diff --git a/csst_dfs_api/facility/level1.py b/csst_dfs_api/facility/level1.py
index 6baddf57b0620ac4d660e2d1c21a8fc7b075c65d..06baffdbef243e82ce2e253bb7b9d367afc92dca 100644
--- a/csst_dfs_api/facility/level1.py
+++ b/csst_dfs_api/facility/level1.py
@@ -25,6 +25,7 @@ class Level1DataApi(object):
             dec_cen: float = None,
             radius_cen: float = None
             pipeline_id: [str]
+            build_id: [int]
             detector_no: [str]
             filter: [str]
             object_name: [str]