diff --git a/tests/Feature/AdminPlatformOrderShowRelationSubscriptionBlockShouldHaveAnchorTest.php b/tests/Feature/AdminPlatformOrderShowRelationSubscriptionBlockShouldHaveAnchorTest.php
new file mode 100644
index 0000000..3b7081f
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderShowRelationSubscriptionBlockShouldHaveAnchorTest.php
@@ -0,0 +1,63 @@
+seed();
+
+ $this->post('/admin/login', [
+ 'email' => 'platform.admin@demo.local',
+ 'password' => 'Platform@123456',
+ ])->assertRedirect('/admin');
+ }
+
+ public function test_show_relation_subscription_block_should_have_anchor_id(): void
+ {
+ $this->loginAsPlatformAdmin();
+
+ $merchant = Merchant::query()->firstOrFail();
+ $plan = Plan::query()->create([
+ 'code' => 'po_show_relation_anchor_plan',
+ 'name' => '关联订阅治理锚点测试套餐',
+ 'billing_cycle' => 'monthly',
+ 'price' => 30,
+ 'list_price' => 30,
+ 'status' => 'active',
+ 'sort' => 10,
+ 'published_at' => now(),
+ ]);
+
+ $order = PlatformOrder::query()->create([
+ 'merchant_id' => $merchant->id,
+ 'plan_id' => $plan->id,
+ 'order_no' => 'PO_SHOW_RELATION_ANCHOR_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' => 30,
+ 'paid_amount' => 0,
+ 'placed_at' => now(),
+ 'meta' => [],
+ ]);
+
+ $res = $this->get('/admin/platform-orders/' . $order->id);
+ $res->assertOk();
+
+ $res->assertSee('id="relation-subscription"', false);
+ }
+}