update dict name

search/views/contrast_similar.py

@@ -102,4 +102,4 @@ def get_all_topic_id_list(user_id, offset, size):
     except:
 
         logging.error("catch exception,err_msg:%s" % traceback.format_exc())
-        return {"contrast_user_id_list": []}
+        return {"contrast_similar_topic_id": []}