diff --git a/resources/views/admin/platform_orders/index.blade.php b/resources/views/admin/platform_orders/index.blade.php
index a1f5e9c..16ce735 100644
--- a/resources/views/admin/platform_orders/index.blade.php
+++ b/resources/views/admin/platform_orders/index.blade.php
@@ -213,7 +213,11 @@
         @if(count($failedReasonStats) > 0)
             <div class="muted mt-6">
                 @foreach($failedReasonStats as $item)
-                    <div>{{ $item['reason'] }} <span class="muted">（{{ $item['count'] }}）</span></div>
+                    @php $reason = (string) ($item['reason'] ?? ''); @endphp
+                    <div>
+                        <a class="link" href="{!! request()->fullUrlWithQuery(['sync_error_keyword' => $reason, 'sync_status' => 'failed', 'page' => null]) !!}">{{ $reason }}</a>
+                        <span class="muted">（{{ $item['count'] }}）</span>
+                    </div>
                 @endforeach
             </div>
         @else
diff --git a/tests/Feature/AdminPlatformOrderFailedReasonTopLinkTest.php b/tests/Feature/AdminPlatformOrderFailedReasonTopLinkTest.php
new file mode 100644
index 0000000..ee4f304
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderFailedReasonTopLinkTest.php
@@ -0,0 +1,73 @@
+<?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 AdminPlatformOrderFailedReasonTopLinkTest 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_failed_reason_top5_reason_is_clickable_and_sets_sync_error_keyword_and_failed_status(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'failed_reason_link_test',
+            'name' => '失败原因链接测试',
+            '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,
+            'order_no' => 'PO_FAIL_REASON_0001',
+            'order_type' => 'renewal',
+            'status' => 'pending',
+            'payment_status' => 'unpaid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 0,
+            'placed_at' => now()->subMinutes(2),
+            'meta' => [
+                'subscription_activation_error' => [
+                    'message' => '模拟失败：站点已过期',
+                    'at' => now()->toDateTimeString(),
+                    'admin_id' => 1,
+                ],
+            ],
+        ]);
+
+        $this->get('/admin/platform-orders')
+            ->assertOk()
+            ->assertSee('同步失败原因 TOP5')
+            ->assertSee('模拟失败：站点已过期')
+            ->assertSee(
+                '/admin/platform-orders?sync_error_keyword=' . urlencode('模拟失败：站点已过期') . '&sync_status=failed',
+                false
+            );
+    }
+}