diff --git a/tests/test_mci_sim.py b/tests/test_mci_sim.py
index 553a555fcd38ff740105a24f6b33751382f2c709..60355c23da047f62d7193b74326b28148c861155 100644
--- a/tests/test_mci_sim.py
+++ b/tests/test_mci_sim.py
@@ -42,7 +42,7 @@ class TestDemoFunction(unittest.TestCase):
         # current_path = os.getcwd()         
         # print("当前路径:", current_path)
         
-        configfile = dir_path+'MCI_inputData/configData/mci_all_9K.config'
+        configfile = './csst_mci_sim/mci_data/mci_all_9K.config'
       
         sourcein = 'EXDF'
         print(configfile)
@@ -82,7 +82,7 @@ class TestDemoFunction(unittest.TestCase):
         # current_path = os.getcwd()         
         # print("当前路径:", current_path)
         
-        configfile = dir_path+'MCI_inputData/configData/mci_all_9K.config'
+        configfile = './csst_mci_sim/mci_data/mci_all_9K.config'
       
         sourcein = 'STAR'
         print(configfile)
@@ -123,7 +123,7 @@ class TestDemoFunction(unittest.TestCase):
         # current_path = os.getcwd()         
         # print("当前路径:", current_path)
         
-        configfile = dir_path+'MCI_inputData/configData/mci_all_9K.config'
+        configfile = './csst_mci_sim/mci_data/mci_all_9K.config'
       
         sourcein = 'BIAS'
         print(configfile)
@@ -163,7 +163,7 @@ class TestDemoFunction(unittest.TestCase):
         # current_path = os.getcwd()         
         # print("当前路径:", current_path)
         
-        configfile = dir_path+'MCI_inputData/configData/mci_all_9K.config'
+        configfile = './csst_mci_sim/mci_data/mci_all_9K.config'
       
         sourcein = 'DARK'
         print(configfile)
@@ -204,7 +204,7 @@ class TestDemoFunction(unittest.TestCase):
         # current_path = os.getcwd()         
         # print("当前路径:", current_path)
         
-        configfile = dir_path+'MCI_inputData/configData/mci_all_9K.config'      
+        configfile = './csst_mci_sim/mci_data/mci_all_9K.config'      
         sourcein = 'FLAT'
         print(configfile)