平台订单列表锁定订阅：订阅号链接携带 back 回列表

resources/views/admin/platform_orders/index.blade.php

@@ -117,7 +117,13 @@
         <div class="mt-10">
             <div class="muted">当前已锁定订阅：</div>
             <div>
-                <a class="link" href="/admin/site-subscriptions/{{ $currentSubscription->id }}">{{ $currentSubscription->subscription_no }}</a>
+                @php
+                    $subShowUrl = '/admin/site-subscriptions/' . $currentSubscription->id;
+                    $subShowUrl .= '?' . \Illuminate\Support\Arr::query([
+                        'back' => $selfWithoutBack,
+                    ]);
+                @endphp
+                <a class="link" href="{!! $subShowUrl !!}">{{ $currentSubscription->subscription_no }}</a>
                 <span class="muted">（订阅ID：{{ $currentSubscription->id }}）</span>
             </div>
             <div class="muted muted-xs">提示：本页快捷筛选会保留该订阅ID；右上角“新建平台订单”会自动预填订阅ID。</div>