Merge branch 'similar_sort' into 'master'

modify

See merge request !155

search/views/topic.py

@@ -245,7 +245,7 @@ def topic_detail_page_recommend(device_id="",user_id=-1,topic_id=-1,topic_group_
         if have_read_topic_len>5000:
             have_read_topic_list = have_read_topic_list[(have_read_topic_len-5000):]
 
-        redis_client.set(json.dumps(have_read_topic_list))
+        redis_client.set(redis_key, json.dumps(have_read_topic_list))
         return {"recommend_topic_ids": recommend_topic_ids_list}
     except:
         logging.error("catch exception,err_msg:%s" % traceback.format_exc())