diff --git a/tests/Feature/AdminPlatformOrderIndexRowMarkPaidAndActivateButtonShouldDisableWhenReconcileMismatchTest.php b/tests/Feature/AdminPlatformOrderIndexRowMarkPaidAndActivateButtonShouldDisableWhenReconcileMismatchTest.php
new file mode 100644
index 0000000..6eb8652
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderIndexRowMarkPaidAndActivateButtonShouldDisableWhenReconcileMismatchTest.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 AdminPlatformOrderIndexRowMarkPaidAndActivateButtonShouldDisableWhenReconcileMismatchTest 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_row_mark_paid_and_activate_button_should_be_disabled_when_reconcile_mismatch(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'po_index_row_bmpa_disable_reconcile_mismatch_plan',
+            'name' => '平台订单列表行级BMPA禁用（对账不一致）测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 30,
+            'list_price' => 30,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        // 制造对账不一致：存在回执证据（payment_summary.total_amount），但与 paid_amount 不一致。
+        $order = PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_INDEX_ROW_BMPA_DISABLE_RECONCILE_MISMATCH_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'pending',
+            'payment_status' => 'paid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 30,
+            'paid_amount' => 30,
+            'placed_at' => now(),
+            'paid_at' => now(),
+            'meta' => [
+                'payment_summary' => [
+                    'count' => 1,
+                    'total_amount' => 10.00,
+                ],
+            ],
+        ]);
+
+        $this->assertTrue($order->isReconcileMismatch());
+
+        $res = $this->get('/admin/platform-orders');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+        $this->assertStringContainsString($order->order_no, $html);
+
+        // 断言：该订单所在行的“标记支付并生效”按钮应被禁用（避免运营在列表页误触）
+        $pattern = '#/admin/platform-orders/' . $order->id . '/mark-paid-and-activate.*?<button[^>]*disabled#s';
+        $this->assertMatchesRegularExpression($pattern, $html);
+
+        // 并且应提供最短治理入口（直达补回执面板）
+        $this->assertStringContainsString('#add-payment-receipt', $html);
+    }
+}