diff --git a/resources/views/admin/dashboard.blade.php b/resources/views/admin/dashboard.blade.php
index e46b547..dca5a50 100644
--- a/resources/views/admin/dashboard.blade.php
+++ b/resources/views/admin/dashboard.blade.php
@@ -390,6 +390,7 @@
 
             <div class="mt-10" data-role="dashboard-po-governance-bars">
                 <div class="muted muted-xs">治理风险占比（相对平台订单总量 {{ $poTotal }}）</div>
+                <div class="muted muted-xs">口径说明：同步失败=meta.subscription_activation_error.message 存在；BMPA失败=meta.batch_mark_paid_and_activate_error.message 存在；无回执=已支付但缺 payment_receipts；对账不一致=回执汇总金额与 paid_amount 不一致；退款不一致=退款汇总与退款状态不一致；续费缺订阅=renewal 但 site_subscription_id 为空。</div>
 
                 @include('admin.components.mini_bar_row', [
                     'class' => 'mt-6',
diff --git a/tests/Feature/AdminDashboardPlatformOrderGovernanceBarsShouldExplainMetricsTest.php b/tests/Feature/AdminDashboardPlatformOrderGovernanceBarsShouldExplainMetricsTest.php
new file mode 100644
index 0000000..76db0f5
--- /dev/null
+++ b/tests/Feature/AdminDashboardPlatformOrderGovernanceBarsShouldExplainMetricsTest.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminDashboardPlatformOrderGovernanceBarsShouldExplainMetricsTest 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_should_render_platform_order_governance_explanation_text(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin');
+
+        $res->assertOk();
+        $res->assertSee('治理风险占比');
+        $res->assertSee('口径说明');
+        $res->assertSee('同步失败=meta.subscription_activation_error.message');
+        $res->assertSee('BMPA失败=meta.batch_mark_paid_and_activate_error.message');
+        $res->assertSee('无回执=已支付但缺 payment_receipts');
+        $res->assertSee('对账不一致=回执汇总金额与 paid_amount 不一致');
+        $res->assertSee('退款不一致=退款汇总与退款状态不一致');
+        $res->assertSee('续费缺订阅=renewal 但 site_subscription_id 为空');
+    }
+}