diff --git a/csst_common/data_manager.py b/csst_common/data_manager.py
index e02cd8cfa0455cd1114c2309d6e82d6674661cd3..2b8c6a5c0686486c744ad59e002dcf3598712913 100644
--- a/csst_common/data_manager.py
+++ b/csst_common/data_manager.py
@@ -201,9 +201,6 @@ class CsstMsDataManager:
 
         self.n_jobs = 18
 
-        # DFS APIs
-        # self.l1api = Level1DataApi()
-
         # aXe
         self.set_env()
 
@@ -220,6 +217,7 @@ class CsstMsDataManager:
         self.logger_mod = get_logger(name="CSST L1 Module Logger", filename=os.path.join(dir_l1, log_mod))
         self.logger_mod.info("logger_mod initialized")
 
+        # DFS APIs
         self.dfs_L0DataApi = Level0DataApi()
         self.dfs_L1DataApi = Level1DataApi()
         self.dfs_L0PrcApi = Level0PrcApi()  # level0到level1的处理过程记录
@@ -572,6 +570,7 @@ class CsstMsDataManager:
                  dfs_mode=True, dfs_node="pml"):
         """ Initialize CsstMsDataManager from DFS. """
         records = Level0DataApi().find(obs_id=obs_id)  # query DFS
+        print(f"{records['totalCount']} records obtained!")
         tbl = Table([_.__dict__ for _ in records["data"]])
         tbl.sort(["detector_no", "obs_type"])