diff --git a/frontend/src/pages/MerchantCenter.tsx b/frontend/src/pages/MerchantCenter.tsx
index 6f1a3d5..9b1452f 100644
--- a/frontend/src/pages/MerchantCenter.tsx
+++ b/frontend/src/pages/MerchantCenter.tsx
@@ -983,12 +983,32 @@ export default function MerchantCenter({ fixedTab, title = '商户中心' }: Mer
   ]
   const fixedTabContent = tabItems.find((item) => item.key === fixedTab)?.children
 
+  const parentCategoryMap: Record<string, string> = {
+    products: '商品管理',
+    orders: '订单管理',
+    wallet: '积分管理',
+    api: '开放 API',
+    callbacks: '开放 API',
+    members: '员工管理',
+  }
+
+  const currentTabKey = fixedTab ?? activeTab
+  const parentGroup = parentCategoryMap[currentTabKey]
+
+  const computedBreadcrumbs = useMemo(() => {
+    const pageTitle = title === '商品' ? '商品列表' : title
+    if (parentGroup) {
+      return [{ title: parentGroup }, { title: pageTitle }]
+    }
+    return [{ title: pageTitle }]
+  }, [parentGroup, title])
+
   return (
     <div>
       <PageHeader
         title={title}
         subtitle={merchant ? `${merchant.name} (${merchant.code}) · 当前身份: ${merchantRole ? roleText(merchantRole) : '-'}` : '商户配置与管理中心'}
-        breadcrumbs={[{ title: title }]}
+        breadcrumbs={computedBreadcrumbs}
         extra={
           <Button icon={<ReloadOutlined />} loading={loading} onClick={loadAll}>
             刷新
diff --git a/frontend/src/pages/PlatformMerchants.tsx b/frontend/src/pages/PlatformMerchants.tsx
index 62adfda..4f0f25b 100644
--- a/frontend/src/pages/PlatformMerchants.tsx
+++ b/frontend/src/pages/PlatformMerchants.tsx
@@ -318,7 +318,7 @@ export default function PlatformMerchants() {
       <PageHeader
         title="平台商户管理"
         subtitle="平台管理员维护各分销商户租户、分配商品库、配置手续费费率与积分调整"
-        breadcrumbs={[{ title: '商户管理' }]}
+        breadcrumbs={[{ title: '平台管理' }, { title: '商户管理' }]}
         extra={
           <Space>
             <Button icon={<ReloadOutlined />} onClick={() => load()}>