modify

linucb/views/collect_data.py

@@ -118,10 +118,12 @@ class CollectData(object):
                             tag_topic_id_list = self.get_tag_topic_list(tag_id)
                             redis_client.set(redis_tag_id_key,json.dumps(tag_topic_id_list))
                             redis_client.expire(redis_tag_id_key,1*24*60*60)
-                        for topic_id in tag_topic_id_list:
-                            if topic_id not in have_read_topic_id_list:
-                                recommend_topic_id_list.append(topic_id)
-                                break
+
+                        if len(tag_topic_id_list)>index:
+                            for topic_id in tag_topic_id_list[index:]:
+                                if topic_id not in have_read_topic_id_list:
+                                    recommend_topic_id_list.append(topic_id)
+                                    break
 
                 topic_recommend_redis_key = self.linucb_recommend_topic_id_prefix + str(device_id)
                 redis_data_dict = {