diff --git a/app/Models/PlatformOrder.php b/app/Models/PlatformOrder.php
index 6f096e4..415f336 100644
--- a/app/Models/PlatformOrder.php
+++ b/app/Models/PlatformOrder.php
@@ -50,6 +50,15 @@ class PlatformOrder extends Model
             || (data_get($this->meta, 'refund_receipts.0.amount') !== null);
     }
 
+    public function exportLedgerUrl(array $query = []): string
+    {
+        // 安全阀：download=1 必须显式存在（用于防止预取/误触发）。
+        // 且为了测试/口径稳定，download 固定在 query 的第一位。
+        $query = ['download' => 1] + $query;
+
+        return '/admin/platform-orders/' . $this->id . '/export-ledger?' . \Illuminate\Support\Arr::query($query);
+    }
+
     public function refundTotal(): float
     {
         // 优先读扁平字段 refund_summary.total_amount
diff --git a/resources/views/admin/platform_orders/index.blade.php b/resources/views/admin/platform_orders/index.blade.php
index c9e12b0..82acf7c 100644
--- a/resources/views/admin/platform_orders/index.blade.php
+++ b/resources/views/admin/platform_orders/index.blade.php
@@ -1584,11 +1584,8 @@
                         // 仅当存在支付/退款回执证据时展示（避免列表噪音）。
                         $hasLedgerEvidenceRow = (bool) ($order->hasLedgerEvidence());
 
-                        $exportLedgerUrlRow = '/admin/platform-orders/' . $order->id . '/export-ledger?' . \Illuminate\Support\Arr::query([
-                            'download' => 1,
-                            // 列表页导出默认带“订单摘要”，便于离线流转（财务/运营对账）
-                            'include_order_snapshot' => 1,
-                        ]);
+                        // 列表页导出默认带“订单摘要”，便于离线流转（财务/运营对账）
+                        $exportLedgerUrlRow = $order->exportLedgerUrl(['include_order_snapshot' => 1]);
                     @endphp
                     @if($hasLedgerEvidenceRow)
                         <div class="mt-6">
diff --git a/resources/views/admin/platform_orders/show.blade.php b/resources/views/admin/platform_orders/show.blade.php
index 88d6339..c095a25 100644
--- a/resources/views/admin/platform_orders/show.blade.php
+++ b/resources/views/admin/platform_orders/show.blade.php
@@ -545,17 +545,9 @@
 <div class="card mb-20" id="payment-receipts">
     <div class="flex-between items-center">
         <h3 class="mb-0">支付回执（对账留痕）</h3>
-        @php
-            $makeExportLedgerUrl = function (array $query = []) use ($order) {
-                // download 必须显式为 1（导出安全阀），且为了测试/口径稳定，固定放在 query 的第一位
-                $query = ['download' => 1] + $query;
-
-                return '/admin/platform-orders/' . $order->id . '/export-ledger?' . \Illuminate\Support\Arr::query($query);
-            };
-        @endphp
         <div class="actions gap-10">
-            <a class="btn btn-secondary btn-sm" href="{!! $makeExportLedgerUrl() !!}" target="_blank" rel="noopener">导出对账明细（CSV）</a>
-            <a class="btn btn-secondary btn-sm" href="{!! $makeExportLedgerUrl(['include_order_snapshot' => 1]) !!}" target="_blank" rel="noopener">导出含订单摘要（CSV）</a>
+            <a class="btn btn-secondary btn-sm" href="{!! $order->exportLedgerUrl() !!}" target="_blank" rel="noopener">导出对账明细（CSV）</a>
+            <a class="btn btn-secondary btn-sm" href="{!! $order->exportLedgerUrl(['include_order_snapshot' => 1]) !!}" target="_blank" rel="noopener">导出含订单摘要（CSV）</a>
         </div>
     </div>
     <p class="muted muted-tight">用于“线下收款/转账/人工核对”的留痕记录（当前阶段先落 meta，不引入独立表）。</p>