diff --git a/FreeSql.DbContext/UnitOfWork/UnitOfWork.cs b/FreeSql.DbContext/UnitOfWork/UnitOfWork.cs
index 86644bf2b..c7014f0d6 100644
--- a/FreeSql.DbContext/UnitOfWork/UnitOfWork.cs
+++ b/FreeSql.DbContext/UnitOfWork/UnitOfWork.cs
@@ -165,10 +165,11 @@ public void Rollback()
         int _disposeCounter;
         public void Dispose()
         {
+        
             if (Interlocked.Increment(ref _disposeCounter) != 1) return;
             try
             {
-                this.Rollback();
+                if(_tranBefore is not null) this.Rollback();                
             }
             finally
             {