add promote topic position

search/views/topic.py

@@ -118,7 +118,8 @@ def get_home_recommend_topic_ids(user_id, device_id, tag_id, offset, size, query
 
         promote_recommend_topic_id_list = TopicHomeRecommend.objects.using(settings.SLAVE_DB_NAME).filter(
             is_online=1).values_list("topic_id")
-        have_read_topic_id_list.extend(promote_recommend_topic_id_list)
+        for topic_id in promote_recommend_topic_id_list:
+           have_read_topic_id_list.append(topic_id)
         topic_id_list = list()
 
         rank_topic_id_list = TopicUtils.get_recommend_topic_ids(user_id=user_id, tag_id=tag_id, offset=offset, size=size,