恢复误删代码

api/topic.py

@@ -124,7 +124,7 @@ class TopicListBatchUpdate(APIView):
         updates = self.handle_filter(request.POST.get('updates', "{}"))
         extra = json.loads(request.POST.get('extra', '{}'))
         try:
-            self.rpc['venus/sun/topic/batch/update'](updates=updates, ids=ids).unwrap()
+            self.rpc['venus/sun/topic/batch/update'](updates=updates, ids=ids, extra=extra).unwrap()
         except Exception as e:
             error_logger.error(u'批量更新帖子失败%s', e)
             raise