diff --git a/llmc/data/dataset/base_dataset.py b/llmc/data/dataset/base_dataset.py
index 2a4b91e8..53149acb 100644
--- a/llmc/data/dataset/base_dataset.py
+++ b/llmc/data/dataset/base_dataset.py
@@ -11,7 +11,7 @@
 
 
 class BaseDataset(metaclass=ABCMeta):
-    def __init__(self, tokenizer, calib_cfg, processor):
+    def __init__(self, tokenizer, calib_cfg, processor=None):
         # calib_cfg
         logger.info(f'calib_cfg : {calib_cfg}')
         self.tokenizer = tokenizer