diff --git a/app/Http/Controllers/Admin/DashboardController.php b/app/Http/Controllers/Admin/DashboardController.php
index 39afda1..fa95b19 100644
--- a/app/Http/Controllers/Admin/DashboardController.php
+++ b/app/Http/Controllers/Admin/DashboardController.php
@@ -112,6 +112,7 @@ class DashboardController extends Controller
                     return $q->count();
                 })(),
                 // 退款数据不一致（口径与平台订单列表 refund_inconsistent=1 一致）
+                // 注意：仅当退款总额 > 0 时才参与不一致判定（避免 refund_summary.total_amount=0 的“空字段”噪音被计入）。
                 'platform_orders_refund_inconsistent' => (function () {
                     $tol = (float) config('saasshop.amounts.tolerance', 0.01);
                     $tolCents = (int) round($tol * 100);
@@ -123,6 +124,9 @@ class DashboardController extends Controller
                     if ($driver === 'sqlite') {
                         $refundTotalExpr = "(CASE WHEN JSON_EXTRACT(meta, '$.refund_summary.total_amount') IS NOT NULL THEN CAST(JSON_EXTRACT(meta, '$.refund_summary.total_amount') AS REAL) ELSE (SELECT IFNULL(SUM(CAST(JSON_EXTRACT(value, '$.amount') AS REAL)), 0) FROM json_each(COALESCE(JSON_EXTRACT(meta, '$.refund_receipts'), '[]'))) END)";
 
+                        // 只统计退款总额 > 0 的订单
+                        $q->whereRaw("ROUND(($refundTotalExpr) * 100) > 0");
+
                         $q->where(function ($b) use ($refundTotalExpr, $tolCents) {
                             $b->where(function ($q2) use ($refundTotalExpr, $tolCents) {
                                 $q2->where('payment_status', 'refunded')
@@ -137,6 +141,9 @@ class DashboardController extends Controller
                     } else {
                         $refundTotalExpr = "(CASE WHEN JSON_EXTRACT(meta, '$.refund_summary.total_amount') IS NOT NULL THEN CAST(JSON_UNQUOTE(JSON_EXTRACT(meta, '$.refund_summary.total_amount')) AS DECIMAL(12,2)) ELSE (SELECT IFNULL(SUM(j.amount), 0) FROM JSON_TABLE(meta, '$.refund_receipts[*]' COLUMNS(amount DECIMAL(12,2) PATH '$.amount')) j) END)";
 
+                        // 只统计退款总额 > 0 的订单
+                        $q->whereRaw("ROUND(($refundTotalExpr) * 100) > 0");
+
                         $q->where(function ($b) use ($refundTotalExpr, $tolCents) {
                             $b->where(function ($q2) use ($refundTotalExpr, $tolCents) {
                                 $q2->where('payment_status', 'refunded')
diff --git a/app/Http/Controllers/Admin/PlatformOrderController.php b/app/Http/Controllers/Admin/PlatformOrderController.php
index f7fe724..cd58832 100644
--- a/app/Http/Controllers/Admin/PlatformOrderController.php
+++ b/app/Http/Controllers/Admin/PlatformOrderController.php
@@ -2501,18 +2501,24 @@ class PlatformOrderController extends Controller
             })
             ->when(($filters['refund_status'] ?? '') !== '', function (Builder $builder) use ($filters) {
                 // 退款轨迹筛选：
-                // - has：有退款（refund_summary.total_amount 存在 或 refund_receipts[0].amount 存在）
-                // - none：无退款（两者都不存在）
+                // - has：有退款（退款总额 > 0）
+                // - none：无退款（退款总额 <= 0，或无任何退款字段）
+                // 退款总额口径：优先 refund_summary.total_amount；缺省回退汇总 refund_receipts[].amount
+                // 说明：这里不再用“字段是否存在”判断 has/none，避免出现 total_amount=0 但被误判为“有退款”。
                 $status = (string) ($filters['refund_status'] ?? '');
 
+                $driver = $builder->getQuery()->getConnection()->getDriverName();
+
+                if ($driver === 'sqlite') {
+                    $refundTotalExpr = "(CASE WHEN JSON_EXTRACT(meta, '$.refund_summary.total_amount') IS NOT NULL THEN CAST(JSON_EXTRACT(meta, '$.refund_summary.total_amount') AS REAL) ELSE (SELECT IFNULL(SUM(CAST(JSON_EXTRACT(value, '$.amount') AS REAL)), 0) FROM json_each(COALESCE(JSON_EXTRACT(meta, '$.refund_receipts'), '[]'))) END)";
+                } else {
+                    $refundTotalExpr = "(CASE WHEN JSON_EXTRACT(meta, '$.refund_summary.total_amount') IS NOT NULL THEN CAST(JSON_UNQUOTE(JSON_EXTRACT(meta, '$.refund_summary.total_amount')) AS DECIMAL(12,2)) ELSE (SELECT IFNULL(SUM(j.amount), 0) FROM JSON_TABLE(meta, '$.refund_receipts[*]' COLUMNS(amount DECIMAL(12,2) PATH '$.amount')) j) END)";
+                }
+
                 if ($status === 'has') {
-                    $builder->where(function (Builder $q) {
-                        $q->whereRaw("JSON_EXTRACT(meta, '$.refund_summary.total_amount') IS NOT NULL")
-                          ->orWhereRaw("JSON_EXTRACT(meta, '$.refund_receipts[0].amount') IS NOT NULL");
-                    });
+                    $builder->whereRaw("ROUND(($refundTotalExpr) * 100) > 0");
                 } elseif ($status === 'none') {
-                    $builder->whereRaw("JSON_EXTRACT(meta, '$.refund_summary.total_amount') IS NULL")
-                        ->whereRaw("JSON_EXTRACT(meta, '$.refund_receipts[0].amount') IS NULL");
+                    $builder->whereRaw("ROUND(($refundTotalExpr) * 100) <= 0");
                 }
             })
             ->when(($filters['refund_inconsistent'] ?? '') !== '', function (Builder $builder) {
diff --git a/tests/Feature/AdminPlatformOrderRefundStatusFilterShouldTreatZeroRefundAsNoneTest.php b/tests/Feature/AdminPlatformOrderRefundStatusFilterShouldTreatZeroRefundAsNoneTest.php
new file mode 100644
index 0000000..3064f11
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderRefundStatusFilterShouldTreatZeroRefundAsNoneTest.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+/**
+ * 退款轨迹筛选（refund_status）应按“退款总额是否>0”判定。
+ * 目的：避免 refund_summary.total_amount=0 这种“空字段”被误判为“有退款”。
+ */
+class AdminPlatformOrderRefundStatusFilterShouldTreatZeroRefundAsNoneTest 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_refund_status_filter_should_treat_zero_refund_summary_as_none(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+
+        $plan = Plan::query()->create([
+            'code' => 'refund_status_zero_should_be_none',
+            'name' => '退款轨迹筛选：0 退款应判定为 none',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        // 1) refund_summary.total_amount=0：应视为“无退款”
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_REFUND_SUMMARY_ZERO_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' => [
+                'refund_summary' => [
+                    'count' => 0,
+                    'total_amount' => 0,
+                ],
+            ],
+        ]);
+
+        // 2) refund_receipts 有金额：应视为“有退款”
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_REFUND_RECEIPT_POSITIVE_0002',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            'payment_status' => 'partially_refunded',
+            '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' => [
+                'refund_receipts' => [
+                    ['amount' => 1.00, 'refunded_at' => now()->toDateTimeString()],
+                ],
+            ],
+        ]);
+
+        $this->get('/admin/platform-orders?refund_status=has')
+            ->assertOk()
+            ->assertSee('PO_REFUND_RECEIPT_POSITIVE_0002')
+            ->assertDontSee('PO_REFUND_SUMMARY_ZERO_0001');
+
+        $this->get('/admin/platform-orders?refund_status=none')
+            ->assertOk()
+            ->assertSee('PO_REFUND_SUMMARY_ZERO_0001')
+            ->assertDontSee('PO_REFUND_RECEIPT_POSITIVE_0002');
+    }
+}