diff --git a/csst_dfs_api_cluster/facility/level1.py b/csst_dfs_api_cluster/facility/level1.py
index fef921af490db4e0de29adf049663bdc2a284cd3..806f3bfd6dc4bbb4dd37699d5f32bf0c726bb7b7 100644
--- a/csst_dfs_api_cluster/facility/level1.py
+++ b/csst_dfs_api_cluster/facility/level1.py
@@ -44,6 +44,7 @@ class Level1DataApi(object):
                 prc_status = get_parameter(kwargs, "prc_status", 1024),
                 filename = get_parameter(kwargs, "filename"),
                 limit = get_parameter(kwargs, "limit", 0),
+                detector_no = get_parameter(kwargs, "detector_no", ""),
                 other_conditions = {
                     "ra_cen": str(get_parameter(kwargs, "ra_cen", '')),
                     "dec_cen": str(get_parameter(kwargs, "dec_cen", '')),