diff --git a/database/migrations/20241220094223_create_attachment.php b/database/migrations/20241220094223_create_attachment.php
index aa11f2dd..a7370b62 100644
--- a/database/migrations/20241220094223_create_attachment.php
+++ b/database/migrations/20241220094223_create_attachment.php
@@ -31,8 +31,8 @@ class CreateAttachment extends Migrator
         $table = $this->table('attachment', ['engine' => 'MyISAM', 'comment' => '附件表']);
         $table->addColumn('language_id', 'integer', ['signed' => false , 'null' => false, 'comment' => '语言ID'])
             ->addColumn('category_id', 'integer', ['signed' => false , 'null' => false, 'comment' => '分类ID'])
-            ->addColumn('name', 'string', ['limit' => 64 , 'null' => false, 'comment' => '名称'])
-            ->addColumn('desc', 'string', ['limit' => 255, 'default' => null, 'comment' => '描述信息'])
+            ->addColumn('name', 'string', ['limit' => 128 , 'null' => false, 'comment' => '名称'])
+            ->addColumn('desc', 'string', ['limit' => 512, 'default' => null, 'comment' => '描述信息'])
             ->addColumn('image', 'string', ['limit' => 255, 'default' => null, 'comment' => '图片地址'])
             ->addColumn('applicable_to', 'string', ['limit' => 255, 'default' => null, 'comment' => '适用于(型号),多个以英文逗号分隔'])
             ->addColumn('support_platform', 'string', ['limit' => 255, 'default' => null, 'comment' => '支持平台,多个以英文逗号分隔'])