diff --git a/app/Http/Controllers/Admin/PlatformOrderController.php b/app/Http/Controllers/Admin/PlatformOrderController.php
index ed7de7b..bef1d96 100644
--- a/app/Http/Controllers/Admin/PlatformOrderController.php
+++ b/app/Http/Controllers/Admin/PlatformOrderController.php
@@ -30,11 +30,14 @@ class PlatformOrderController extends Controller
         $plans = Plan::query()->orderBy('sort')->orderByDesc('id')->get();
 
         // 支持从其它页面（例如订阅详情）带默认值跳转过来，提高运营效率
+        $orderTypeFromQuery = $request->query('order_type');
+
         $defaults = [
             'merchant_id' => (int) $request->query('merchant_id', 0),
             'plan_id' => (int) $request->query('plan_id', 0),
             'site_subscription_id' => (int) $request->query('site_subscription_id', 0),
-            'order_type' => (string) $request->query('order_type', 'new_purchase'),
+            // 未显式传 order_type 时默认 new_purchase；若是从订阅进入（site_subscription_id 存在），稍后会进一步偏向 renewal。
+            'order_type' => $orderTypeFromQuery === null ? 'new_purchase' : (string) $orderTypeFromQuery,
             'quantity' => (int) $request->query('quantity', 1),
             'discount_amount' => (float) $request->query('discount_amount', 0),
             'payment_channel' => (string) $request->query('payment_channel', ''),
@@ -66,6 +69,11 @@ class PlatformOrderController extends Controller
                 $defaults['plan_id'] = (int) ($siteSubscription->plan_id ?? 0);
             }
 
+            // 治理口径：从订阅进入（site_subscription_id 存在）时，若未显式指定 order_type，则默认偏向续费。
+            if ($orderTypeFromQuery === null && trim((string) ($defaults['order_type'] ?? '')) === 'new_purchase') {
+                $defaults['order_type'] = 'renewal';
+            }
+
             // 续费默认备注：若未显式传 remark，自动补齐“来自订阅：{subscription_no}”用于追溯/检索。
             if ((string) ($defaults['order_type'] ?? '') === 'renewal' && trim((string) ($defaults['remark'] ?? '')) === '') {
                 $remarkPrefix = (string) config('saasshop.platform_orders.renewal_order_remark_prefix', '来自订阅：');
diff --git a/tests/Feature/AdminPlatformOrderCreateDefaultOrderTypeRenewalWhenFromSubscriptionTest.php b/tests/Feature/AdminPlatformOrderCreateDefaultOrderTypeRenewalWhenFromSubscriptionTest.php
new file mode 100644
index 0000000..454c29c
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderCreateDefaultOrderTypeRenewalWhenFromSubscriptionTest.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\SiteSubscription;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderCreateDefaultOrderTypeRenewalWhenFromSubscriptionTest 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_create_should_default_to_renewal_when_site_subscription_id_present_and_order_type_not_provided(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+
+        $plan = Plan::query()->create([
+            'code' => 'po_create_default_type_renewal_plan',
+            'name' => '从订阅进入默认续费测试套餐',
+            '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_DEFAULT_TYPE_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(),
+        ]);
+
+        // 注意：不传 order_type
+        $res = $this->get('/admin/platform-orders/create?site_subscription_id=' . $sub->id);
+        $res->assertOk();
+
+        $res->assertSee('value="renewal" selected', false);
+    }
+}