diff --git a/apps/web-antd/src/views/license/customer/data.ts b/apps/web-antd/src/views/license/customer/data.ts
index 69d344a..b20a41f 100644
--- a/apps/web-antd/src/views/license/customer/data.ts
+++ b/apps/web-antd/src/views/license/customer/data.ts
@@ -131,6 +131,7 @@ export function useFormSchema(): VbenFormSchema[] {
       fieldName: 'email',
       label: $t('customer.email'),
       component: 'Input',
+      rules: z.string().email().or(z.literal('')).optional(),
     },
     {
       fieldName: 'remark',