update

search/views/topic.py

@@ -27,6 +27,8 @@ def get_discover_page_topic_ids(user_id, device_id, size, query_type=TopicPageTy
         redis_field_val_list = redis_client.hmget(redis_key, redis_field_list)
 
         have_read_topic_id_list = json.loads(redis_field_val_list[0]) if redis_field_val_list[0] else []
+        if have_read_topic_id_list == None:
+            have_read_topic_id_list = list()
 
         recommend_topic_ids = TopicUtils.get_recommend_topic_ids(user_id=user_id, tag_id=0, offset=0, size=size,single_size=size,
                                                            query_type=query_type,
@@ -118,6 +120,8 @@ def get_home_recommend_topic_ids(user_id, device_id, tag_id, offset, size, query
                 if linucb_recommend_topic_id_dict is not None and len(recommend_topic_list) >0:
                   for i in recommend_topic_list:
                     recommend_topic_user_list.append(linucb_recommend_topic_id_dict[str(i)])
+            if have_read_topic_id_list == None:
+                have_read_topic_id_list = list()
             # 用户关注标签
             redis_tag_data = redis_client.hget("physical:linucb:register_user_tag_info", user_id)
             attention_tag_list = json.loads(redis_tag_data) if redis_tag_data else []