diff --git a/.env.example b/.env.example
index c0660ea..5709b9b 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,4 @@
-APP_NAME=Laravel
+APP_NAME="云享电商SAAS系统"
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=true
diff --git a/resources/views/admin/auth/login.blade.php b/resources/views/admin/auth/login.blade.php
index 20e4d1a..be99c8c 100644
--- a/resources/views/admin/auth/login.blade.php
+++ b/resources/views/admin/auth/login.blade.php
@@ -3,7 +3,7 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>总台管理登录 - SaaSShop</title>
+    <title>总台管理登录 - {{ config('app.name', '云享电商SAAS系统') }}</title>
     <link rel="stylesheet" href="/css/admin-base.css">
     <link rel="stylesheet" href="/css/admin.css">
 </head>
diff --git a/resources/views/admin/layouts/app.blade.php b/resources/views/admin/layouts/app.blade.php
index c9fe6d9..ccf0915 100644
--- a/resources/views/admin/layouts/app.blade.php
+++ b/resources/views/admin/layouts/app.blade.php
@@ -3,7 +3,7 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>@yield('title', 'SaaSShop 总台管理')</title>
+    <title>@yield('title', config('app.name', '云享电商SAAS系统') . ' 总台管理')</title>
     <link rel="stylesheet" href="/css/admin-base.css">
     <link rel="stylesheet" href="/css/admin.css">
     <link rel="stylesheet" href="/css/admin-components.css">
@@ -11,7 +11,7 @@
 <body>
 <div class="layout">
     <aside class="sidebar">
-        <h2 class="sidebar-title">SaaSShop</h2>
+        <h2 class="sidebar-title">{{ config('app.name', '云享电商SAAS系统') }}</h2>
         <div class="muted">总台管理 / Platform Ops</div>
 
         <div class="group-title">总览</div>
diff --git a/resources/views/admin/platform_orders/index.blade.php b/resources/views/admin/platform_orders/index.blade.php
index abeb5f1..ed0c0b8 100644
--- a/resources/views/admin/platform_orders/index.blade.php
+++ b/resources/views/admin/platform_orders/index.blade.php
@@ -260,6 +260,7 @@
         $hasReconcileMismatchFilter = (($filters['reconcile_mismatch'] ?? '') === '1');
         $hasRefundInconsistentFilter = (($filters['refund_inconsistent'] ?? '') === '1');
         $hasSyncableOnlyFilter = (($filters['syncable_only'] ?? '') === '1');
+        $hasSyncFailedFilter = (($filters['sync_status'] ?? '') === 'failed') || trim((string) ($filters['sync_error_keyword'] ?? '')) !== '' || (($filters['fail_only'] ?? '') === '1');
     @endphp
 
     @if($hasReconcileMismatchFilter || $hasRefundInconsistentFilter)
@@ -285,6 +286,13 @@
         @endif
     @endif
 
+    @if($hasSyncFailedFilter)
+        <div class="muted text-danger mb-10">
+            提示：当前筛选包含「同步失败/失败原因」范围。建议先治理失败原因（修复数据或重试同步），再执行批量同步订阅等工具动作。
+            <a class="link" href="{{ request()->fullUrlWithQuery(['sync_status' => 'failed', 'page' => null]) }}">进入同步失败集合</a>
+        </div>
+    @endif
+
     <form method="get" action="/admin/platform-orders/export" class="mb-10">
         <input type="hidden" name="status" value="{{ $filters['status'] ?? '' }}">
         <input type="hidden" name="payment_status" value="{{ $filters['payment_status'] ?? '' }}">
diff --git a/resources/views/front/h5/index.blade.php b/resources/views/front/h5/index.blade.php
index d5cda47..8fda9dc 100644
--- a/resources/views/front/h5/index.blade.php
+++ b/resources/views/front/h5/index.blade.php
@@ -3,11 +3,11 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
-    <title>H5 商城首页 - SaaSShop</title>
+    <title>H5 商城首页 - {{ config('app.name', '云享电商SAAS系统') }}</title>
     <link rel="stylesheet" href="/css/public-pages.css">
 </head>
 <body class="h5-body">
-<div class="h5-header">SaaSShop H5 商城首页</div>
+<div class="h5-header">{{ config('app.name', '云享电商SAAS系统') }} H5 商城首页</div>
 <div class="h5-wrap">
     <p>这是 H5 端模板入口，后续可扩展底部导航、个人中心、下单与支付流程。</p>
     <p><a href="/">返回项目首页</a></p>
diff --git a/resources/views/front/pc/index.blade.php b/resources/views/front/pc/index.blade.php
index a9fb5a3..87c75eb 100644
--- a/resources/views/front/pc/index.blade.php
+++ b/resources/views/front/pc/index.blade.php
@@ -3,11 +3,11 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>PC 商城首页 - SaaSShop</title>
+    <title>PC 商城首页 - {{ config('app.name', '云享电商SAAS系统') }}</title>
     <link rel="stylesheet" href="/css/public-pages.css">
 </head>
 <body class="pc-body">
-<div class="pc-top"><strong>SaaSShop PC 端商城首页</strong></div>
+<div class="pc-top"><strong>{{ config('app.name', '云享电商SAAS系统') }} PC 端商城首页</strong></div>
 <div class="pc-wrap">
     <p>这是 PC 端模板入口，后续可扩展导航、分类、搜索、购物车与会员中心。</p>
     <p><a href="/">返回项目首页</a></p>
diff --git a/resources/views/home.blade.php b/resources/views/home.blade.php
index e43aa8b..a62af89 100644
--- a/resources/views/home.blade.php
+++ b/resources/views/home.blade.php
@@ -3,12 +3,12 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>SaaSShop 首页</title>
+    <title>{{ config('app.name', '云享电商SAAS系统') }} 首页</title>
     <link rel="stylesheet" href="/css/public-pages.css">
 </head>
 <body class="dark-page">
 <div class="public-wrap">
-    <h1>SaaSShop 多端项目首页</h1>
+    <h1>{{ config('app.name', '云享电商SAAS系统') }} 多端项目首页</h1>
     <p class="muted">当前基础框架已按多端方向铺开：PC、H5 可直接访问，微信生态与 APP 接口层已预留入口；后台当前已形成总台管理、站点后台、商家后台三层入口骨架。</p>
     <div class="grid-3">
         <div class="card"><h3>商家数</h3><p>{{ $merchantCount }}</p></div>
diff --git a/resources/views/merchant_admin/auth/login.blade.php b/resources/views/merchant_admin/auth/login.blade.php
index 8e998f6..49a34f3 100644
--- a/resources/views/merchant_admin/auth/login.blade.php
+++ b/resources/views/merchant_admin/auth/login.blade.php
@@ -3,7 +3,7 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>商家后台登录 - SaaSShop</title>
+    <title>商家后台登录 - {{ config('app.name', '云享电商SAAS系统') }}</title>
     <link rel="stylesheet" href="/css/admin-base.css">
     <link rel="stylesheet" href="/css/merchant-admin.css">
 </head>
diff --git a/resources/views/merchant_admin/layouts/app.blade.php b/resources/views/merchant_admin/layouts/app.blade.php
index c8c3002..3c5cbdc 100644
--- a/resources/views/merchant_admin/layouts/app.blade.php
+++ b/resources/views/merchant_admin/layouts/app.blade.php
@@ -3,14 +3,14 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>@yield('title', 'SaaSShop 商家后台')</title>
+    <title>@yield('title', config('app.name', '云享电商SAAS系统') . ' 商家后台')</title>
     <link rel="stylesheet" href="/css/admin-base.css">
     <link rel="stylesheet" href="/css/merchant-admin.css">
 </head>
 <body>
 <div class="layout">
     <aside class="sidebar">
-        <h2 class="sidebar-title">SaaSShop</h2>
+        <h2 class="sidebar-title">{{ config('app.name', '云享电商SAAS系统') }}</h2>
         <div class="muted">商家后台 / Merchant Console</div>
 
         <div class="group-title">总览</div>
diff --git a/resources/views/site_admin/auth/login.blade.php b/resources/views/site_admin/auth/login.blade.php
index f42a535..8bc1834 100644
--- a/resources/views/site_admin/auth/login.blade.php
+++ b/resources/views/site_admin/auth/login.blade.php
@@ -3,7 +3,7 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>站点后台登录 - SaaSShop</title>
+    <title>站点后台登录 - {{ config('app.name', '云享电商SAAS系统') }}</title>
     <link rel="stylesheet" href="/css/admin-base.css">
     <link rel="stylesheet" href="/css/site-admin.css">
 </head>
diff --git a/resources/views/site_admin/layouts/app.blade.php b/resources/views/site_admin/layouts/app.blade.php
index 96caf2d..0cd40e3 100644
--- a/resources/views/site_admin/layouts/app.blade.php
+++ b/resources/views/site_admin/layouts/app.blade.php
@@ -3,14 +3,14 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>@yield('title', 'SaaSShop 站点后台')</title>
+    <title>@yield('title', config('app.name', '云享电商SAAS系统') . ' 站点后台')</title>
     <link rel="stylesheet" href="/css/admin-base.css">
     <link rel="stylesheet" href="/css/site-admin.css">
 </head>
 <body>
 <div class="layout">
     <aside class="sidebar">
-        <h2 class="sidebar-brand">SaaSShop</h2>
+        <h2 class="sidebar-brand">{{ config('app.name', '云享电商SAAS系统') }}</h2>
         <div class="muted">站点后台 / Site Console</div>
 
         <div class="group-title">总览</div>
diff --git a/resources/views/welcome.blade.php b/resources/views/welcome.blade.php
index 23d6cca..a7aa649 100644
--- a/resources/views/welcome.blade.php
+++ b/resources/views/welcome.blade.php
@@ -3,12 +3,12 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>{{ config('app.name', 'SaaSShop') }}</title>
+    <title>{{ config('app.name', '云享电商SAAS系统') }}</title>
     <link rel="stylesheet" href="/css/public-pages.css">
 </head>
 <body class="dark-page">
 <div class="public-wrap public-wrap-narrow">
-    <h1>{{ config('app.name', 'SaaSShop') }}</h1>
+    <h1>{{ config('app.name', '云享电商SAAS系统') }}</h1>
     <p class="muted">Laravel 基础框架已启动。当前项目已切到 SaaS 电商多端底座方向，默认欢迎页已简化为可维护版本，样式统一走外置 CSS。</p>
     <div class="grid-2">
         <div class="card">
diff --git a/resources/views/welcome_status.blade.php b/resources/views/welcome_status.blade.php
index 14ee7b3..5d4ae58 100644
--- a/resources/views/welcome_status.blade.php
+++ b/resources/views/welcome_status.blade.php
@@ -3,12 +3,12 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>SaaSShop Laravel 初始化页</title>
+    <title>{{ config('app.name', '云享电商SAAS系统') }} Laravel 初始化页</title>
     <link rel="stylesheet" href="/css/public-pages.css">
 </head>
 <body class="dark-page">
 <div class="public-wrap public-wrap-narrow">
-    <h1>SaaSShop Laravel 初始化页</h1>
+    <h1>{{ config('app.name', '云享电商SAAS系统') }} Laravel 初始化页</h1>
     <p class="muted">访问地址：<code>http://192.168.10.199:9001/</code></p>
     <div class="grid-2">
         <div class="card"><h3>框架</h3><p class="ok">Laravel 已部署</p></div>
diff --git a/tests/Feature/AdminPlatformOrderToolsGovernanceHintTest.php b/tests/Feature/AdminPlatformOrderToolsGovernanceHintTest.php
index 1ee76e0..a0dee6f 100644
--- a/tests/Feature/AdminPlatformOrderToolsGovernanceHintTest.php
+++ b/tests/Feature/AdminPlatformOrderToolsGovernanceHintTest.php
@@ -49,4 +49,15 @@ class AdminPlatformOrderToolsGovernanceHintTest extends TestCase
             ->assertSee('先去治理（取消只看可同步）', false)
             ->assertSee('syncable_only=', false);
     }
+
+    public function test_platform_orders_tools_show_hint_when_sync_failed_filters_present(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $this->get('/admin/platform-orders?sync_status=failed')
+            ->assertOk()
+            ->assertSee('当前筛选包含「同步失败/失败原因」范围', false)
+            ->assertSee('进入同步失败集合', false)
+            ->assertSee('sync_status=failed', false);
+    }
 }
