diff --git a/tests/test_mci_sim.py b/tests/test_mci_sim.py
index d0c12d5e7ee1105b4d4f7d58f8ef06c537445b99..04580f06c51fecbce974b11faeb05d6acca96a24 100644
--- a/tests/test_mci_sim.py
+++ b/tests/test_mci_sim.py
@@ -219,45 +219,6 @@ class TestDemoFunction(unittest.TestCase):
         
         
 # ############################################################################
-#     def test_mci_sim_6(self):
-        
-#         """
-#         Aim
-#         ---
-#         Test mci sim function: EXDF case.
-    
-#         Criteria
-#         --------
-#         Pass if the demo function returns `1`.
-    
-#         Details
-#         -------
-#         The demo function returns the length of the input argument list.
-#         This case aims to test whether the demo function returns `1` if input is `None`.
-#         """
-#         faulthandler.enable()
-        
-#         # demo function test
-#         dir_path = os.path.join(os.environ['UNIT_TEST_DATA_ROOT'],'mci_sim/')
-#         print(dir_path)
-    
-#         # 获取当前工作目录
-#         # current_path = os.getcwd()         
-#         # print("当前路径:", current_path)
-        
-#         configfile = './csst_mci_sim/mci_data/mci_all_9K.config'
-      
-#         sourcein = 'STAR'
-#         print(configfile)
-        
-#         debug=True
-                
-#         csst_mci_sim.runMCIsim(sourcein,  configfile, dir_path, debug, 1)
-        
-#         self.assertEqual(
-#             1 , 1,
-#             "case 6: STAR sim passes.",
-#         )
-#     #############################################
+
 
     
\ No newline at end of file