Admin subscriptions: hide batch expired action in attach order mode

resources/views/admin/site_subscriptions/index.blade.php

@@ -271,6 +271,7 @@
             <a class="btn btn-sm" href="{!! $createOrderFromSubIndexUrl !!}">续费下单（先选订阅）</a>
         @endif
 
+        @if($attachOrderId <= 0)
         <form method="post" action="/admin/site-subscriptions/batch-mark-expired" data-action="disable-on-submit" onsubmit="return confirm('确认将当前筛选集合内的订阅批量标记为已过期？该操作会更新 status 字段。');" class="actions gap-10">
             @csrf
             <input type="hidden" name="status" value="{{ $filters['status'] ?? '' }}">
@@ -292,6 +293,7 @@
                 @endif
             </div>
         </form>
+        @endif
     </div>
     <div class="muted muted-xs mt-6">
         @if($attachOrderId > 0)