diff --git a/tests/Feature/AdminPlatformOrderBmpaFailedReasonTop5LongReasonNoLinkTest.php b/tests/Feature/AdminPlatformOrderBmpaFailedReasonTop5LongReasonNoLinkTest.php
new file mode 100644
index 0000000..2b4003a
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderBmpaFailedReasonTop5LongReasonNoLinkTest.php
@@ -0,0 +1,80 @@
+<?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 AdminPlatformOrderBmpaFailedReasonTop5LongReasonNoLinkTest 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_bmpa_failed_reason_top5_long_reason_should_not_render_keyword_links(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'bmpa_failed_reason_long_reason_no_link_test',
+            'name' => 'BMPA失败原因过长不渲染链接测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $reason = str_repeat('很长的BMPA失败原因', 30); // > 200 chars
+        $shown = mb_substr($reason, 0, 60);
+
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_BMPA_FAILED_LONG_REASON_0001',
+            'order_type' => 'new_purchase',
+            '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(),
+            'meta' => [
+                'batch_mark_paid_and_activate_error' => [
+                    'message' => $reason,
+                    'at' => now()->toDateTimeString(),
+                    'admin_id' => 1,
+                ],
+            ],
+        ]);
+
+        $page = $this->get('/admin/platform-orders');
+        $page->assertOk();
+
+        $page->assertSee('批量标记支付并生效失败原因 TOP5');
+        $page->assertSee($shown);
+        $page->assertSee('原因过长，请复制到筛选框');
+
+        // 不应渲染 bmpa_error_keyword= 的链接（避免 URL 过长/特殊字符问题）
+        $page->assertDontSee('bmpa_error_keyword=', false);
+
+        // 仍应给一个“进入失败集合”的入口
+        $page->assertSee('进入失败集合');
+    }
+}