diff --git a/csst_dfs_commons/models/facility.py b/csst_dfs_commons/models/facility.py
index 40d4597c2ea6c024e7d3bda02838ac0c3d9c0f4f..c6b2a2b6a69989ef9bb5885e08871cf6f14d09d5 100644
--- a/csst_dfs_commons/models/facility.py
+++ b/csst_dfs_commons/models/facility.py
@@ -108,6 +108,7 @@ class Level0Record(BaseModel):
     level0_id: str = ""
     obs_id: str = ""
     detector_no: str = ""
+    filter: str=""
     obs_type: str = ""
     obs_time: str=""
     exp_time: float = 0
diff --git a/csst_dfs_commons/models/hstdm.py b/csst_dfs_commons/models/hstdm.py
new file mode 100644
index 0000000000000000000000000000000000000000..c227067528af668787f0421265608fffc621b047
--- /dev/null
+++ b/csst_dfs_commons/models/hstdm.py
@@ -0,0 +1,31 @@
+import dataclasses
+from typing import Dict
+from .common import BaseModel, default_field
+
+@dataclasses.dataclass
+class Level1Record(BaseModel):
+    id: int = 0
+    level0_id : str = ""
+    data_type: str=""
+    cor_sci_id: int = 0
+    prc_params: str=""
+    filename : str=""
+    file_path: str=""
+    qc1_status: int = 0
+    qc1_time: str=""
+    prc_status: int = 0
+    prc_time: str=""
+    create_time: str=""
+    pipeline_id: str=""
+    refs: Dict[str,int] = default_field({})
+
+@dataclasses.dataclass
+class Level1PrcRecord(BaseModel):
+    id: int = 0
+    level1_id: int = 0
+    pipeline_id: str = ""
+    prc_module: str = ""
+    params_file_path: str=""
+    prc_status: int = 0
+    prc_time: str=""
+    result_file_path: str=""    
diff --git a/csst_dfs_commons/models/msc.py b/csst_dfs_commons/models/msc.py
index 58475d7c3a6bdd52672c0db895c49a230012d5da..00cb02523ebf338c7db3150685b17f9d63dc1d31 100644
--- a/csst_dfs_commons/models/msc.py
+++ b/csst_dfs_commons/models/msc.py
@@ -9,6 +9,7 @@ class Level1Record(BaseModel):
     data_type: str=""
     cor_sci_id: int = 0
     prc_params: str=""
+    filter: str=""
     filename : str=""
     file_path: str=""
     qc1_status: int = 0
diff --git a/csst_dfs_commons/models/sls.py b/csst_dfs_commons/models/sls.py
index b62673c26960199195f3acaf9a28772bc6a0bede..732cbbcfb2b819f5ee7bfc8030ec4b047781c5f0 100644
--- a/csst_dfs_commons/models/sls.py
+++ b/csst_dfs_commons/models/sls.py
@@ -8,6 +8,7 @@ class Level1Record(BaseModel):
     level0_id : str = ""
     data_type: str=""
     prc_params: str=""
+    filter: str=""
     filename : str=""
     file_path: str=""
     qc1_status: int = 0