diff --git a/.gitignore b/.gitignore
index a2e6bd485b806f6987c505bcdccbef3f19589115..862bb98f7f737e14d3f6dc28182e3504d396cc34 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 doc/
+__pycache__/
diff --git a/src/crmask.py b/src/crmask.py
index ad2bf860a59fd683747bb933c6a63131f0b66c16..2ec8098048418bfc967f08bc040441f1458893e0 100644
--- a/src/crmask.py
+++ b/src/crmask.py
@@ -29,7 +29,7 @@ import sys
 __all__ = ['CRMask']
 
 class CRMask:
-    def __init__(self, obj, flag = None, mask = None, clean = None, sky = None, save_flag = True, update_flag = True, save_name = None, flag_suffix = 'flg', clean_suffix = 'crclean', append_flag = False, mask_suffix = 'crmask', model = 'deepCR', fill_flag = True, fill_method = 'inpainting', gpu_flag = False, config_path = 'crmask.ini', **kwargs):
+    def __init__(self, obj, flag = None, mask = None, clean = None, sky = None, save_flag = True, update_flag = True, save_name = None, flag_suffix = 'flg', clean_suffix = 'crclean', append_flag = False, mask_suffix = 'crmask', model = 'deepCR', fill_flag = True, fill_method = 'inpainting', gpu_flag = False, config_path = '../conf/crmask.ini', **kwargs):
         """
         Instantiation of CRMask with specified model configuration.
         
@@ -65,7 +65,7 @@ class CRMask:
         gpu_flag : (optional) boolean
             whether use GPU, default is False
         config_path : (optional) string
-            configuration file path, default is ``./crmask.ini``
+            configuration file path, default is ``../conf/crmask.ini``
         """
         
         self.model = model