diff --git a/plugins/Stripe/columns.php b/plugins/Stripe/columns.php
index 888f3e06..ef4f9256 100644
--- a/plugins/Stripe/columns.php
+++ b/plugins/Stripe/columns.php
@@ -15,6 +15,7 @@ return [
         'label' => '公钥',
         'type' => 'string',
         'required' => true,
+        'rules' => 'required|size:32',
         'description' => '公钥(Publishable key)',
     ],
     [
@@ -22,6 +23,7 @@ return [
         'label' => '密钥',
         'type' => 'string',
         'required' => true,
+        'rules' => 'required|size:32',
         'description' => '密钥(Secret key)',
     ],
     [