diff --git a/resources/views/admin/site_subscriptions/index.blade.php b/resources/views/admin/site_subscriptions/index.blade.php
index 6918383..056d8d3 100644
--- a/resources/views/admin/site_subscriptions/index.blade.php
+++ b/resources/views/admin/site_subscriptions/index.blade.php
@@ -147,7 +147,7 @@
                 <td>
                     @php $cnt = (int) ($subscription->platform_orders_count ?? 0); @endphp
                     @if($cnt > 0)
-                        <a href="/admin/platform-orders?keyword={{ urlencode($subscription->subscription_no) }}">{{ $cnt }}</a>
+                        <a href="/admin/platform-orders?site_subscription_id={{ $subscription->id }}">{{ $cnt }}</a>
                     @else
                         <span class="muted">0</span>
                     @endif
diff --git a/tests/Feature/AdminSiteSubscriptionLinksTest.php b/tests/Feature/AdminSiteSubscriptionLinksTest.php
new file mode 100644
index 0000000..88d8a13
--- /dev/null
+++ b/tests/Feature/AdminSiteSubscriptionLinksTest.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use App\Models\SiteSubscription;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminSiteSubscriptionLinksTest 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_subscription_index_platform_orders_count_links_to_orders_by_subscription_id(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'sub_link_orders_count',
+            'name' => '订阅列表链接测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $sub = SiteSubscription::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'status' => 'activated',
+            'source' => 'manual',
+            'subscription_no' => 'SUB_LINK_CNT_0001',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'amount' => 10,
+            'starts_at' => now()->subDay(),
+            'ends_at' => now()->addMonth(),
+            'activated_at' => now()->subDay(),
+        ]);
+
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'site_subscription_id' => $sub->id,
+            'created_by_admin_id' => 1,
+            'order_no' => 'PO_SUB_CNT_0001',
+            'order_type' => 'renewal',
+            '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()->subMinutes(2),
+            'paid_at' => now()->subMinute(),
+            'activated_at' => now(),
+        ]);
+
+        $this->get('/admin/site-subscriptions')
+            ->assertOk()
+            ->assertSee('/admin/platform-orders?site_subscription_id=' . $sub->id);
+    }
+}