diff --git a/csst_ifs_sim/csst_ifs_sim.py b/csst_ifs_sim/csst_ifs_sim.py
index a1661068b12ec225300e24d0cfc4523e7941525f..8a906e3747bdd3d772f9023f510f53ec77285347 100644
--- a/csst_ifs_sim/csst_ifs_sim.py
+++ b/csst_ifs_sim/csst_ifs_sim.py
@@ -34,8 +34,6 @@ import sys
 # sys.path.append('./csst_ifs_sim')
 conf.auto_max_age = None
 
-"""
-"""
 """
 Contact Information: zhaojunyan@shao.ac.cn
 
@@ -212,8 +210,6 @@ class CDM03bidir():
 
         :return: image that has been run through the CDM03 model
         :rtype: ndarray"""""
-        #
-        # return data
 
         iflip = iquadrant / 2
         jflip = iquadrant % 2
@@ -1524,7 +1520,6 @@ def anySampledPSFnew(wavefront, pupil, Q, sizeout):
     return psf
 
 ##############################################################################
-
 ##############################################################################
 
 
@@ -1623,16 +1618,13 @@ def getSpectrum(Spectrum0, lam, sigma):
         DESCRIPTION.
 
     """
-
     # %获得输入波长lambda的光谱强度
     wave = Spectrum0[:, 0]  # %原始光谱数据给定的波长；
     Qt = Spectrum0[:, 1]  # %原始光谱数据给定的光谱强度；
     d = abs(lam-wave)  # %计算波长距离；
     if min(d) > 3*sigma:
-
         SpmOut = 1.0/20000
     else:
-
         column = np.where(d == min(d))
         SpmOut = Qt[column[0]]*np.exp(-(lam-wave[column[0]])**2/2/sigma**2)
 
@@ -1664,7 +1656,6 @@ class IFSsimulator():
         :type opts: OptionParser instance
 
         """
-
         ####################################
 
         self.configfile = configfile
@@ -1729,10 +1720,7 @@ class IFSsimulator():
         Processes configuration information and save the information to a dictionary self.information.
 
         The configuration file may look as follows::
-
             [TEST]
-
-
         For explanation of each field, see /data/test.config. Note that if an input field does not exist,
         then the values are taken from the default instrument model as described in
         support.IFSinstrumentModel.VISinformation(). Any of the defaults can be overwritten by providing
@@ -1806,10 +1794,7 @@ class IFSsimulator():
 
         Creates lensing parameters;
         """
-#
-#
         self.imgtemp = dict()
-
         self.pixel = 0.1  # arcsec, pixel scale size;
 
 ##############################################################################
@@ -1900,7 +1885,6 @@ class IFSsimulator():
         spec_erg2 = spec_erg / 4.25452e10
 
         # self.zodiacal_wave=wave_A    # in A
-
         # self.zodiacal_flux=spec_erg2
 
         return wave_A, spec_erg2
@@ -2283,9 +2267,8 @@ class IFSsimulator():
 
         return
 
-###############################################################################
+# ###########################################################################
 
-###############################################################################
     def addCosmicRays(self, idk):
         """