diff --git a/tests/Feature/AdminPlatformOrderReconcileMismatchToleranceConfigFilterTest.php b/tests/Feature/AdminPlatformOrderReconcileMismatchToleranceConfigFilterTest.php
new file mode 100644
index 0000000..2dc3db9
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderReconcileMismatchToleranceConfigFilterTest.php
@@ -0,0 +1,106 @@
+<?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 AdminPlatformOrderReconcileMismatchToleranceConfigFilterTest 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_reconcile_mismatch_filter_should_respect_amount_tolerance_config(): void
+    {
+        // 将容差调大，确保“差额小于容差”不被判定为对账不一致
+        config()->set('saasshop.amounts.tolerance', 0.05);
+
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'po_reconcile_mismatch_tol_plan',
+            'name' => '对账不一致容差配置测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        // A：差额 0.04 < tol(0.05) => 不应命中
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_RECON_TOL_NO_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            'payment_status' => 'paid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'paid_at' => now(),
+            'activated_at' => now(),
+            'meta' => [
+                'payment_summary' => [
+                    'count' => 1,
+                    'total_amount' => 9.96,
+                    'last_at' => now()->toDateTimeString(),
+                    'last_amount' => 9.96,
+                    'last_channel' => 'bank',
+                ],
+            ],
+        ]);
+
+        // B：差额 0.06 >= tol(0.05) => 应命中
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_RECON_TOL_YES_0002',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            'payment_status' => 'paid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'paid_at' => now(),
+            'activated_at' => now(),
+            'meta' => [
+                'payment_summary' => [
+                    'count' => 1,
+                    'total_amount' => 9.94,
+                    'last_at' => now()->toDateTimeString(),
+                    'last_amount' => 9.94,
+                    'last_channel' => 'bank',
+                ],
+            ],
+        ]);
+
+        $res = $this->get('/admin/platform-orders?reconcile_mismatch=1');
+        $res->assertOk();
+
+        $res->assertDontSee('PO_RECON_TOL_NO_0001', false);
+        $res->assertSee('PO_RECON_TOL_YES_0002', false);
+    }
+}