modify

search/views/topic.py

@@ -54,7 +54,7 @@ def home_recommend(session_id="",user_id=-1,offset=0,size=10):
                     if have_read_item:
                         have_read_topic_id_set.union(json.loads(have_read_item))
                 if user_id==-1:
-                    topic_id_list = list(set(topic_id_list).difference(have_read_topic_id_set))
+                    topic_id_list = list(set([item["id"] for item in topic_id_list]).difference(have_read_topic_id_set))
 
         for item in topic_id_list:
             if item["group_id"] in have_read_group_id_set: