diff --git a/authors/apps/articles/models.py b/authors/apps/articles/models.py
index 7c28e2b..6e63eba 100644
--- a/authors/apps/articles/models.py
+++ b/authors/apps/articles/models.py
@@ -298,7 +298,9 @@ def ratings(self, article_id, user):
             return {
                 "average_ratings": Article().average_ratings(article_id)
             }
-        return 0
+        return {
+            "average_ratings": 0
+        }
 
 
 class CommentHistory(models.Model):
diff --git a/authors/apps/articles/serializers.py b/authors/apps/articles/serializers.py
index 30aa2f6..9dcd07a 100644
--- a/authors/apps/articles/serializers.py
+++ b/authors/apps/articles/serializers.py
@@ -127,7 +127,8 @@ class Meta:
         fields = (
             'slug', 'title', 'description', 'body', 'image', 'image_url',
             'created_at', 'updated_at', 'author', 'ratings', 'tagList',
-            'like_info', 'comments', 'favorites', 'readtime', 'bookmarked'
+            'like_info', 'comments', 'favorites', 'readtime', 'bookmarked',
+            'num_vote_up', 'num_vote_down'
         )
         extra_kwargs = {
             'image': {'write_only': True, 'required': False}
diff --git a/authors/utils/notification_handlers.py b/authors/utils/notification_handlers.py
index 8697637..7f6508d 100644
--- a/authors/utils/notification_handlers.py
+++ b/authors/utils/notification_handlers.py
@@ -26,13 +26,12 @@ def create_article_handler(sender, instance, created, **kwargs):
         article_author,
         title.upper(),
         instance.created_at.strftime('%d-%B-%Y %H:%M'))
-
+    url = f"/post/{instance.slug}"
+    url = f"{settings.DOMAIN}{url}"
     if not followers:
         return
     for user in followers:
         if user.user.notification_preferences.in_app_notifications:
-            url = f"/post/{instance.slug}"
-            url = f"{settings.DOMAIN}{url}"
             notify.send(
                 article_author,
                 recipient=user.user,