diff --git a/app/Http/Controllers/Admin/PlatformOrderController.php b/app/Http/Controllers/Admin/PlatformOrderController.php
index 9c1e91d..d7223c4 100644
--- a/app/Http/Controllers/Admin/PlatformOrderController.php
+++ b/app/Http/Controllers/Admin/PlatformOrderController.php
@@ -7,6 +7,7 @@ use App\Http\Controllers\Controller;
 use App\Models\Merchant;
 use App\Models\Plan;
 use App\Models\PlatformOrder;
+use App\Models\SiteSubscription;
 use App\Support\SubscriptionActivationService;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Http\RedirectResponse;
@@ -39,9 +40,16 @@ class PlatformOrderController extends Controller
             'remark' => (string) $request->query('remark', ''),
         ];
 
+        $siteSubscription = null;
+        $siteSubscriptionId = (int) ($defaults['site_subscription_id'] ?? 0);
+        if ($siteSubscriptionId > 0) {
+            $siteSubscription = SiteSubscription::query()->with(['merchant', 'plan'])->find($siteSubscriptionId);
+        }
+
         return view('admin.platform_orders.form', [
             'merchants' => $merchants,
             'plans' => $plans,
+            'siteSubscription' => $siteSubscription,
             'billingCycleLabels' => $this->billingCycleLabels(),
             'orderTypeLabels' => $this->orderTypeLabels(),
             'defaults' => $defaults,
diff --git a/resources/views/admin/platform_orders/form.blade.php b/resources/views/admin/platform_orders/form.blade.php
index f2d202d..373a555 100644
--- a/resources/views/admin/platform_orders/form.blade.php
+++ b/resources/views/admin/platform_orders/form.blade.php
@@ -7,6 +7,16 @@
 <div class="card mb-20">
     <p class="muted muted-tight">用于总台运营手工创建一笔平台订单（演示/补单/线下收款录入）。</p>
     <p class="muted">创建后可在「平台订单」列表中继续推进：标记支付并生效 → 同步订阅（形成最小收费闭环）。</p>
+
+    @if(($siteSubscription ?? null) && $siteSubscription->id)
+        <div class="mt-10">
+            <div class="muted">本订单将关联订阅：</div>
+            <div>
+                <a class="link" href="/admin/site-subscriptions/{{ $siteSubscription->id }}">{{ $siteSubscription->subscription_no }}</a>
+                <span class="muted">（订阅ID：{{ $siteSubscription->id }}）</span>
+            </div>
+        </div>
+    @endif
 </div>
 
 <form method="post" action="/admin/platform-orders" class="card form-grid">
diff --git a/tests/Feature/AdminPlatformOrderCreateTest.php b/tests/Feature/AdminPlatformOrderCreateTest.php
index d576b8b..6b634f5 100644
--- a/tests/Feature/AdminPlatformOrderCreateTest.php
+++ b/tests/Feature/AdminPlatformOrderCreateTest.php
@@ -47,6 +47,46 @@ class AdminPlatformOrderCreateTest extends TestCase
         $res->assertSee('创建订单');
     }
 
+    public function test_platform_admin_can_open_create_platform_order_form_with_site_subscription_hint(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+
+        $plan = Plan::query()->create([
+            'code' => 'create_order_plan_01b',
+            'name' => '创建订单测试套餐(订阅联动)',
+            'billing_cycle' => 'monthly',
+            'price' => 100,
+            'list_price' => 100,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $sub = \App\Models\SiteSubscription::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'status' => 'activated',
+            'source' => 'manual',
+            'subscription_no' => 'SUB_CREATE_ORDER_HINT_0001',
+            'plan_name' => $plan->name,
+            'billing_cycle' => 'monthly',
+            'period_months' => 1,
+            'amount' => 88,
+            'starts_at' => now()->subDays(2),
+            'ends_at' => now()->addDays(20),
+            'activated_at' => now()->subDays(2),
+        ]);
+
+        $res = $this->get('/admin/platform-orders/create?site_subscription_id=' . $sub->id);
+
+        $res->assertOk();
+        $res->assertSee('本订单将关联订阅：');
+        $res->assertSee('SUB_CREATE_ORDER_HINT_0001');
+        $res->assertSee('/admin/site-subscriptions/' . $sub->id);
+    }
+
     public function test_platform_admin_can_create_platform_order_and_see_it_in_show_page(): void
     {
         $this->loginAsPlatformAdmin();