update

search/views/topic.py

@@ -111,7 +111,7 @@ def get_home_recommend_topic_ids(user_id, device_id, tag_id, offset, size, query
 
             if b"datadict" in recommend_topic_dict:
                 linucb_recommend_topic_id_dict = json.loads(recommend_topic_dict[b"datadict"])
-                if linucb_recommend_topic_id_dict is not None:
+                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)])
             # 用户关注标签