diff --git a/modelscope/msdatasets/ms_dataset.py b/modelscope/msdatasets/ms_dataset.py
index 8174d054..1e84dd8a 100644
--- a/modelscope/msdatasets/ms_dataset.py
+++ b/modelscope/msdatasets/ms_dataset.py
@@ -85,7 +85,7 @@ class MsDataset:
     @staticmethod
     def load(
         dataset_name: Union[str, list],
-        namespace: Optional[str] = None,
+        namespace: Optional[str] = 'modelscope',
         target: Optional[str] = None,
         version: Optional[str] = DEFAULT_DATASET_REVISION,
         hub: Optional[Hubs] = Hubs.modelscope,