diff --git a/tests/Feature/AdminSiteSubscriptionExpiryFilterShouldWorkTest.php b/tests/Feature/AdminSiteSubscriptionExpiryFilterShouldWorkTest.php
new file mode 100644
index 0000000..d0f9de3
--- /dev/null
+++ b/tests/Feature/AdminSiteSubscriptionExpiryFilterShouldWorkTest.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\SiteSubscription;
+use Carbon\Carbon;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminSiteSubscriptionExpiryFilterShouldWorkTest 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_expiry_filters_should_work(): void
+    {
+        Carbon::setTestNow(Carbon::parse('2026-03-15 10:00:00'));
+
+        $this->loginAsPlatformAdmin();
+
+        $merchantId = (int) Merchant::query()->value('id');
+        $planId = (int) Plan::query()->value('id');
+
+        SiteSubscription::query()->create([
+            'merchant_id' => $merchantId,
+            'plan_id' => $planId,
+            'status' => 'activated',
+            'source' => 'manual',
+            'subscription_no' => 'SUB-EXPIRED-1',
+            'plan_name' => '测试套餐',
+            'billing_cycle' => 'monthly',
+            'period_months' => 1,
+            'amount' => 99,
+            'starts_at' => now()->subDays(30),
+            'ends_at' => now()->subDay(),
+            'activated_at' => now()->subDays(30),
+        ]);
+
+        SiteSubscription::query()->create([
+            'merchant_id' => $merchantId,
+            'plan_id' => $planId,
+            'status' => 'activated',
+            'source' => 'manual',
+            'subscription_no' => 'SUB-EXPIRING-1',
+            'plan_name' => '测试套餐',
+            'billing_cycle' => 'monthly',
+            'period_months' => 1,
+            'amount' => 99,
+            'starts_at' => now()->subDays(30),
+            'ends_at' => now()->addDays(6),
+            'activated_at' => now()->subDays(30),
+        ]);
+
+        SiteSubscription::query()->create([
+            'merchant_id' => $merchantId,
+            'plan_id' => $planId,
+            'status' => 'activated',
+            'source' => 'manual',
+            'subscription_no' => 'SUB-LATER-1',
+            'plan_name' => '测试套餐',
+            'billing_cycle' => 'monthly',
+            'period_months' => 1,
+            'amount' => 99,
+            'starts_at' => now()->subDays(30),
+            'ends_at' => now()->addDays(20),
+            'activated_at' => now()->subDays(30),
+        ]);
+
+        $res = $this->get('/admin/site-subscriptions?expiry=expired');
+        $res->assertOk();
+        $res->assertSee('SUB-EXPIRED-1');
+        $res->assertDontSee('SUB-EXPIRING-1');
+        $res->assertDontSee('SUB-LATER-1');
+
+        $res = $this->get('/admin/site-subscriptions?expiry=expiring_7d');
+        $res->assertOk();
+        $res->assertSee('SUB-EXPIRING-1');
+        $res->assertDontSee('SUB-EXPIRED-1');
+        $res->assertDontSee('SUB-LATER-1');
+    }
+}