diff --git a/fastNLP/core/dataloaders/paddle_dataloader/fdl.py b/fastNLP/core/dataloaders/paddle_dataloader/fdl.py
index 8999322b..80a7a050 100644
--- a/fastNLP/core/dataloaders/paddle_dataloader/fdl.py
+++ b/fastNLP/core/dataloaders/paddle_dataloader/fdl.py
@@ -39,7 +39,7 @@ class _PaddleDataset(Dataset):
 
     def __getattr__(self, item):
         try:
-            self.dataset.__getattribute__(item)
+            return self.dataset.__getattribute__(item)
         except Exception as e:
             raise e