diff --git a/tests/Feature/AdminPlatformOrderExportRefundStatusFilterTest.php b/tests/Feature/AdminPlatformOrderExportRefundStatusFilterTest.php
new file mode 100644
index 0000000..cb517fe
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderExportRefundStatusFilterTest.php
@@ -0,0 +1,124 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderExportRefundStatusFilterTest 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_platform_orders_export_can_filter_by_refund_status_has_and_none(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'export_refund_status_filter_test',
+            'name' => '导出退款筛选测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        // 有退款：refund_receipts
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_EXPORT_REFUND_HAS_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            'payment_status' => 'partially_refunded',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'paid_at' => now(),
+            'activated_at' => now(),
+            'meta' => [
+                'refund_receipts' => [
+                    ['amount' => 1.00, 'refunded_at' => now()->toDateTimeString()],
+                ],
+            ],
+        ]);
+
+        // 有退款：refund_summary
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_EXPORT_REFUND_HAS_0002',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            'payment_status' => 'refunded',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'paid_at' => now(),
+            'activated_at' => now(),
+            'meta' => [
+                'refund_summary' => [
+                    'count' => 1,
+                    'total_amount' => 10.00,
+                ],
+            ],
+        ]);
+
+        // 无退款
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_EXPORT_REFUND_NONE_0003',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            'payment_status' => 'paid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'paid_at' => now(),
+            'activated_at' => now(),
+            'meta' => [],
+        ]);
+
+        $res1 = $this->get('/admin/platform-orders/export?refund_status=has');
+        $res1->assertOk();
+        $content1 = $res1->streamedContent();
+        $this->assertStringContainsString('PO_EXPORT_REFUND_HAS_0001', $content1);
+        $this->assertStringContainsString('PO_EXPORT_REFUND_HAS_0002', $content1);
+        $this->assertStringNotContainsString('PO_EXPORT_REFUND_NONE_0003', $content1);
+
+        $res2 = $this->get('/admin/platform-orders/export?refund_status=none');
+        $res2->assertOk();
+        $content2 = $res2->streamedContent();
+        $this->assertStringContainsString('PO_EXPORT_REFUND_NONE_0003', $content2);
+        $this->assertStringNotContainsString('PO_EXPORT_REFUND_HAS_0001', $content2);
+        $this->assertStringNotContainsString('PO_EXPORT_REFUND_HAS_0002', $content2);
+    }
+}