diff --git a/banban-mini/src/pages/sleep/index.tsx b/banban-mini/src/pages/sleep/index.tsx
index 4de552f..8a85dbe 100644
--- a/banban-mini/src/pages/sleep/index.tsx
+++ b/banban-mini/src/pages/sleep/index.tsx
@@ -1,6 +1,6 @@
 import { View, Text, Image, Input, Button } from '@tarojs/components'
-import { useState } from 'react'
-import Taro, { useDidShow, useShareAppMessage } from '@tarojs/taro'
+import { useEffect, useRef, useState } from 'react'
+import Taro, { useDidHide, useDidShow, useShareAppMessage } from '@tarojs/taro'
 import { authorizeParentPhone, clearToken, getParent, getToken, Parent } from '@/services/auth'
 import { DEVICE_UNAVAILABLE_MESSAGE } from '@/services/api'
 import { getCurrentUserId } from '@/services/session'
@@ -48,6 +48,22 @@ interface MenuItem {
   disabled?: boolean
 }
 
+const FIRMWARE_STATUS_POLL_INTERVAL_MS = 3000
+const FIRMWARE_UPDATE_IN_PROGRESS_STATUSES = new Set(['sent', 'accepted', 'updating'])
+const FIRMWARE_UPDATE_SUCCESS_STATUSES = new Set(['success', 'completed'])
+
+function normalizeFirmwareUpdateStatus(status?: string | null): string {
+  return String(status || '').trim().toLowerCase()
+}
+
+function isFirmwareUpdateInProgress(status?: string | null): boolean {
+  return FIRMWARE_UPDATE_IN_PROGRESS_STATUSES.has(normalizeFirmwareUpdateStatus(status))
+}
+
+function isFirmwareUpdateSuccessful(status?: string | null): boolean {
+  return FIRMWARE_UPDATE_SUCCESS_STATUSES.has(normalizeFirmwareUpdateStatus(status))
+}
+
 export default function Sleep() {
   const systemBanner = useSystemBanner()
   const [loading, setLoading] = useState(true)
@@ -89,11 +105,22 @@ export default function Sleep() {
   const [familyMemberDisplayName, setFamilyMemberDisplayName] = useState('')
   const [parentInfo, setParentInfo] = useState<Parent | null>(null)
   const [isAuthorizingPhone, setIsAuthorizingPhone] = useState(false)
+  const firmwareStatusPollTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
+  const firmwareStatusPollDeviceIdRef = useRef('')
+  const isFirmwareStatusPollingRef = useRef(false)
 
   useDidShow(() => {
     void loadData()
   })
 
+  useDidHide(() => {
+    stopFirmwareStatusPolling()
+  })
+
+  useEffect(() => () => {
+    stopFirmwareStatusPolling()
+  }, [])
+
   useShareAppMessage(() => {
     const targetName = currentChild?.child_name || binding?.device_id || '孩子'
     return {
@@ -145,11 +172,92 @@ export default function Sleep() {
 
   const currentChildName = currentChild?.child_name || '未设置'
 
+  function clearFirmwareStatusPollTimer() {
+    if (firmwareStatusPollTimerRef.current) {
+      clearTimeout(firmwareStatusPollTimerRef.current)
+      firmwareStatusPollTimerRef.current = null
+    }
+  }
+
+  function stopFirmwareStatusPolling() {
+    clearFirmwareStatusPollTimer()
+    firmwareStatusPollDeviceIdRef.current = ''
+    isFirmwareStatusPollingRef.current = false
+  }
+
+  function scheduleFirmwareStatusPoll(deviceId: string) {
+    clearFirmwareStatusPollTimer()
+    firmwareStatusPollTimerRef.current = setTimeout(() => {
+      void pollFirmwareStatus(deviceId)
+    }, FIRMWARE_STATUS_POLL_INTERVAL_MS)
+  }
+
+  function startFirmwareStatusPolling(deviceId: string) {
+    const normalizedDeviceId = String(deviceId || '').trim()
+    if (!normalizedDeviceId) return
+
+    firmwareStatusPollDeviceIdRef.current = normalizedDeviceId
+    scheduleFirmwareStatusPoll(normalizedDeviceId)
+  }
+
+  function syncFirmwareStatusPolling(deviceId: string, nextFirmwareStatus?: DeviceFirmwareStatus | null) {
+    const normalizedDeviceId = String(deviceId || '').trim()
+    if (!normalizedDeviceId) {
+      stopFirmwareStatusPolling()
+      return
+    }
+
+    if (isFirmwareUpdateInProgress(nextFirmwareStatus?.update_status)) {
+      startFirmwareStatusPolling(normalizedDeviceId)
+    } else {
+      stopFirmwareStatusPolling()
+    }
+  }
+
+  async function pollFirmwareStatus(deviceId: string) {
+    const normalizedDeviceId = String(deviceId || '').trim()
+    if (
+      !normalizedDeviceId ||
+      firmwareStatusPollDeviceIdRef.current !== normalizedDeviceId ||
+      isFirmwareStatusPollingRef.current
+    ) {
+      return
+    }
+
+    isFirmwareStatusPollingRef.current = true
+    try {
+      const nextFirmwareStatus = await getDeviceFirmwareStatus(normalizedDeviceId)
+      if (firmwareStatusPollDeviceIdRef.current !== normalizedDeviceId) return
+
+      setFirmwareStatus(nextFirmwareStatus)
+      if (isFirmwareUpdateInProgress(nextFirmwareStatus?.update_status)) {
+        scheduleFirmwareStatusPoll(normalizedDeviceId)
+        return
+      }
+
+      stopFirmwareStatusPolling()
+      const nextStatus = normalizeFirmwareUpdateStatus(nextFirmwareStatus?.update_status)
+      if (isFirmwareUpdateSuccessful(nextStatus)) {
+        Taro.showToast({ title: '系统更新完成', icon: 'success' })
+      } else if (nextStatus === 'failed') {
+        Taro.showToast({ title: '系统更新失败，可重试', icon: 'none' })
+      }
+    } catch (error) {
+      console.warn('[manage] firmware poll failed:', error)
+      if (firmwareStatusPollDeviceIdRef.current === normalizedDeviceId) {
+        scheduleFirmwareStatusPoll(normalizedDeviceId)
+      }
+    } finally {
+      isFirmwareStatusPollingRef.current = false
+    }
+  }
+
   const loadFirmwareStatus = async (deviceId?: string | null) => {
     const normalizedDeviceId = String(deviceId || '').trim()
     if (!normalizedDeviceId) {
       setFirmwareStatus(null)
       setIsLoadingFirmware(false)
+      stopFirmwareStatusPolling()
       return
     }
 
@@ -157,9 +265,13 @@ export default function Sleep() {
     try {
       const nextFirmwareStatus = await getDeviceFirmwareStatus(normalizedDeviceId)
       setFirmwareStatus(nextFirmwareStatus)
+      syncFirmwareStatusPolling(normalizedDeviceId, nextFirmwareStatus)
     } catch (error: any) {
       console.error('[manage] firmware load failed:', error)
       setFirmwareStatus(null)
+      if (firmwareStatusPollDeviceIdRef.current === normalizedDeviceId) {
+        stopFirmwareStatusPolling()
+      }
       Taro.showToast({
         title: error?.message || '系统更新状态加载失败',
         icon: 'none',
@@ -551,7 +663,15 @@ export default function Sleep() {
   }
 
   const handleStartFirmwareUpdate = () => {
-    if (!binding?.device_id || !firmwareStatus?.can_update || isLoadingFirmware || isUpdatingFirmware) return
+    if (
+      !binding?.device_id ||
+      !firmwareStatus?.can_update ||
+      isLoadingFirmware ||
+      isUpdatingFirmware ||
+      isFirmwareUpdateInProgress(firmwareStatus.update_status)
+    ) {
+      return
+    }
 
     Taro.showModal({
       title: '系统更新',
@@ -574,6 +694,7 @@ export default function Sleep() {
 
           const nextFirmwareStatus = await startDeviceFirmwareUpdate(binding.device_id)
           setFirmwareStatus(nextFirmwareStatus)
+          syncFirmwareStatusPolling(binding.device_id, nextFirmwareStatus)
           Taro.showToast({
             title: '更新指令已发送',
             icon: 'success',
@@ -787,8 +908,25 @@ export default function Sleep() {
     familyInfo?.device_id === binding.device_id &&
     isFamilyOwner
   )
-  const canUpdateFirmware = Boolean(binding?.device_id && firmwareStatus?.can_update && !isLoadingFirmware && !isUpdatingFirmware)
-  const firmwareActionText = isLoadingFirmware ? '查询中' : isUpdatingFirmware ? '发送中' : '更新'
+  const isFirmwareUpdatingByStatus = isFirmwareUpdateInProgress(firmwareStatus?.update_status)
+  const canUpdateFirmware = Boolean(
+    binding?.device_id &&
+    firmwareStatus?.can_update &&
+    !isLoadingFirmware &&
+    !isUpdatingFirmware &&
+    !isFirmwareUpdatingByStatus
+  )
+  const firmwareActionText = !binding?.device_id
+    ? '更新'
+    : isLoadingFirmware
+      ? '查询中'
+      : isUpdatingFirmware
+        ? '发送中'
+        : isFirmwareUpdatingByStatus
+          ? '更新中'
+          : firmwareStatus?.update_available
+            ? '更新'
+            : '已最新'
   const roleValue = !binding?.device_id
     ? '未绑定'
     : isLoadingRoles
@@ -803,9 +941,13 @@ export default function Sleep() {
     ? '绑定设备后可查看系统版本'
     : isLoadingFirmware
       ? '正在查询当前设备版本'
-      : firmwareStatus?.update_available
-        ? '发现可更新版本'
-        : '当前设备版本状态'
+      : isFirmwareUpdatingByStatus
+        ? '设备正在更新，请稍候'
+        : normalizeFirmwareUpdateStatus(firmwareStatus?.update_status) === 'failed'
+          ? '更新失败，可重试'
+          : firmwareStatus?.update_available
+            ? '发现可更新版本'
+            : '当前设备版本状态'
   const menuItems: MenuItem[] = [
     {
       icon: require('../../assets/tab-icons/orange-robot.png'),