diff --git a/apps/admin/app/dashboard/subscribe/app/form.tsx b/apps/admin/app/dashboard/subscribe/app/form.tsx
index 1c0915d..83d768c 100644
--- a/apps/admin/app/dashboard/subscribe/app/form.tsx
+++ b/apps/admin/app/dashboard/subscribe/app/form.tsx
@@ -50,7 +50,7 @@ const defaultValues = {
 
 const versionSchema = z.object({
   url: z.string(),
-  version: z.string(),
+  version: z.string().optional(),
   description: z.string().optional(),
   is_default: z.boolean().optional(),
 });
@@ -221,6 +221,7 @@ export default function SubscribeAppForm<
                                     name: 'version',
                                     type: 'text',
                                     placeholder: t('version'),
+                                    defaultValue: '1.0.0',
                                   },
                                   {
                                     name: 'description',
@@ -251,7 +252,10 @@ export default function SubscribeAppForm<
                                 ]}
                                 value={field.value}
                                 onChange={(value) => {
-                                  form.setValue(field.name, value);
+                                  form.setValue(
+                                    field.name,
+                                    value.filter((item) => item.url),
+                                  );
                                 }}
                               />
                             </FormControl>
diff --git a/apps/admin/app/dashboard/system/site.tsx b/apps/admin/app/dashboard/system/site.tsx
index 1f7e7bd..9f3fe59 100644
--- a/apps/admin/app/dashboard/system/site.tsx
+++ b/apps/admin/app/dashboard/system/site.tsx
@@ -122,7 +122,7 @@ export default function Site() {
           <TableCell className='text-right'>
             <Textarea
               className='h-52'
-              placeholder={t('siteDomainPlaceholder')}
+              placeholder={`${t('siteDomainPlaceholder')}\nexample.com\nwww.example.com`}
               defaultValue={data?.host}
               onBlur={(e) => {
                 updateConfig('host', e.target.value);