diff --git a/frontend/src/features/orders/composables/useMobilePaymentCashier.ts b/frontend/src/features/orders/composables/useMobilePaymentCashier.ts
index d10b711..2ce20ca 100644
--- a/frontend/src/features/orders/composables/useMobilePaymentCashier.ts
+++ b/frontend/src/features/orders/composables/useMobilePaymentCashier.ts
@@ -32,7 +32,7 @@ export function useMobilePaymentCashier() {
         confirmButtonText: '知道了',
       })
     },
-    paidMessage: '支付成功，等待号主交接',
+    paidMessage: '支付成功，正在进入群消息',
     pollIntervalMs: 2500,
     qrWidth: 220,
     openExternalURL: url => {
diff --git a/frontend/src/features/orders/composables/useOrderActions.ts b/frontend/src/features/orders/composables/useOrderActions.ts
index 93cf1a6..34c9cb3 100644
--- a/frontend/src/features/orders/composables/useOrderActions.ts
+++ b/frontend/src/features/orders/composables/useOrderActions.ts
@@ -61,7 +61,7 @@ export interface UseOrderActionsOptions {
   /**
    * 打开收银台 UI（二维码弹窗 / App 浏览器跳转）。由调用方注入。
    * 仅在 payment 未支付时被调用；payment 已支付的情况由 composable 自行提示并 loadOrder。
-   * onPaid：支付完成（轮询发现 paid）时的回调，通常传入 loadOrder。
+   * onPaid：支付完成（轮询发现 paid）时的回调，通常跳转到群消息。
    */
   startCashier: (payment: PaymentOrder, onPaid: () => Promise<void>) => void | Promise<void>
   /** 修改结账提交成功后触发（如关闭弹窗）。可选。 */
@@ -270,11 +270,11 @@ export function useOrderActions(options: UseOrderActionsOptions) {
     try {
       const payment = await startOrderPayment(order.value.id, { pay_way: payWay })
       if (payment.paid) {
-        options.notifySuccess('支付成功，等待号主交接')
-        await loadOrder()
+        options.notifySuccess('支付成功，正在进入群消息')
+        await openOrderChatAfterPayment()
         return
       }
-      await options.startCashier(payment, loadOrder)
+      await options.startCashier(payment, openOrderChatAfterPayment)
     } catch (error) {
       options.notifyError(readError(error, '支付失败'))
     } finally {
@@ -520,12 +520,30 @@ export function useOrderActions(options: UseOrderActionsOptions) {
 
   async function openOrderChat() {
     if (!order.value || openingChat.value) return
+    await navigateToOrderChat(order.value.id, '订单群聊暂不可用')
+  }
+
+  async function openOrderChatAfterPayment() {
+    if (!order.value) return
+    const opened = await navigateToOrderChat(
+      order.value.id,
+      '支付成功，但群消息暂不可用，请稍后从消息进入'
+    )
+    if (!opened) {
+      await loadOrder()
+    }
+  }
+
+  async function navigateToOrderChat(orderID: number, errorMessage: string) {
+    if (openingChat.value) return false
     openingChat.value = true
     try {
-      const chat = await fetchOrderChat(order.value.id)
+      const chat = await fetchOrderChat(orderID)
       await router.push(`${options.chatPathPrefix}${chat.id}`)
+      return true
     } catch {
-      options.notifyError('订单群聊暂不可用')
+      options.notifyError(errorMessage)
+      return false
     } finally {
       openingChat.value = false
     }
diff --git a/frontend/src/features/orders/composables/useOrderPaymentCashier.ts b/frontend/src/features/orders/composables/useOrderPaymentCashier.ts
index d8c9a3f..9ee9376 100644
--- a/frontend/src/features/orders/composables/useOrderPaymentCashier.ts
+++ b/frontend/src/features/orders/composables/useOrderPaymentCashier.ts
@@ -28,7 +28,7 @@ export interface UseOrderPaymentCashierOptions {
    * Mobile 用 vant dialog（带"知道了"按钮）做强提示，PC 用普通提示即可。
    */
   notifyFallback: (message: string) => void
-  /** 支付完成的提示文案，默认 "支付成功，等待号主交接"。 */
+  /** 支付完成的提示文案，默认 "支付成功，正在进入群消息"。 */
   paidMessage?: string
   /** 轮询间隔，PC 3000 / Mobile 2500。 */
   pollIntervalMs?: number
@@ -60,7 +60,7 @@ export function useOrderPaymentCashier(options: UseOrderPaymentCashierOptions) {
 
   const pollIntervalMs = options.pollIntervalMs ?? 2500
   const qrWidth = options.qrWidth ?? 220
-  const paidMessage = options.paidMessage ?? '支付成功，等待号主交接'
+  const paidMessage = options.paidMessage ?? '支付成功，正在进入群消息'
 
   const payURL = computed(() => paymentPayURL(activePayment.value))
 
diff --git a/frontend/src/features/orders/views/MobileOrdersView.vue b/frontend/src/features/orders/views/MobileOrdersView.vue
index 83a0ea0..a7fdbe2 100644
--- a/frontend/src/features/orders/views/MobileOrdersView.vue
+++ b/frontend/src/features/orders/views/MobileOrdersView.vue
@@ -13,6 +13,7 @@ import {
 } from '@/features/orders/api/orders'
 import MobilePaymentCashierPopup from '@/features/orders/components/MobilePaymentCashierPopup.vue'
 import { useMobilePaymentCashier } from '@/features/orders/composables/useMobilePaymentCashier'
+import { fetchOrderChat } from '@/features/chats/api/chats'
 import { centToYuan, formatMoney } from '@/shared/utils/money'
 import { useSessionStore } from '@/stores/session'
 import { formatDateMinute } from '@/shared/utils/time'
@@ -100,10 +101,10 @@ async function handlePay(order: Order) {
   try {
     const payment = await startOrderPayment(order.id, { pay_way: payWay })
     if (payment.paid) {
-      showToast({ message: '支付成功，等待号主交接', icon: 'passed' })
-      await loadOrders()
+      showToast({ message: '支付成功，正在进入群消息', icon: 'passed' })
+      await openOrderChatAfterPayment(order)
     } else {
-      await openMobilePaymentCashier(payment, loadOrders)
+      await openMobilePaymentCashier(payment, () => openOrderChatAfterPayment(order))
     }
   } catch (error) {
     showToast({ message: readError(error, '支付失败'), icon: 'cross' })
@@ -112,6 +113,16 @@ async function handlePay(order: Order) {
   }
 }
 
+async function openOrderChatAfterPayment(order: Order) {
+  try {
+    const chat = await fetchOrderChat(order.id)
+    await router.push(`/m/chats/${chat.id}`)
+  } catch {
+    showToast({ message: '支付成功，但群消息暂不可用，请稍后从消息进入', icon: 'warning-o' })
+    await loadOrders()
+  }
+}
+
 // selectPayWay 在列表快捷支付前让用户选择支付宝或微信。
 async function selectPayWay(): Promise<PaymentPayWay | null> {
   try {
diff --git a/frontend/src/features/orders/views/OrderDetailView.vue b/frontend/src/features/orders/views/OrderDetailView.vue
index fc7c8b1..48c085f 100644
--- a/frontend/src/features/orders/views/OrderDetailView.vue
+++ b/frontend/src/features/orders/views/OrderDetailView.vue
@@ -23,7 +23,7 @@ const cashier = useOrderPaymentCashier({
   notifyError: message => ElMessage.error(message),
   notifyInfo: message => ElMessage.info(message),
   notifyFallback: message => ElMessage.warning(message),
-  paidMessage: '支付成功，等待号主交接',
+  paidMessage: '支付成功，正在进入群消息',
   pollIntervalMs: 3000,
   qrWidth: 240,
 })