diff --git a/modules/aeolus/datasource.py b/modules/aeolus/datasource.py
index b1c8e17d8e679643d3efbfadf5d904cfbd50ae2a..665076d57be577c32e6ac6627e78001af3a7c63a 100644
--- a/modules/aeolus/datasource.py
+++ b/modules/aeolus/datasource.py
@@ -10,7 +10,7 @@ from util.util import GenericException
 class AMVFiles:
 
     def __init__(self, files_path, file_time_span, pattern, band='14', elem_name=None, line_name=None, lat_name=None,
-                 lon_name=None, params=None, out_params=None, meta_dict=None):
+                 lon_name=None, params=None, out_params=None, meta_dict=None, qc_params=None):
 
         self.flist = glob.glob(files_path + pattern)
         if len(self.flist) == 0:
@@ -41,6 +41,7 @@ class AMVFiles:
         if out_params is not None:
             self.out_params = out_params
         self.meta_dict = meta_dict
+        self.qc_params = qc_params
 
     def get_datetime(self, pathname):
         pass
@@ -76,6 +77,9 @@ class AMVFiles:
     def get_meta_dict(self):
         return self.meta_dict
 
+    def filter(self):
+        pass
+
 
 class Framework(AMVFiles):
     def __init__(self, files_path, file_time_span, band='14'):