diff --git a/csst/msc/calib_pos.py b/csst/msc/calib_pos.py
index ed91fef3a3caf169b46fe75230a6fcde8c531ffd..e626af9f200bf9e94ae32d9ab183a41be6d36232 100644
--- a/csst/msc/calib_pos.py
+++ b/csst/msc/calib_pos.py
@@ -81,7 +81,7 @@ class CsstProcMscPositionCalibration(CsstProcessor):
         cat_list = []
         fn_list = []
         for this_ccd_id in ccd_ids:
-            print("good")
+            print(type(this_ccd_id))
             sex_cat = self.dm.l1_sci(ccd_id = this_ccd_id, suffix="img", ext="cat")
             fn = self.dm.l1_sci(ccd_id=this_ccd_id, suffix="img", ext="fits")
             cat_list.append(sex_cat)
diff --git a/csst/msc/pipeline.py b/csst/msc/pipeline.py
index a189bc904178c49fb3be33cbd4d172e56e5f0b27..78e4bc63d6de97c6b534c99d5fac7d703d150456 100644
--- a/csst/msc/pipeline.py
+++ b/csst/msc/pipeline.py
@@ -112,6 +112,7 @@ def do_one_exposure(ver_sim="C5.1", dir_l0="", dir_l1="", dir_pcref="", path_aux
         pcProc.run(img_list, wht_list, flg_list, fn_list, ccd_ids, dir_pcref, 2.0, pm_correct=True, wcs_refine=True, plot=True)
     else:
         for this_ccd_id in ccd_ids:
+            print(type(this_ccd_id))
             fp_img = dm.l1_sci(ccd_id=this_ccd_id, suffix="img",ext="fits")
             fp_wht = dm.l1_sci(ccd_id=this_ccd_id, suffix="wht",ext="fits")
             fp_flg = dm.l1_sci(ccd_id=this_ccd_id, suffix="flg",ext="fits")