diff --git a/csst_mci_sim/csst_mci_sim.py b/csst_mci_sim/csst_mci_sim.py
index 085595feb11c4c0b885132793fdb76f46c34ea4f..23b940382b627d7b16a128e71a44f333f7ed136a 100644
--- a/csst_mci_sim/csst_mci_sim.py
+++ b/csst_mci_sim/csst_mci_sim.py
@@ -1923,7 +1923,7 @@ class MCIsimulator():
         z_sat=float(self.orbit_pars[self.orbit_exp_num,3])
         
         
-        self.log.info('load star catlog 111111111111111')
+        
         
         wave0, zodi0 = self.zodiacal(ra, dec, self.TianCe_day)     # erg/s/cm^2/A/arcsec^2
         
@@ -1931,7 +1931,10 @@ class MCIsimulator():
         # EarthShine from straylight
         sl = StrayLight(self.information['dir_path'],jtime=time_jd, sat=np.array([x_sat, y_sat, z_sat]),
                         radec=np.array([(ra*u.degree).value, (dec*u.degree).value]))
-
+        
+        self.log.info('load star catlog 3333333333333333333333333')
+        
+        
         earth_e = sl.caculateEarthShineFilter(filter='r')
         star_e  =  sl.caculateStarLightFilter(filter='r')
         angle_earth = earth_angle(time_jd, x_sat, y_sat, z_sat, ra, dec)
@@ -1941,6 +1944,8 @@ class MCIsimulator():
             
         earthshine_wave0, earthshine_flux0 = ill2flux(earth_e+star_e,self.information['dir_pah'])
         
+        
+        self.log.info('load star catlog 444444444')
         # sample as ifs wavelength
         wave_mci = np.linspace(2500, 11000, 8501) #np.arange(2500, 11000, 1)
         f1 = interp1d(wave0, zodi0)
@@ -1961,7 +1966,7 @@ class MCIsimulator():
         
         ########################################################################################
         
-        
+        self.log.info('load star catlog 5555555555555')
         #########################################################################################
         
         self.cal_sky_noise()  
@@ -1984,7 +1989,9 @@ class MCIsimulator():
         
         ####################################################################### 
         
-        if self.TianceEffect:          
+        if self.TianceEffect:      
+            
+            self.log.info('load star catlog 666666666666666')
             ra_list = self.star['ra_gaia'].tolist()
             dec_list = self.star['dec_gaia'].tolist()
             pmra_list = self.star['pmra_gaia'].tolist()
@@ -2022,7 +2029,7 @@ class MCIsimulator():
         st_magz=[]
         
 
-        
+        self.log.info('load star catlog 777777777')
         ####################   generate star image  ##########
         
         if self.debug: