diff --git a/Falcon.SugarApi/Plugin/FindPluginService.cs b/Falcon.SugarApi/Plugin/FindPluginService.cs
new file mode 100644
index 0000000..5c84167
--- /dev/null
+++ b/Falcon.SugarApi/Plugin/FindPluginService.cs
@@ -0,0 +1,63 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.IO;
+using System.Reflection;
+using System.Runtime.Loader;
+
+namespace Falcon.SugarApi.Plugin
+{
+    /// <summary>
+    /// 查找插件服务
+    /// </summary>
+    public static class FindPluginService
+    {
+        /// <summary>
+        /// 查找并增加插件服务
+        /// </summary>
+        /// <param name="assemblyFile">程序集名称</param>
+        /// <param name="services">服务集合</param>
+        /// <param name="configuration">配置</param>
+        public static void FindAddPluginService(string assemblyFile,IServiceCollection services,IConfiguration configuration) {
+            if(!File.Exists(assemblyFile)) {
+                throw new FileNotFoundException($"插件文件没有找到：{assemblyFile}");
+            }
+            //var doMain = AppDomain.CurrentDomain;
+            //var assembly = doMain.Load(assemblyFile);
+
+            var dm = new AssemblyLoadContext(null,false);
+            var assembly = dm.LoadFromAssemblyPath(assemblyFile);
+
+            FindAddPluginService(assembly,services,configuration);
+        }
+        /// <summary>
+        /// 查找并增加插件服务
+        /// </summary>
+        /// <param name="assembly">程序集</param>
+        /// <param name="services">服务集合</param>
+        /// <param name="configuration">配置</param>
+        public static void FindAddPluginService(Assembly assembly,IServiceCollection services,IConfiguration configuration) {
+            var name = typeof(IServicePlugin).FullName;
+            if(name == null) {
+                return;
+            }
+            foreach(Type type in assembly.GetTypes()) {
+                if(type == null || !type.IsPublic) {
+                    continue;
+                }
+                if(type.GetInterface(name) == null) {
+                    continue;
+                }
+                var tname = type.FullName;
+                if(tname == null) {
+                    continue;
+                }
+                var obj = type.Assembly.CreateInstance(tname) as IServicePlugin;
+                if(obj == null) {
+                    continue;
+                }
+                obj.AddServices(services,configuration);
+            }
+        }
+    }
+}
diff --git a/Falcon.SugarApi/Plugin/IServicePlugin.cs b/Falcon.SugarApi/Plugin/IServicePlugin.cs
new file mode 100644
index 0000000..4230959
--- /dev/null
+++ b/Falcon.SugarApi/Plugin/IServicePlugin.cs
@@ -0,0 +1,19 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Falcon.SugarApi.Plugin
+{
+    /// <summary>
+    /// 插件接口。插件通过实现此接口注册服务、配置、后台线程等。
+    /// </summary>
+    public interface IServicePlugin
+    {
+        /// <summary>
+        /// 注册服务
+        /// </summary>
+        /// <param name="services">服务集合</param>
+        /// <param name="configuration">配置</param>
+        /// <returns>服务集合</returns>
+        IServiceCollection AddServices(IServiceCollection services,IConfiguration configuration);
+    }
+}
diff --git a/Falcon.SugarApi/Plugin/PluginSetting.cs b/Falcon.SugarApi/Plugin/PluginSetting.cs
new file mode 100644
index 0000000..345b8ce
--- /dev/null
+++ b/Falcon.SugarApi/Plugin/PluginSetting.cs
@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+
+namespace Falcon.SugarApi.Plugin
+{
+    /// <summary>
+    /// 插件设置
+    /// </summary>
+    public class PluginSetting
+    {
+        /// <summary>
+        /// 插件名称
+        /// </summary>
+        public string name { get; set; }
+        /// <summary>
+        /// 插件文件
+        /// </summary>
+        public string file { get; set; }
+    }
+}
diff --git a/Falcon.SugarApi/Plugin/PluginSettingList.cs b/Falcon.SugarApi/Plugin/PluginSettingList.cs
new file mode 100644
index 0000000..4976003
--- /dev/null
+++ b/Falcon.SugarApi/Plugin/PluginSettingList.cs
@@ -0,0 +1,9 @@
+using System.Collections.Generic;
+
+namespace Falcon.SugarApi.Plugin
+{
+    /// <summary>
+    /// 插件设置列表
+    /// </summary>
+    public class PluginSettingList:List<PluginSetting> { }
+}
diff --git a/Falcon.SugarApi/Plugin/Readme.md b/Falcon.SugarApi/Plugin/Readme.md
new file mode 100644
index 0000000..6cebce9
--- /dev/null
+++ b/Falcon.SugarApi/Plugin/Readme.md
@@ -0,0 +1,20 @@
+## ���ģ��  
+
+### ���Ŀ��  
+
+1. ϣ��ҵ��ģ���Բ���ķ�ʽ�������С�  
+1. �������������Ŀ��Ȼ�󽫱�����DLL��������ļ�������Ŀ¼��.  
+1. ��վ����ʱͨ�������ļ���̬���ز���������ض���ע�᷽������ע�ᡣ   
+
+### ʵ�ַ�ʽ   
+  1. ҵ��ģ�飺ʵ��IServicePiugin�ӿ�ʵ�ֲ��ģ��ע�ᡣ  
+  1.1 ע�������Controller����δ�ҵ�ע�᷽����  
+  1.2 ע���̨����BackGroundTask������ʵ�֣�ע�ᵽ���񼯺��ڡ�  
+  1.3 ע������Options����������ࡣ
+  2. ����ģ�飺λ��Falcon.SugarApi.Plugin�ڡ�  
+  2.1 ����IServicePiugin�ӿڡ�  
+  2.2 ����FindPluginService��ط������ڷ���ҵ��ģ���IServicePiuginʵ�֡�  
+  3. WebAPIģ�飺����վ������FindPluginService��ط���ע��ҵ��������������ģ��Ĵ�����ע�ᡣ  
+
+### Ŀǰ��Ҫ����  
+1. �޷���ҵ��ģ����ע��Controller���������á�