diff --git a/resources/views/admin/dashboard.blade.php b/resources/views/admin/dashboard.blade.php
index 0be445e..efee177 100644
--- a/resources/views/admin/dashboard.blade.php
+++ b/resources/views/admin/dashboard.blade.php
@@ -363,6 +363,9 @@
                                 @if($syncReasonUrl !== '')
                                     <span class="muted">｜</span>
                                     <a class="link" href="{!! $syncReasonUrl !!}">同原因集合</a>
+                                @elseif($syncErrMsg !== '')
+                                    <span class="muted">｜</span>
+                                    <span class="muted muted-xs">原因过长</span>
                                 @endif
                                 <span class="muted">｜</span>
                                 <a class="link" href="{!! \App\Support\BackUrl::withBackAndFragment('/admin/platform-orders/' . $po->id, $selfWithoutBack, 'sync-failed') !!}">查看失败详情</a>
@@ -376,6 +379,9 @@
                                 @if($bmpaReasonUrl !== '')
                                     <span class="muted">｜</span>
                                     <a class="link" href="{!! $bmpaReasonUrl !!}">同原因集合</a>
+                                @elseif($bmpaErrMsg !== '')
+                                    <span class="muted">｜</span>
+                                    <span class="muted muted-xs">原因过长</span>
                                 @endif
                                 <span class="muted">｜</span>
                                 <a class="link" href="{!! \App\Support\BackUrl::withBackAndFragment('/admin/platform-orders/' . $po->id, $selfWithoutBack, 'bmpa-failed') !!}">查看失败详情</a>
diff --git a/tests/Feature/AdminDashboardRecentPlatformOrdersFailedHintsShouldShowReasonTooLongHintWhenNoSameReasonLinkTest.php b/tests/Feature/AdminDashboardRecentPlatformOrdersFailedHintsShouldShowReasonTooLongHintWhenNoSameReasonLinkTest.php
new file mode 100644
index 0000000..346b4e2
--- /dev/null
+++ b/tests/Feature/AdminDashboardRecentPlatformOrdersFailedHintsShouldShowReasonTooLongHintWhenNoSameReasonLinkTest.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Admin;
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminDashboardRecentPlatformOrdersFailedHintsShouldShowReasonTooLongHintWhenNoSameReasonLinkTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_dashboard_recent_platform_orders_failed_hints_should_show_reason_too_long_hint_when_no_same_reason_link(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchantId = (int) Merchant::query()->value('id');
+        $platformAdminId = (int) Admin::query()->where('email', 'platform.admin@demo.local')->value('id');
+
+        $plan = Plan::query()->create([
+            'code' => 'dash_failed_reason_too_long_plan',
+            'name' => '仪表盘原因过长提示测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $longReason = str_repeat('A', 120);
+
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchantId,
+            'plan_id' => $plan->id,
+            'site_subscription_id' => null,
+            'created_by_admin_id' => $platformAdminId ?: null,
+            'order_no' => 'PO_DASH_SYNC_FAIL_LONG_REASON_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'pending',
+            'payment_status' => 'paid',
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'meta' => [
+                'subscription_activation_error' => [
+                    'message' => $longReason,
+                ],
+            ],
+        ]);
+
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchantId,
+            'plan_id' => $plan->id,
+            'site_subscription_id' => null,
+            'created_by_admin_id' => $platformAdminId ?: null,
+            'order_no' => 'PO_DASH_BMPA_FAIL_LONG_REASON_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'pending',
+            'payment_status' => 'unpaid',
+            'payable_amount' => 10,
+            'paid_amount' => 0,
+            'meta' => [
+                'batch_mark_paid_and_activate_error' => [
+                    'message' => $longReason,
+                ],
+            ],
+        ]);
+
+        $res = $this->get('/admin');
+        $res->assertOk();
+
+        // 原因过长时不生成同原因集合链接，但应提示“原因过长”避免运营以为缺入口。
+        $res->assertSee('原因过长', false);
+
+        // 不应出现同原因集合链接
+        $res->assertDontSee('同原因集合', false);
+    }
+}