diff --git a/app/index/controller/TopicNas.php b/app/index/controller/TopicNas.php
index 1088e179..a4bedd0b 100644
--- a/app/index/controller/TopicNas.php
+++ b/app/index/controller/TopicNas.php
@@ -347,7 +347,10 @@ class TopicNas extends Common
         $parent_two = ArticleCategoryModel::ParentChild(array_column($categorys, 'id'))->language($this->lang_id)->column('pid','id');//二级分类id
         $articles_data = $articles->toArray();
         foreach ($articles_data as &$v) {
-            $v['pid'] = isset($parent_two[$v['category_id']])?$parent_two[$v['category_id']]:'';
+            if ( isset($parent_two[$v['category_id']]) ) {
+                $v['pid'] = $v['category_id'];
+                $v['category_id'] = $parent_two[$v['category_id']];
+            }
         }
 
         return success('success', $articles_data);