diff --git a/csst_common/data_manager.py b/csst_common/data_manager.py
index 86a7cd9ceae0280e494e65819c9e3e6446ae6cf9..264e6fcb02131a2d4fe99746a6a6aa1d7f0e5602 100644
--- a/csst_common/data_manager.py
+++ b/csst_common/data_manager.py
@@ -646,7 +646,7 @@ class CsstMsDataManager:
     @staticmethod
     def quickstart(
             ver_sim="C6.2", datatype="mbi", dir_l1=".", exposure_id=100,
-            dfs_node="kmust", n_jobs=18, backend="multiprocessing"
+            n_jobs=18, backend="multiprocessing"
     ):
         """
         Quick dataset generator for tests on dandelion or PML
@@ -661,8 +661,6 @@ class CsstMsDataManager:
             output directory
         exposure_id : int
             The serial number of the exposure. 20-154 for C5.2.
-        dfs_node : str
-            The DFS node. Defaults to "kmust", could be "pml".
         n_jobs : int
             The number of jobs.
         backend : str
@@ -688,7 +686,7 @@ class CsstMsDataManager:
 
         return CsstMsDataManager.from_dir(
             ver_sim=ver_sim, datatype=datatype, dir_l0=dir_l0, dir_l1=dir_l1, path_aux=path_aux,
-            dfs_node=dfs_node, n_jobs=n_jobs, backend=backend
+            n_jobs=n_jobs, backend=backend
         )
 
     def __repr__(self):
@@ -886,7 +884,7 @@ class CsstMsDataManager:
     @staticmethod
     def from_dfs(
             obs_id="100000100",
-            ver_sim="C5.2",
+            ver_sim="C6.2",
             datatype="mbi",
             dir_l0="/pipeline/L0",
             dir_l1="/pipeline/L1",
diff --git a/tests/test_data_manager.py b/tests/test_data_manager.py
index 5d9df2f2e311695fb2d39e2b69d3fb0c48c202ef..723447352a3e7968e172d0a272e5bc05c37087c5 100644
--- a/tests/test_data_manager.py
+++ b/tests/test_data_manager.py
@@ -21,9 +21,9 @@ dir_unittest = "/nfsdata/share/pipeline-unittest/csst_common"
 class TestCsstMsDataManager(unittest.TestCase):
     def setUp(self) -> None:
         self.dm_mbi = CsstMsDataManager.quickstart(
-            ver_sim="C6.2", datatype="mbi", dir_l1=dir_unittest, exposure_id=100, dfs_node="kmust")
+            ver_sim="C6.2", datatype="mbi", dir_l1=dir_unittest, exposure_id=100)
         self.dm_sls = CsstMsDataManager.quickstart(
-            ver_sim="C6.2", datatype="sls", dir_l1=dir_unittest, exposure_id=100, dfs_node="kmust")
+            ver_sim="C6.2", datatype="sls", dir_l1=dir_unittest, exposure_id=100)
         self.dm_mbi.target_detectors = None
         self.dm_sls.target_detectors = None