diff --git a/事务.md b/事务.md
index 851e2a2..0391492 100644
--- a/事务.md
+++ b/事务.md
@@ -2,10 +2,10 @@
 
 ```csharp
 using (var uow = fsql.CreateUnitOfWork()) {
-  var songRepo = fsql.GetRepository<Song>() 
-  { UnitOfWork = uow };
+  var songRepo = fsql.GetRepository<Song>();
   var userRepo = fsql.GetRepository<User>() 
-  { UnitOfWork = uow };
+  songRepo.UnitOfWork = uow;
+  userRepo.UnitOfWork = uow;
 
   songRepo.Insert(new Song());
   userRepo.Update(...);