diff --git a/FastGithub.Core/FastGithub.Core.csproj b/FastGithub.Core/FastGithub.Core.csproj
index 9b80a69..bbb414c 100644
--- a/FastGithub.Core/FastGithub.Core.csproj
+++ b/FastGithub.Core/FastGithub.Core.csproj
@@ -3,6 +3,7 @@
 	<PropertyGroup>
 		<TargetFramework>net5.0</TargetFramework>
 		<Nullable>enable</Nullable>
+		<RootNamespace>FastGithub</RootNamespace>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/FastGithub.Scanner/IGithubScanMiddleware.cs b/FastGithub.Core/IMiddleware.cs
similarity index 63%
rename from FastGithub.Scanner/IGithubScanMiddleware.cs
rename to FastGithub.Core/IMiddleware.cs
index d1cdf62..5eeb445 100644
--- a/FastGithub.Scanner/IGithubScanMiddleware.cs
+++ b/FastGithub.Core/IMiddleware.cs
@@ -1,12 +1,13 @@
 using System;
 using System.Threading.Tasks;
 
-namespace FastGithub.Scanner
+namespace FastGithub
 {
     /// <summary>
     /// 定义中间件的接口
-    /// </summary> 
-    interface IGithubScanMiddleware
+    /// </summary>
+    /// <typeparam name="TContext"></typeparam>
+    public interface IMiddleware<TContext>
     {
         /// <summary>
         /// 执行中间件
@@ -14,6 +15,6 @@ namespace FastGithub.Scanner
         /// <param name="context">上下文</param>
         /// <param name="next">下一个中间件</param>
         /// <returns></returns>
-        Task InvokeAsync(GithubContext context, Func<Task> next);
+        Task InvokeAsync(TContext context, Func<Task> next);
     }
 }
diff --git a/FastGithub.Core/IPipelineBuilder.cs b/FastGithub.Core/IPipelineBuilder.cs
new file mode 100644
index 0000000..2c68118
--- /dev/null
+++ b/FastGithub.Core/IPipelineBuilder.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Threading.Tasks;
+
+namespace FastGithub
+{
+    /// <summary>
+    /// 定义中间件管道创建者的接口
+    /// </summary>
+    /// <typeparam name="TContext">中间件上下文</typeparam>
+    public interface IPipelineBuilder<TContext>
+    {
+        /// <summary>
+        /// 获取服务提供者
+        /// </summary>
+        IServiceProvider AppServices { get; }
+
+        /// <summary>
+        /// 使用中间件
+        /// </summary>
+        /// <typeparam name="TContext"></typeparam>
+        /// <typeparam name="TMiddleware"></typeparam>
+        /// <param name="builder"></param>
+        /// <returns></returns>
+        IPipelineBuilder<TContext> Use<TMiddleware>() where TMiddleware : class, IMiddleware<TContext>;
+
+        /// <summary>
+        /// 使用中间件
+        /// </summary>
+        /// <typeparam name="TContext"></typeparam>
+        /// <param name="builder"></param>
+        /// <param name="middleware"></param>
+        /// <returns></returns>
+        IPipelineBuilder<TContext> Use(Func<TContext, Func<Task>, Task> middleware); 
+
+        /// <summary>
+        /// 使用中间件
+        /// </summary>
+        /// <param name="middleware">中间件</param>
+        /// <returns></returns>
+        IPipelineBuilder<TContext> Use(Func<InvokeDelegate<TContext>, InvokeDelegate<TContext>> middleware);
+
+        /// <summary>
+        /// 创建所有中间件执行处理者
+        /// </summary>
+        /// <returns></returns>
+        InvokeDelegate<TContext> Build();
+
+        /// <summary>
+        /// 使用默认配制创建新的PipelineBuilder
+        /// </summary>
+        /// <returns></returns>
+        IPipelineBuilder<TContext> New();
+    }
+}
diff --git a/FastGithub.Scanner/GithubScanDelegate.cs b/FastGithub.Core/InvokeDelegate.cs
similarity index 50%
rename from FastGithub.Scanner/GithubScanDelegate.cs
rename to FastGithub.Core/InvokeDelegate.cs
index 7ae6c83..985d433 100644
--- a/FastGithub.Scanner/GithubScanDelegate.cs
+++ b/FastGithub.Core/InvokeDelegate.cs
@@ -1,11 +1,12 @@
 using System.Threading.Tasks;
 
-namespace FastGithub.Scanner
+namespace FastGithub
 {
     /// <summary>
     /// 表示所有中间件执行委托
-    /// </summary> 
+    /// </summary>
+    /// <typeparam name="TContext">中间件上下文类型</typeparam>
     /// <param name="context">中间件上下文</param>
     /// <returns></returns>
-    delegate Task GithubScanDelegate(GithubContext context);
+    public delegate Task InvokeDelegate<TContext>(TContext context);
 }
diff --git a/FastGithub.Core/PipelineBuilder.cs b/FastGithub.Core/PipelineBuilder.cs
new file mode 100644
index 0000000..ae5cf02
--- /dev/null
+++ b/FastGithub.Core/PipelineBuilder.cs
@@ -0,0 +1,103 @@
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace FastGithub
+{
+    /// <summary>
+    /// 表示中间件创建者
+    /// </summary>
+    public class PipelineBuilder<TContext> : IPipelineBuilder<TContext>
+    {
+        private readonly InvokeDelegate<TContext> completedHandler;
+        private readonly List<Func<InvokeDelegate<TContext>, InvokeDelegate<TContext>>> middlewares = new List<Func<InvokeDelegate<TContext>, InvokeDelegate<TContext>>>();
+
+        /// <summary>
+        /// 获取服务提供者
+        /// </summary>
+        public IServiceProvider AppServices { get; }
+
+        /// <summary>
+        /// 中间件创建者
+        /// </summary>
+        /// <param name="appServices"></param>
+        public PipelineBuilder(IServiceProvider appServices)
+            : this(appServices, context => Task.CompletedTask)
+        {
+        }
+
+        /// <summary>
+        /// 中间件创建者
+        /// </summary>
+        /// <param name="appServices"></param>
+        /// <param name="completedHandler">完成执行内容处理者</param>
+        public PipelineBuilder(IServiceProvider appServices, InvokeDelegate<TContext> completedHandler)
+        {
+            this.AppServices = appServices;
+            this.completedHandler = completedHandler;
+        }
+
+
+        /// <summary>
+        /// 使用中间件
+        /// </summary>
+        /// <typeparam name="TContext"></typeparam>
+        /// <typeparam name="TMiddleware"></typeparam>
+        /// <param name="builder"></param>
+        /// <returns></returns>
+        public IPipelineBuilder<TContext> Use<TMiddleware>() where TMiddleware : class, IMiddleware<TContext>
+        {
+            var middleware = this.AppServices.GetRequiredService<TMiddleware>();
+            return this.Use(middleware.InvokeAsync);
+        }
+
+        /// <summary>
+        /// 使用中间件
+        /// </summary>
+        /// <typeparam name="TContext"></typeparam>
+        /// <param name="builder"></param>
+        /// <param name="middleware"></param>
+        /// <returns></returns>
+        public IPipelineBuilder<TContext> Use(Func<TContext, Func<Task>, Task> middleware)
+        {
+            return this.Use(next => context => middleware(context, () => next(context)));
+        }
+
+        /// <summary>
+        /// 使用中间件
+        /// </summary>
+        /// <param name="middleware"></param>
+        /// <returns></returns>
+        public IPipelineBuilder<TContext> Use(Func<InvokeDelegate<TContext>, InvokeDelegate<TContext>> middleware)
+        {
+            this.middlewares.Add(middleware);
+            return this;
+        }
+
+
+        /// <summary>
+        /// 创建所有中间件执行处理者
+        /// </summary>
+        /// <returns></returns>
+        public InvokeDelegate<TContext> Build()
+        {
+            var handler = this.completedHandler;
+            for (var i = this.middlewares.Count - 1; i >= 0; i--)
+            {
+                handler = this.middlewares[i](handler);
+            }
+            return handler;
+        }
+
+
+        /// <summary>
+        /// 使用默认配制创建新的PipelineBuilder
+        /// </summary>
+        /// <returns></returns>
+        public IPipelineBuilder<TContext> New()
+        {
+            return new PipelineBuilder<TContext>(this.AppServices, this.completedHandler);
+        }
+    }
+}
\ No newline at end of file
diff --git a/FastGithub.Core/PipelineBuilderExtensions.cs b/FastGithub.Core/PipelineBuilderExtensions.cs
new file mode 100644
index 0000000..67a585b
--- /dev/null
+++ b/FastGithub.Core/PipelineBuilderExtensions.cs
@@ -0,0 +1,71 @@
+using System;
+
+namespace FastGithub
+{
+    /// <summary>
+    /// 中间件创建者扩展
+    /// </summary>
+    public static class PipelineBuilderExtensions
+    {
+        /// <summary>
+        /// 中断执行中间件
+        /// </summary>
+        /// <typeparam name="TContext"></typeparam>
+        /// <param name="builder"></param>
+        /// <param name="handler">处理者</param>
+        /// <returns></returns>
+        public static IPipelineBuilder<TContext> Run<TContext>(this IPipelineBuilder<TContext> builder, InvokeDelegate<TContext> handler)
+        {
+            return builder.Use(_ => handler);
+        }
+
+        /// <summary>
+        /// 条件中间件
+        /// </summary>
+        /// <typeparam name="TContext"></typeparam>
+        /// <param name="builder"></param>
+        /// <param name="predicate"></param>
+        /// <param name="handler"></param> 
+        /// <returns></returns>
+        public static IPipelineBuilder<TContext> When<TContext>(this IPipelineBuilder<TContext> builder, Func<TContext, bool> predicate, InvokeDelegate<TContext> handler)
+        {
+            return builder.Use(next => async context =>
+            {
+                if (predicate.Invoke(context) == true)
+                {
+                    await handler.Invoke(context);
+                }
+                else
+                {
+                    await next(context);
+                }
+            });
+        }
+
+
+        /// <summary>
+        /// 条件中间件
+        /// </summary>
+        /// <typeparam name="TContext"></typeparam>
+        /// <param name="builder"></param>
+        /// <param name="predicate"></param>
+        /// <param name="configureAction"></param>
+        /// <returns></returns>
+        public static IPipelineBuilder<TContext> When<TContext>(this IPipelineBuilder<TContext> builder, Func<TContext, bool> predicate, Action<IPipelineBuilder<TContext>> configureAction)
+        {
+            return builder.Use(next => async context =>
+            {
+                if (predicate.Invoke(context) == true)
+                {
+                    var branchBuilder = builder.New();
+                    configureAction(branchBuilder);
+                    await branchBuilder.Build().Invoke(context);
+                }
+                else
+                {
+                    await next(context);
+                }
+            });
+        } 
+    }
+}
diff --git a/FastGithub.Scanner/GithubScanBuilder.cs b/FastGithub.Scanner/GithubScanBuilder.cs
deleted file mode 100644
index 077e0a3..0000000
--- a/FastGithub.Scanner/GithubScanBuilder.cs
+++ /dev/null
@@ -1,66 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace FastGithub.Scanner
-{
-    /// <summary>
-    /// 表示中间件创建者
-    /// </summary>
-    sealed class GithubScanBuilder : IGithubScanBuilder
-    {
-        private readonly GithubScanDelegate completedHandler;
-        private readonly List<Func<GithubScanDelegate, GithubScanDelegate>> middlewares = new();
-
-        /// <summary>
-        /// 获取服务提供者
-        /// </summary>
-        public IServiceProvider AppServices { get; }
-
-        /// <summary>
-        /// 中间件创建者
-        /// </summary>
-        /// <param name="appServices"></param>
-        public GithubScanBuilder(IServiceProvider appServices)
-            : this(appServices, context => Task.CompletedTask)
-        {
-        }
-
-        /// <summary>
-        /// 中间件创建者
-        /// </summary>
-        /// <param name="appServices"></param>
-        /// <param name="completedHandler">完成执行内容处理者</param>
-        public GithubScanBuilder(IServiceProvider appServices, GithubScanDelegate completedHandler)
-        {
-            this.AppServices = appServices;
-            this.completedHandler = completedHandler;
-        }
-
-        /// <summary>
-        /// 使用中间件
-        /// </summary>
-        /// <param name="middleware"></param>
-        /// <returns></returns>
-        public IGithubScanBuilder Use(Func<GithubScanDelegate, GithubScanDelegate> middleware)
-        {
-            this.middlewares.Add(middleware);
-            return this;
-        }
-
-
-        /// <summary>
-        /// 创建所有中间件执行处理者
-        /// </summary>
-        /// <returns></returns>
-        public GithubScanDelegate Build()
-        {
-            var handler = this.completedHandler;
-            for (var i = this.middlewares.Count - 1; i >= 0; i--)
-            {
-                handler = this.middlewares[i](handler);
-            }
-            return handler;
-        }
-    }
-}
\ No newline at end of file
diff --git a/FastGithub.Scanner/GithubScanBuilderExtensions.cs b/FastGithub.Scanner/GithubScanBuilderExtensions.cs
deleted file mode 100644
index e70cca5..0000000
--- a/FastGithub.Scanner/GithubScanBuilderExtensions.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System;
-using System.Threading.Tasks;
-
-namespace FastGithub.Scanner
-{
-    /// <summary>
-    /// 中间件创建者扩展
-    /// </summary>
-    static class GithubScanBuilderExtensions
-    {
-        /// <summary>
-        /// 使用中间件
-        /// </summary> 
-        /// <typeparam name="TMiddleware"></typeparam>
-        /// <param name="builder"></param>
-        /// <returns></returns>
-        public static IGithubScanBuilder Use<TMiddleware>(this IGithubScanBuilder builder) where TMiddleware : class, IGithubScanMiddleware
-        {
-            return builder.AppServices.GetService(typeof(TMiddleware)) is TMiddleware middleware
-               ? builder.Use(middleware.InvokeAsync)
-               : throw new InvalidOperationException($"无法获取服务{typeof(TMiddleware)}");
-        }
-
-        /// <summary>
-        /// 使用中间件
-        /// </summary>
-        /// <typeparam name="TContext"></typeparam>
-        /// <param name="builder"></param>
-        /// <param name="middleware"></param>
-        /// <returns></returns>
-        public static IGithubScanBuilder Use(this IGithubScanBuilder builder, Func<GithubContext, Func<Task>, Task> middleware)
-        {
-            return builder.Use(next => context => middleware(context, () => next(context)));
-        }
-    }
-}
diff --git a/FastGithub.Scanner/GithubScanService.cs b/FastGithub.Scanner/GithubScanService.cs
index 795b81c..e44c74b 100644
--- a/FastGithub.Scanner/GithubScanService.cs
+++ b/FastGithub.Scanner/GithubScanService.cs
@@ -1,4 +1,5 @@
-using Microsoft.Extensions.DependencyInjection;
+using FastGithub.Scanner.Middlewares;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Linq;
@@ -12,18 +13,34 @@ namespace FastGithub.Scanner
     sealed class GithubScanService : IGithubScanService
     {
         private readonly GithubMetaService metaService;
-        private readonly GithubScanDelegate scanDelegate;
         private readonly ILogger<GithubScanService> logger;
         private readonly GithubContextHashSet results = new();
 
+        private readonly InvokeDelegate<GithubContext> fullScanDelegate;
+        private readonly InvokeDelegate<GithubContext> resultScanDelegate;
+
         public GithubScanService(
             GithubMetaService metaService,
-            GithubScanDelegate scanDelegate,
-            ILogger<GithubScanService> logger)
+            ILogger<GithubScanService> logger,
+            IPipelineBuilder<GithubContext> pipelineBuilder)
         {
             this.metaService = metaService;
-            this.scanDelegate = scanDelegate;
             this.logger = logger;
+
+            this.fullScanDelegate = pipelineBuilder
+                .New()
+                .Use<ConcurrentMiddleware>()
+                .Use<PortScanMiddleware>()
+                .Use<HttpsScanMiddleware>()
+                .Use<ScanOkLogMiddleware>()
+                .Build();
+
+            this.resultScanDelegate = pipelineBuilder
+                .New()
+                .Use<PortScanMiddleware>()
+                .Use<HttpsScanMiddleware>()
+                .Use<ScanOkLogMiddleware>()
+                .Build();
         }
 
         public async Task ScanAllAsync(CancellationToken cancellationToken = default)
@@ -40,7 +57,7 @@ namespace FastGithub.Scanner
 
             async Task ScanAsync(GithubContext context)
             {
-                await this.scanDelegate(context);
+                await this.fullScanDelegate(context);
                 if (context.HttpElapsed != null)
                 {
                     lock (this.results.SyncRoot)
@@ -63,7 +80,7 @@ namespace FastGithub.Scanner
             foreach (var context in contexts)
             {
                 context.HttpElapsed = null;
-                await this.scanDelegate(context);
+                await this.resultScanDelegate(context);
             }
 
             this.logger.LogInformation("结果扫描结束");
diff --git a/FastGithub.Scanner/IGithubScanBuilder.cs b/FastGithub.Scanner/IGithubScanBuilder.cs
deleted file mode 100644
index 3ad3453..0000000
--- a/FastGithub.Scanner/IGithubScanBuilder.cs
+++ /dev/null
@@ -1,28 +0,0 @@
-using System;
-
-namespace FastGithub.Scanner
-{
-    /// <summary>
-    /// 定义中间件管道创建者的接口
-    /// </summary> 
-    interface IGithubScanBuilder
-    {
-        /// <summary>
-        /// 获取服务提供者
-        /// </summary>
-        IServiceProvider AppServices { get; }
-
-        /// <summary>
-        /// 使用中间件
-        /// </summary>
-        /// <param name="middleware">中间件</param>
-        /// <returns></returns>
-        IGithubScanBuilder Use(Func<GithubScanDelegate, GithubScanDelegate> middleware);
-
-        /// <summary>
-        /// 创建所有中间件执行处理者
-        /// </summary>
-        /// <returns></returns>
-        GithubScanDelegate Build();
-    }
-}
diff --git a/FastGithub.Scanner/Middlewares/ConcurrentMiddleware.cs b/FastGithub.Scanner/Middlewares/ConcurrentMiddleware.cs
index 918b2dc..0a18c72 100644
--- a/FastGithub.Scanner/Middlewares/ConcurrentMiddleware.cs
+++ b/FastGithub.Scanner/Middlewares/ConcurrentMiddleware.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 namespace FastGithub.Scanner.Middlewares
 {
     [Service(ServiceLifetime.Singleton)]
-    sealed class ConcurrentMiddleware : IGithubScanMiddleware
+    sealed class ConcurrentMiddleware : IMiddleware<GithubContext>
     {
         private readonly SemaphoreSlim semaphoreSlim = new(Environment.ProcessorCount * 4);
 
diff --git a/FastGithub.Scanner/Middlewares/HttpsScanMiddleware.cs b/FastGithub.Scanner/Middlewares/HttpsScanMiddleware.cs
index e974495..09119b6 100644
--- a/FastGithub.Scanner/Middlewares/HttpsScanMiddleware.cs
+++ b/FastGithub.Scanner/Middlewares/HttpsScanMiddleware.cs
@@ -10,7 +10,7 @@ using System.Threading.Tasks;
 namespace FastGithub.Scanner.Middlewares
 {
     [Service(ServiceLifetime.Singleton)]
-    sealed class HttpsScanMiddleware : IGithubScanMiddleware
+    sealed class HttpsScanMiddleware : IMiddleware<GithubContext>
     {
         private readonly IOptionsMonitor<GithubOptions> options;
         private readonly ILogger<HttpsScanMiddleware> logger;
diff --git a/FastGithub.Scanner/Middlewares/PortScanMiddleware.cs b/FastGithub.Scanner/Middlewares/PortScanMiddleware.cs
index f3058c9..5f6f555 100644
--- a/FastGithub.Scanner/Middlewares/PortScanMiddleware.cs
+++ b/FastGithub.Scanner/Middlewares/PortScanMiddleware.cs
@@ -9,7 +9,7 @@ using System.Threading.Tasks;
 namespace FastGithub.Scanner.Middlewares
 {
     [Service(ServiceLifetime.Singleton)]
-    sealed class PortScanMiddleware : IGithubScanMiddleware
+    sealed class PortScanMiddleware : IMiddleware<GithubContext>
     {
         private const int PORT = 443;
         private readonly IOptionsMonitor<GithubOptions> options;
diff --git a/FastGithub.Scanner/Middlewares/ScanOkLogMiddleware.cs b/FastGithub.Scanner/Middlewares/ScanOkLogMiddleware.cs
index 52aafc5..3730642 100644
--- a/FastGithub.Scanner/Middlewares/ScanOkLogMiddleware.cs
+++ b/FastGithub.Scanner/Middlewares/ScanOkLogMiddleware.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 namespace FastGithub.Scanner.Middlewares
 {
     [Service(ServiceLifetime.Singleton)]
-    sealed class ScanOkLogMiddleware : IGithubScanMiddleware
+    sealed class ScanOkLogMiddleware : IMiddleware<GithubContext>
     {
         private readonly ILogger<ScanOkLogMiddleware> logger;
 
diff --git a/FastGithub.Scanner/ScannerServiceCollectionExtensions.cs b/FastGithub.Scanner/ScannerServiceCollectionExtensions.cs
index 8fd9137..a3d9572 100644
--- a/FastGithub.Scanner/ScannerServiceCollectionExtensions.cs
+++ b/FastGithub.Scanner/ScannerServiceCollectionExtensions.cs
@@ -1,5 +1,4 @@
 using FastGithub.Scanner;
-using FastGithub.Scanner.Middlewares;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using System.Threading.Tasks;
@@ -22,18 +21,13 @@ namespace FastGithub
             var assembly = typeof(ScannerServiceCollectionExtensions).Assembly;
             return services
                 .AddHttpClient()
-                .AddSingleton(serviceProvider =>
-                {
-                    return new GithubScanBuilder(serviceProvider, ctx => Task.CompletedTask)
-                        .Use<ConcurrentMiddleware>()
-                        .Use<PortScanMiddleware>()
-                        .Use<HttpsScanMiddleware>()
-                        .Use<ScanOkLogMiddleware>()
-                        .Build();
-                })
                 .AddServiceAndOptions(assembly, configuration)
                 .AddHostedService<GithubFullScanHostedService>()
                 .AddHostedService<GithubResultScanHostedService>()
+                .AddSingleton<IPipelineBuilder<GithubContext>>(appService =>
+                {
+                    return new PipelineBuilder<GithubContext>(appService, ctx => Task.CompletedTask);
+                })
                 ;
         }
     }