update

search/views/topic.py

@@ -96,7 +96,7 @@ def get_home_recommend_topic_ids(user_id, device_id, tag_id, offset, size, query
                 # user_similar_score_redis_list = json.loads(
                 #     redis_user_similar_score_redis_val) if redis_user_similar_score_redis_val else []
                 size = size - len(useful_topic_id_list)
-                have_read_topic_id_list = have_read_topic_id_list.extend(useful_topic_id_list)
+                have_read_topic_id_list.extend(useful_topic_id_list)
 
             # linucb 推荐帖子
             topic_recommend_redis_key = "physical:linucb:topic_recommend:device_id:" + str(device_id)