diff --git a/application/api/controller/Base.php b/application/api/controller/Base.php
index 765fb57..4c2bc3c 100644
--- a/application/api/controller/Base.php
+++ b/application/api/controller/Base.php
@@ -356,6 +356,7 @@ class Base extends Controller
             return 'Instance already exists';
         }
 
+
         $article_info = $this->article_obj->where('article_id', $article_id)->find();
         $files = $this->article_file_obj
             ->where('article_id', $article_info['article_id'])