diff --git a/resources/views/admin/platform_orders/show.blade.php b/resources/views/admin/platform_orders/show.blade.php
index c8875cc..dae9109 100644
--- a/resources/views/admin/platform_orders/show.blade.php
+++ b/resources/views/admin/platform_orders/show.blade.php
@@ -14,9 +14,8 @@
     }
 
     $makePlatformOrderIndexUrl = function (array $query) use ($orderShowSelf) {
-        $query = $query + ['back' => $orderShowSelf];
-
-        return '/admin/platform-orders?' . \Illuminate\Support\Arr::query($query);
+        // 统一：用 BackUrl::withBack 追加 back，避免手写拼接导致口径漂移
+        return \App\Support\BackUrl::withBack('/admin/platform-orders?' . \Illuminate\Support\Arr::query($query), $orderShowSelf);
     };
 
     // 常用治理列表链接：统一口径（携带 back 回到当前订单详情自身，且不嵌套 back）