diff --git a/app/common/model/AttachmentCategoryBaseModel.php b/app/common/model/AttachmentCategoryBaseModel.php
index ac391064..711aca09 100644
--- a/app/common/model/AttachmentCategoryBaseModel.php
+++ b/app/common/model/AttachmentCategoryBaseModel.php
@@ -18,6 +18,7 @@ class AttachmentCategoryBaseModel extends BaseModel
     // 字段信息
     protected $schema = [
         'id'          => 'int',
+        'pid'         => 'int',
         'language_id' => 'int',
         'name'        => 'string',
         'sort'        => 'int',