我的评论，bug

application/api/controller/Topicdongtai.php

@@ -681,7 +681,7 @@ class Topicdongtai extends Api
     //我的评论
     public function my_answer(){
         $map = [
-            'dt.user_id' => $this->auth->id,
+            'a.user_id' => $this->auth->id,
             'a.level'    => 1,
         ];
         $list = Db::name('topic_dongtai_answer')->alias('a')