diff --git a/tests/Feature/AdminPlatformOrderExportKeepsBatchBmpa24hFilterTest.php b/tests/Feature/AdminPlatformOrderExportKeepsBatchBmpa24hFilterTest.php
new file mode 100644
index 0000000..9d46724
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderExportKeepsBatchBmpa24hFilterTest.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderExportKeepsBatchBmpa24hFilterTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_export_form_keeps_batch_mark_paid_and_activate_24h_filter_value(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin/platform-orders?batch_mark_paid_and_activate_24h=1');
+        $res->assertOk();
+
+        // 导出表单应透传当前筛选口径，避免“列表筛选已生效但导出漏口径”
+        $res->assertSee('<form method="get" action="/admin/platform-orders/export"', false);
+        $res->assertSee('<input type="hidden" name="batch_mark_paid_and_activate_24h" value="1">', false);
+    }
+}