bug fix

linucb/views/collect_data.py

@@ -99,9 +99,8 @@ class CollectData(object):
                 tag_topic_id_list = ESPerform.get_tag_topic_list(tag_id_list,have_read_topic_id_list)
                 topic_recommend_redis_key = self.linucb_recommend_topic_id_prefix + str(device_id)
 
-                if click_topic_tag_list:
-                    if len(click_topic_tag_list)>0:
-                        tag_topic_id_list = click_topic_tag_list + tag_topic_id_list
+                if len(recommend_topic_id_list):
+                    tag_topic_id_list = recommend_topic_id_list + tag_topic_id_list
                 else:
                     redis_topic_data_dict = redis_client.hgetall(topic_recommend_redis_key)
                     redis_topic_list = list()