diff --git a/事务.md b/事务.md
index 7d42bc3..a80fa82 100644
--- a/事务.md
+++ b/事务.md
@@ -80,39 +80,7 @@ using (var uow = fsql.CreateUnitOfWork()) {
 }
 ```
 
-参考：在 asp.net core 中注入工作单元方法
-
-```csharp
-//第一步：
-public class UnitOfWorkRepository<TEntity, TKey> : BaseRepository<TEntity, TKey> {
-  public UnitOfWorkRepository(IFreeSql fsql, IUnitOfWork uow) : base(fsql, null, null) 
-  {
-    this.UnitOfWork = uow;
-  }
-}
-public class UnitOfWorkRepository<TEntity> : BaseRepository<TEntity, int> {
-  public UnitOfWorkRepository(IFreeSql fsql, IUnitOfWork uow) : base(fsql, null, null)
-  {
-    this.UnitOfWork = uow;
-  }
-}
-
-//第二步：
-public void ConfigureServices(IServiceCollection services) {
-  services.AddSingleton<IFreeSql>(fsql);
-  services.AddScoped<FreeSql.IUnitOfWork>(sp => fsql.CreateUnitOfWork());
-
-  services.AddScoped(typeof(IBaseRepository<>), typeof(UnitOfWorkRepository<>));
-  services.AddScoped(typeof(BaseRepository<>), typeof(UnitOfWorkRepository<>));
-
-  //批量注入程序集内的所有自建仓储类，可以根据自己需要来修改
-  Assembly[] assemblies = new [] { typeof(XxxRepository).Assembly };
-  if (assemblies?.Any() == true)
-      foreach (var asse in assemblies)
-        foreach (var repo in asse.GetTypes().Where(a => a.IsAbstract == false && typeof(UnitOfWorkRepository).IsAssignableFrom(a)))
-          services.AddScoped(repo);
-}
-```
+参考：参考：[在 asp.net core 中使用 UnitOfWorkManager 实现多种事务传播](https://github.com/dotnetcore/FreeSql/issues/289)
 
 ## 4、DbContext
 
diff --git a/工作单元.md b/工作单元.md
index 53e11c2..fb9206f 100644
--- a/工作单元.md
+++ b/工作单元.md
@@ -24,33 +24,7 @@ using (var uow = fsql.CreateUnitOfWork()) {
 }
 ```
 
-参考：在 asp.net core 中注入工作单元方法
-
-```csharp
-//第一步：
-public class UnitOfWorkRepository<TEntity> : BaseRepository<TEntity, int> {
-  public UnitOfWorkRepository(IFreeSql fsql, IUnitOfWork uow) : base(fsql, null, null)
-  {
-    this.UnitOfWork = uow;
-  }
-}
-
-//第二步：
-public void ConfigureServices(IServiceCollection services) {
-  services.AddSingleton<IFreeSql>(fsql);
-  services.AddScoped<FreeSql.IUnitOfWork>(sp => fsql.CreateUnitOfWork());
-
-  services.AddScoped(typeof(IBaseRepository<>), typeof(UnitOfWorkRepository<>));
-  services.AddScoped(typeof(BaseRepository<>), typeof(UnitOfWorkRepository<>));
-
-  //批量注入程序集内的所有自建仓储类，可以根据自己需要来修改
-  Assembly[] assemblies = new [] { typeof(XxxRepository).Assembly };
-  if (assemblies?.Any() == true)
-      foreach (var asse in assemblies)
-        foreach (var repo in asse.GetTypes().Where(a => a.IsAbstract == false && typeof(UnitOfWorkRepository).IsAssignableFrom(a)))
-          services.AddScoped(repo);
-}
-```
+参考：[在 asp.net core 中使用 UnitOfWorkManager 实现多种事务传播](https://github.com/dotnetcore/FreeSql/issues/289)
 
 ## 接口定义