreateServerHostBuilder<TReceivePackage>(hostBuilderDelegate, serverName);
             _hostBuilderAdapters.Add(hostBuilder);
@@ -161,7 +161,7 @@ public MultipleServerHostBuilder AddServer(IServerHostBuilderAdapter hostBuilder
         /// <returns>The updated host builder.</returns>
         public MultipleServerHostBuilder AddServer<TSuperSocketService, TReceivePackage, TPipelineFilter>(Action<SuperSocketHostBuilder<TReceivePackage>> hostBuilderDelegate, string serverName = null)
             where TReceivePackage : class
-            where TPipelineFilter : class, IPipelineFilter<TReceivePackage>, new()
+            where TPipelineFilter : class, IPipelineFilter<TReceivePackage>
             where TSuperSocketService : SuperSocketService<TReceivePackage>
         {
             var hostBuilder = CreateServerHostBuilder<TReceivePackage>(hostBuilderDelegate, serverName);