Merge branch 'ycl/fix' into 'test'

fix

See merge request !297

api/reply.py

@@ -11,7 +11,7 @@ class ReplyUpdateOrCreateView(APIView):
         pictorial_id = request.GET.get('pictorial_id')
         offset = int(request.GET.get('page', 0))
         limit = int(request.GET.get('limit', 10))
-        filter = self.handle_filter(request.GET.get('filter', ""))
+        filter = self.handle_filter(request.GET.get('filter'))
 
         if topic_id:
             filter.update({'topic_id': topic_id})