diff --git a/csst_dfs_commons/models/hstdm.py b/csst_dfs_commons/models/hstdm.py
index 587f9499f17bac57eceb5bb391178649a076b67f..25665e99f1367b8b8e08938551b33a421f3d10f1 100644
--- a/csst_dfs_commons/models/hstdm.py
+++ b/csst_dfs_commons/models/hstdm.py
@@ -1,4 +1,18 @@
 import dataclasses
-from typing import Dict
-from .common import BaseModel, default_field
- 
+from .common import BaseModel
+
+@dataclasses.dataclass
+class Level2Data(BaseModel):
+    id: int = 0
+    level0_id: str = ''
+    level1_id: int=0
+    project_id: int=0
+    file_type: str=""
+    filename : str=""
+    file_path: str=""
+    qc2_status: int = 0
+    qc2_time: str=""
+    prc_status: int = 0
+    prc_time: str=""
+    create_time: str=""
+    pipeline_id: str=""