From 9857fac4b95d86a8d4f5655c4ce45aa2ef8ef028 Mon Sep 17 00:00:00 2001
From: ste87 <noc@axivora.net>
Date: Mon, 9 Mar 2026 12:40:03 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20Checkout.php?=
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---
 Checkout.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Checkout.php b/Checkout.php
index cd0ea8d..3108298 100644
--- a/Checkout.php
+++ b/Checkout.php
@@ -194,6 +194,9 @@ class Checkout extends Component
                     $validationRules = array_merge($validationRules, explode('|', $config['validation']));
                 }
             }
+            if ($config['name'] === 'hostname') {
+                $validationRules = ['required', 'string', 'regex:/^[a-zA-Z0-9]+\.[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)*$/'];
+            }
             if (count($validationRules) > 0) {
                 $rules["checkoutConfig.{$config['name']}"] = $validationRules;
             }