diff --git a/Examples/aspnetcore_transaction/Controllers/HomeController.cs b/Examples/aspnetcore_transaction/Controllers/HomeController.cs
index 35129473..269d1f0d 100644
--- a/Examples/aspnetcore_transaction/Controllers/HomeController.cs
+++ b/Examples/aspnetcore_transaction/Controllers/HomeController.cs
@@ -1,8 +1,12 @@
 using FreeSql;
 using FreeSql.DataAnnotations;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using System.ComponentModel;
+using System.Linq;
+using System.Reflection;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace aspnetcore_transaction.Controllers
@@ -102,4 +106,53 @@ namespace aspnetcore_transaction.Controllers
         public int SongId { get; set; }
         public string Title { get; set; }
     }
+
+    public static class IdleBusExtesions
+    {
+        static AsyncLocal<string> AsyncLocalTenantId = new AsyncLocal<string>();
+        public static IdleBus<IFreeSql> ChangeTenant(this IdleBus<IFreeSql> ib, string tenantId)
+        {
+            AsyncLocalTenantId.Value = tenantId;
+            return ib;
+        }
+        public static IFreeSql Get(this IdleBus<IFreeSql> ib) => ib.Get(AsyncLocalTenantId.Value ?? "default");
+        public static IBaseRepository<T> GetRepository<T>(this IdleBus<IFreeSql> ib) where T : class => ib.Get().GetRepository<T>();
+
+        static void test()
+        {
+            IdleBus<IFreeSql> ib = null; //单例注入
+
+            var fsql = ib.Get(); //获取当前租户对应的 IFreeSql
+
+            var fsql00102 = ib.ChangeTenant("00102").Get(); //切换租户，后面的操作都是针对 00102
+
+            var songRepository = ib.GetRepository<Song>();
+            var detailRepository = ib.GetRepository<Detail>();
+        }
+
+        public static IServiceCollection AddRepository(this IServiceCollection services, params Assembly[] assemblies)
+        {
+            services.AddScoped(typeof(IBaseRepository<>), typeof(YourDefaultRepository<>));
+            services.AddScoped(typeof(BaseRepository<>), typeof(YourDefaultRepository<>));
+
+            services.AddScoped(typeof(IBaseRepository<,>), typeof(YourDefaultRepository<,>));
+            services.AddScoped(typeof(BaseRepository<,>), typeof(YourDefaultRepository<,>));
+
+            if (assemblies?.Any() == true)
+                foreach (var asse in assemblies)
+                    foreach (var repo in asse.GetTypes().Where(a => a.IsAbstract == false && typeof(IBaseRepository).IsAssignableFrom(a)))
+                        services.AddScoped(repo);
+
+            return services;
+        }
+    }
+
+    class YourDefaultRepository<T> : BaseRepository<T> where T : class
+    {
+        public YourDefaultRepository(IdleBus<IFreeSql> ib) : base(ib.Get(), null, null) { }
+    }
+    class YourDefaultRepository<T, TKey> : BaseRepository<T, TKey> where T : class
+    {
+        public YourDefaultRepository(IdleBus<IFreeSql> ib) : base(ib.Get(), null, null) { }
+    }
 }
diff --git a/Examples/aspnetcore_transaction/aspnetcore_transaction.csproj b/Examples/aspnetcore_transaction/aspnetcore_transaction.csproj
index 77ed7fb2..6a13bfe0 100644
--- a/Examples/aspnetcore_transaction/aspnetcore_transaction.csproj
+++ b/Examples/aspnetcore_transaction/aspnetcore_transaction.csproj
@@ -12,7 +12,7 @@
   <ItemGroup>
     <PackageReference Include="System.Text.Encoding.CodePages" Version="4.7.0" />
     <PackageReference Include="FreeSql.DynamicProxy" Version="1.4.0" />
-    <PackageReference Include="IdleBus" Version="1.3.3" />
+    <PackageReference Include="IdleBus" Version="1.5.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/FreeSql.Tests/FreeSql.Tests/FreeSql.Tests.csproj b/FreeSql.Tests/FreeSql.Tests/FreeSql.Tests.csproj
index 926e775f..0acabc69 100644
--- a/FreeSql.Tests/FreeSql.Tests/FreeSql.Tests.csproj
+++ b/FreeSql.Tests/FreeSql.Tests/FreeSql.Tests.csproj
@@ -15,7 +15,7 @@
 
     <ItemGroup>
         <PackageReference Include="Dapper" Version="2.0.35" />
-        <PackageReference Include="IdleBus" Version="1.3.0" />
+        <PackageReference Include="IdleBus" Version="1.5.0" />
         <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.3" />
         <PackageReference Include="Microsoft.Data.SqlClient" Version="2.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
diff --git a/readme.md b/readme.md
index 2a395ae4..ff4a56b6 100644
--- a/readme.md
+++ b/readme.md
@@ -187,7 +187,7 @@ QQ群：4336577(已满)、8578575(在线)
 
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+L*y 58元、花花 88元、麦兜很乖 50元、网络来者 2000元、John 99.99元、alex 666元、bacongao 36元、无名 100元、Eternity 188元、无名 10元、⌒.Helper~..oO 66元、习惯与被习惯 100元、无名 100元、蔡易喋 88.88元、中讯科技 1000元、Good Good Work 24元、炽焰 6.6元、Nothing 100元、兰州天擎赵 500元、哈利路亚 300元
 
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