我的评论，bug

application/api/controller/Topicdongtai.php

@@ -685,7 +685,7 @@ class Topicdongtai extends Api
             'a.level'    => 1,
         ];
         $list = Db::name('topic_dongtai_answer')->alias('a')
-            ->field('a.id,a.createtime,a.content,
+            ->field('a.id,a.createtime,a.content,a.dt_id,
             dt.images,dt.content as dt_content,dt.type as dt_type,dtuser.nickname as dtuser_nickname,
             user.nickname,user.avatar,user.gender,user.birthday,user.attribute,uw.vip_endtime')
             ->join('topic_dongtai dt','a.dt_id = dt.id','LEFT')