diff --git a/src/mobile/router/modules.ts b/src/mobile/router/modules.ts
index 14e7ba9..7251d6d 100644
--- a/src/mobile/router/modules.ts
+++ b/src/mobile/router/modules.ts
@@ -57,6 +57,10 @@ const routeModuleList: Array<RouteRecordRaw> = [
     path: RoutePath.AGGREGATE_GROUP,
     name: 'Aggregate',
     component: Layout,
+    // 父级声明 title，子路由（unsupported / 各环境页 / entry）由 vue-router 的 to.meta 合并自动继承
+    meta: {
+      title: '收银台',
+    },
     children: [
       // 非宿主提示：静态 path 段
       {
diff --git a/src/pc/router/index.ts b/src/pc/router/index.ts
index 5be70fe..5bd29c7 100644
--- a/src/pc/router/index.ts
+++ b/src/pc/router/index.ts
@@ -1,6 +1,7 @@
 import type { App } from 'vue'
 import type { RouteRecordRaw } from 'vue-router'
 import { createRouter, createWebHistory } from 'vue-router'
+import { createPcRouterGuards } from '@/pc/router/router-guards'
 import { otherDeviceExclusives } from '@/shared/router/exclusive'
 import { RoutePath } from '@/shared/router/paths'
 
@@ -31,12 +32,14 @@ const routes: RouteRecordRaw[] = [
     path: RoutePath.AGGREGATE_UNSUPPORTED,
     name: 'PcAggregateUnsupported',
     component: () => import('@/pc/views/aggregate/Unsupported.vue'),
+    meta: { title: '收银台' },
   },
   // 聚合扫码支付（跨端）
   {
     path: RoutePath.AGGREGATE,
     name: 'PcAggregate',
     component: () => import('@/pc/views/aggregate/Index.vue'),
+    meta: { title: '收银台' },
   },
   // 商户对账单（PC 独占：移动端由注册表派生 device-only 存根）
   {
@@ -108,6 +111,8 @@ const pcRouter = createRouter({
 
 export function setupPCRouter(app: App) {
   app.use(pcRouter)
+  // 挂载守卫：依据路由 meta.title 切换浏览器标题
+  createPcRouterGuards(pcRouter)
 }
 
 export { pcRouter }
diff --git a/src/pc/router/router-guards.ts b/src/pc/router/router-guards.ts
new file mode 100644
index 0000000..e123ded
--- /dev/null
+++ b/src/pc/router/router-guards.ts
@@ -0,0 +1,21 @@
+import type { Router } from 'vue-router'
+
+/**
+ * PC 端路由守卫
+ *
+ * 仅处理 document.title 切换：当目标路由（或其 matched 链上任意父级）
+ * 声明了 meta.title 时，更新为该标题；否则保留当前 title（通常为
+ * 站点 systemName，由 [applyWebsiteBranding] 设置）。
+ *
+ * 与 mobile/router/router-guards.ts 对称实现，去掉 keepAlive 逻辑
+ * （PC 端无 keepAlive 需求）。
+ */
+export function createPcRouterGuards(router: Router) {
+  router.afterEach((to) => {
+    // 设置每个页面的 title
+    const title = to?.meta?.title as string | undefined
+    if (title) {
+      document.title = title
+    }
+  })
+}