diff --git a/resources/views/business/pages/courier-payables/final-workspace.blade.php b/resources/views/business/pages/courier-payables/final-workspace.blade.php
index f9e9a551..27334879 100644
--- a/resources/views/business/pages/courier-payables/final-workspace.blade.php
+++ b/resources/views/business/pages/courier-payables/final-workspace.blade.php
@@ -83,7 +83,8 @@
                     }
                     // Preserve each page's own scripts, forms and routes in its document.
                     const style = doc.createElement('style');
-                    style.textContent = '.js-menu,body>.container,#header [data-page-title-first]{display:none!important} #panel{margin:0!important;padding:0!important} #main-body>.container{margin:0!important;padding:0!important;width:100%!important} #header{padding:0!important;margin:0!important}';
+                    // 子页面在 iframe 里不再显示外层那一整排菜单和标签栏，只保留页面本身。
+                    style.textContent = '.js-menu,body>.container,#header [data-page-title-first],.open-tabs{display:none!important} #panel{margin:0!important;padding:0!important} #main-body>.container{margin:0!important;padding:0!important;width:100%!important} #header{padding:0!important;margin:0!important}';
                     doc.head.appendChild(style);
                     frame.style.visibility = 'visible';
                     delete frame.dataset.failed;
diff --git a/resources/views/business/pages/partials/open-page-tabs.blade.php b/resources/views/business/pages/partials/open-page-tabs.blade.php
index f6c65f41..291b94f5 100644
--- a/resources/views/business/pages/partials/open-page-tabs.blade.php
+++ b/resources/views/business/pages/partials/open-page-tabs.blade.php
@@ -79,6 +79,11 @@
         if (!root) {
             return;
         }
+        // 目录里有用 iframe 打开子页面的页面（例如快递报价）。iframe 内不再显示标签栏：
+        // 它既和外层那条重复，点标签也只会在 iframe 内部再套一层同样的页面。
+        if (window.self !== window.top) {
+            return;
+        }
         const list = root.querySelector('[data-open-tabs-list]');
         const userId = root.dataset.userId || 'anon';
         const storageKey = 'caiwu.open-pages.v1.' + userId;
diff --git a/tests/Feature/Settings/NavigationTest.php b/tests/Feature/Settings/NavigationTest.php
index f92217f9..84cf5d6b 100644
--- a/tests/Feature/Settings/NavigationTest.php
+++ b/tests/Feature/Settings/NavigationTest.php
@@ -202,7 +202,9 @@ class NavigationTest extends FeatureTestCase
             // 已打开页面标签栏（固定在页面上方，点开的页面并排显示）。
             ->assertSee('data-open-tabs', false)
             ->assertSee('data-open-tabs-list', false)
-            ->assertSee('caiwu.open-pages.v1.', false);
+            ->assertSee('caiwu.open-pages.v1.', false)
+            // 目录 iframe 里的子页面不再重复渲染这条标签栏。
+            ->assertSee('window.self !== window.top', false);
     }
 
     public function testProcessStatisticsPageIsAvailableUnderRiskControl(): void