diff --git a/resources/views/admin/platform_orders/index.blade.php b/resources/views/admin/platform_orders/index.blade.php
index a19161e..122d199 100644
--- a/resources/views/admin/platform_orders/index.blade.php
+++ b/resources/views/admin/platform_orders/index.blade.php
@@ -963,7 +963,7 @@
             <tr>
                 <td>{{ $order->id }}</td>
                 @php
-                    $orderShowUrl = '/admin/platform-orders/' . $order->id . '?' . \Illuminate\Support\Arr::query(['back' => $selfWithoutBack]);
+                    $orderShowUrl = \App\Support\BackUrl::withBack('/admin/platform-orders/' . $order->id, $selfWithoutBack);
                 @endphp
                 <td>
                     <a href="{!! $orderShowUrl !!}">{{ $order->order_no }}</a>
@@ -1084,7 +1084,7 @@
                             @php
                                 // 与本页“订单号 -> 详情页 back”口径一致：订阅详情 back 回到本页自身（剔除 back query，避免嵌套）
                                 $subBack = $selfWithoutBack;
-                                $subLink = '/admin/site-subscriptions/' . $order->siteSubscription->id . '?' . \Illuminate\Support\Arr::query(['back' => $subBack]);
+                                $subLink = \App\Support\BackUrl::withBack('/admin/site-subscriptions/' . $order->siteSubscription->id, $subBack);
                             @endphp
                             <a class="link" href="{!! $subLink !!}">{{ $order->siteSubscription->subscription_no }}</a>
                         </div>