diff --git a/csst_mci_sim/csst_mci_sim.py b/csst_mci_sim/csst_mci_sim.py
index 3ed95dc5440ff5c9b810f0d0e8049b55d957fef2..b671f27ccf37868f1ccd3db652ccaea7483316f5 100644
--- a/csst_mci_sim/csst_mci_sim.py
+++ b/csst_mci_sim/csst_mci_sim.py
@@ -1285,13 +1285,8 @@ class MCIsimulator():
             # SED flux*filter_flux*tel_eff
             eff_arr = Nphoton*ft_effnew*tel_effnew
 
-            S    checkInputList(input_ra_list, input_nstars)
-    checkInputList(input_dec_list, input_nstars)
-    checkInputList(input_pmra_list, input_nstars)
-    checkInputList(input_pmdec_list, input_nstars)
-    checkInputList(input_rv_list, input_nstars)
-    checkInputList(input_parallax_list, input_nstars)umphoton[ch] = np.sum(eff_arr)
-
+            Sumphoton[ch] = np.sum(eff_arr)
+            
             # seven wavelength for the seleced filter
             iwave = self.filter_psf[ch]['psf_iwave'][:]