动态删除

application/api/controller/Topicdongtai.php

@@ -193,10 +193,11 @@ class Topicdongtai extends Api
         //话题少一个贴
         if (!empty($dongtai['topic_ids'])) {
             $res = Db::name('topic_hub')->where('id','IN',$dongtai['topic_ids'])->setDec('t_number');
+            /*话题可能被删掉了，这里不判断了
             if (!$res) {
                 Db::rollback();
                 $this->error('更新话题数量失败');
-            }
+            }*/
         }
         //删除对应的评论，
         Db::name('topic_dongtai_answer')->where('dt_id',$id)->delete();