diff --git a/tests/Feature/AdminDashboardRecentPlatformOrdersScanlineShouldShowSyncNoneWhenNoActivationOrErrorTest.php b/tests/Feature/AdminDashboardRecentPlatformOrdersScanlineShouldShowSyncNoneWhenNoActivationOrErrorTest.php
new file mode 100644
index 0000000..138dc56
--- /dev/null
+++ b/tests/Feature/AdminDashboardRecentPlatformOrdersScanlineShouldShowSyncNoneWhenNoActivationOrErrorTest.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Admin;
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminDashboardRecentPlatformOrdersScanlineShouldShowSyncNoneWhenNoActivationOrErrorTest 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_dashboard_recent_platform_orders_scanline_should_show_sync_none_when_no_activation_or_error(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $platformAdminId = (int) Admin::query()->where('email', 'platform.admin@demo.local')->value('id');
+
+        $plan = Plan::query()->create([
+            'code' => 'dash_recent_order_sync_none_scanline_plan',
+            'name' => '仪表盘最近订单 同步无记录扫描行测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'site_subscription_id' => null,
+            'created_by_admin_id' => $platformAdminId ?: null,
+            'order_no' => 'PO_DASH_SYNC_NONE_SCANLINE_0001',
+            'order_type' => 'renewal',
+            'status' => 'pending',
+            'payment_status' => 'paid',
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'meta' => [
+                'payment_summary' => ['total_amount' => 10],
+                // 注意：不提供 subscription_activation / subscription_activation_error
+            ],
+        ]);
+
+        $res = $this->get('/admin');
+        $res->assertOk();
+
+        $res->assertSee('PO_DASH_SYNC_NONE_SCANLINE_0001');
+        $res->assertSee('data-role="recent-platform-order-scanline"', false);
+
+        // 关键：同步摘要应显示 “无”
+        $res->assertSee('同步：', false);
+        $res->assertSee('无', false);
+
+        // 且不应出现“同步失败”提示块，也不应出现 sync-failed 锚点
+        $res->assertDontSee('data-role="recent-order-sync-failed-hint"', false);
+        $res->assertDontSee('#sync-failed', false);
+    }
+}