diff --git a/app/admin/validate/v1/ArticleValidate.php b/app/admin/validate/v1/ArticleValidate.php
index 17c2e606..9dcc355d 100644
--- a/app/admin/validate/v1/ArticleValidate.php
+++ b/app/admin/validate/v1/ArticleValidate.php
@@ -19,7 +19,7 @@ class ArticleValidate extends Validate
         'title'        => 'require|max:128',
         'image'        => 'max:125',
         'link'         => 'max:255',
-        'desc'         => 'max:255',
+        'desc'         => 'max:512',
         'sort'         => 'integer',
         'recommend'    => 'require|in:0,1',
         'release_time' => 'dateFormat:Y-m-d H:i:s',