diff --git a/FreeSql.DbContext/Repository/ContextSet/RepositoryDbContext.cs b/FreeSql.DbContext/Repository/ContextSet/RepositoryDbContext.cs
index 6b31772a..632a87f7 100644
--- a/FreeSql.DbContext/Repository/ContextSet/RepositoryDbContext.cs
+++ b/FreeSql.DbContext/Repository/ContextSet/RepositoryDbContext.cs
@@ -13,7 +13,7 @@ namespace FreeSql
         {
             _ormPriv = orm;
             _isUseUnitOfWork = false;
-            UnitOfWork = _repo.UnitOfWork;
+            UnitOfWork = repo.UnitOfWork;
             _repo = repo;
         }