diff --git a/index.html b/index.html
index 93c0043..85cb935 100644
--- a/index.html
+++ b/index.html
@@ -5,6 +5,18 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover" />
     <meta name="theme-color" content="#0c5045" />
     <title>常青树健康管理</title>
+    <script>
+      function hideWxToolbar() {
+        if (typeof WeixinJSBridge !== 'undefined' && WeixinJSBridge.call) {
+          WeixinJSBridge.call('hideToolbar');
+        }
+      }
+      if (typeof WeixinJSBridge === 'undefined') {
+        document.addEventListener('WeixinJSBridgeReady', hideWxToolbar, false);
+      } else {
+        hideWxToolbar();
+      }
+    </script>
   </head>
   <body>
     <div id="app"></div>
diff --git a/src/components/AppTabBar.vue b/src/components/AppTabBar.vue
index ef46279..24ba2c9 100644
--- a/src/components/AppTabBar.vue
+++ b/src/components/AppTabBar.vue
@@ -14,11 +14,11 @@ const currentTab = computed(() => {
 
 function navigate(target: string) {
   if (target === 'home' && route.path !== '/dashboard') {
-    router.push('/dashboard')
+    router.replace('/dashboard')
   } else if (target === 'assessment' && route.path !== '/assessment') {
-    router.push('/assessment')
+    router.replace('/assessment')
   } else if (target === 'profile' && route.path !== '/profile') {
-    router.push('/profile')
+    router.replace('/profile')
   }
 }
 </script>
@@ -80,15 +80,19 @@ function navigate(target: string) {
   transform: translateX(-50%);
   width: 100%;
   max-width: 480px;
-  height: 60px;
-  background: rgba(255, 255, 255, 0.96);
+  min-height: 56px;
+  height: calc(56px + env(safe-area-inset-bottom, 0px));
+  box-sizing: border-box;
+  background: rgba(255, 255, 255, 0.98);
   backdrop-filter: blur(12px);
+  -webkit-backdrop-filter: blur(12px);
   border-top: 1px solid rgba(18, 63, 55, 0.08);
   display: flex;
   justify-content: space-around;
-  align-items: center;
-  z-index: 99;
+  align-items: flex-start;
+  padding-top: 6px;
   padding-bottom: env(safe-area-inset-bottom, 0px);
+  z-index: 999;
   box-shadow: 0 -4px 16px rgba(18, 63, 55, 0.04);
 }
 
@@ -98,35 +102,33 @@ function navigate(target: string) {
   align-items: center;
   justify-content: center;
   flex: 1;
-  height: 100%;
+  height: 44px;
   color: #7d8e87;
   cursor: pointer;
-  transition: all 0.2s ease;
+  transition: color 0.2s ease;
   user-select: none;
 }
 
 .tab-icon {
-  margin-bottom: 2px;
+  width: 22px;
+  height: 22px;
   display: flex;
   align-items: center;
   justify-content: center;
-  transition: transform 0.2s ease;
 }
 
 .tab-label {
   font-size: 11px;
   font-weight: 500;
   letter-spacing: 0.02em;
+  margin-top: 2px;
+  line-height: 1.2;
 }
 
 .tab-item.active {
   color: #0c5045;
 }
 
-.tab-item.active .tab-icon {
-  transform: translateY(-1px);
-}
-
 .tab-item.active .tab-label {
   font-weight: 700;
 }
diff --git a/src/router.ts b/src/router.ts
index 0a38049..d31918e 100644
--- a/src/router.ts
+++ b/src/router.ts
@@ -24,4 +24,10 @@ router.beforeEach((to) => {
   if (to.meta.guest && hasToken()) return '/dashboard'
 })
 
+router.afterEach(() => {
+  if (typeof (window as any).WeixinJSBridge !== 'undefined' && (window as any).WeixinJSBridge.call) {
+    (window as any).WeixinJSBridge.call('hideToolbar')
+  }
+})
+
 export default router
diff --git a/src/services/health.ts b/src/services/health.ts
index adf68a6..6d9c99b 100644
--- a/src/services/health.ts
+++ b/src/services/health.ts
@@ -171,6 +171,7 @@ export type HomeAssistantDeviceSwitchOutput = {
   deviceId: string
   entityId: string
   state: string
+  isMuted?: boolean | null
   message: string
 }
 
diff --git a/src/styles.css b/src/styles.css
index 3264ffe..504b157 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -11,7 +11,15 @@
 }
 
 * { box-sizing: border-box; }
-body { margin: 0; min-width: 320px; min-height: 100vh; background: #e8e6df; }
+html, body {
+  margin: 0;
+  padding: 0;
+  min-width: 320px;
+  min-height: 100vh;
+  background: #e8e6df;
+  overflow-x: hidden;
+  -webkit-text-size-adjust: 100%;
+}
 #app {
   max-width: 480px;
   margin: 0 auto;
@@ -19,6 +27,7 @@ body { margin: 0; min-width: 320px; min-height: 100vh; background: #e8e6df; }
   position: relative;
   background: #f2f0e9;
   box-shadow: 0 0 30px rgba(0, 0, 0, 0.08);
+  overflow-x: hidden;
 }
 button, input, textarea { font: inherit; }
 button { cursor: pointer; }
diff --git a/src/views/AssessmentView.vue b/src/views/AssessmentView.vue
index adc7ccb..a221378 100644
--- a/src/views/AssessmentView.vue
+++ b/src/views/AssessmentView.vue
@@ -245,7 +245,7 @@ async function handleSave() {
       answers: { ...answers }
     })
     showToast({ type: 'success', message: '评估已完成，已更新智能设备方案' })
-    router.push('/dashboard')
+    router.replace('/dashboard')
   } catch (err) {
     showToast(err instanceof Error ? err.message : '保存失败，请重试')
   } finally {
diff --git a/src/views/DashboardView.vue b/src/views/DashboardView.vue
index fc312ce..6843374 100644
--- a/src/views/DashboardView.vue
+++ b/src/views/DashboardView.vue
@@ -88,14 +88,14 @@ onMounted(load)
           round
           color="#f1c37a"
           text-color="#183b34"
-          @click="router.push('/assessment')"
+          @click="router.replace('/assessment')"
         >
           去健康评估
         </van-button>
       </section>
 
       <!-- 未完成评估提示横幅 -->
-      <section v-if="!dashboard?.hasCompletedAssessment" class="assessment-guide-banner" @click="router.push('/assessment')">
+      <section v-if="!dashboard?.hasCompletedAssessment" class="assessment-guide-banner" @click="router.replace('/assessment')">
         <div class="guide-badge">重要提醒</div>
         <div class="guide-body">
           <div class="guide-text">
diff --git a/src/views/DeviceControlView.vue b/src/views/DeviceControlView.vue
index a8189d8..f42efdf 100644
--- a/src/views/DeviceControlView.vue
+++ b/src/views/DeviceControlView.vue
@@ -1,7 +1,13 @@
 <script setup lang="ts">
 import { computed, onMounted, reactive, ref } from 'vue'
 import { useRouter } from 'vue-router'
-import { Button as VanButton, showToast, Slider as VanSlider } from 'vant'
+import {
+  Button as VanButton,
+  showFailToast,
+  showLoadingToast,
+  showSuccessToast,
+  Slider as VanSlider
+} from 'vant'
 import {
   healthApi,
   type HomeAssistantDiscoveredDevice,
@@ -14,6 +20,44 @@ const haStatus = ref<HomeAssistantStatus>()
 const sceneRunning = ref<'sleep' | 'all-off'>()
 const settingParam = ref<string | null>(null)
 const switchingDeviceId = ref<string | null>(null)
+const lastUpdatedAt = ref('')
+const actionFeedback = ref<{ type: 'success' | 'fail'; message: string }>()
+
+const parameterLabels: Record<string, string> = {
+  humidity: '目标湿度',
+  dehumidifier_mode: '除湿模式',
+  fan_level: '风速档位',
+  uv: 'UV 杀菌',
+  brightness: '灯光亮度',
+  color_temp: '灯光色温',
+  volume: '音箱音量',
+  speaker_sleep_mode: '音箱睡眠模式',
+  mattress_left_heating: '床垫左侧加热',
+  mattress_right_heating: '床垫右侧加热',
+  mattress_left_mode: '床垫左侧承托模式',
+  mattress_right_mode: '床垫右侧承托模式'
+}
+
+function setFeedback(type: 'success' | 'fail', message: string) {
+  actionFeedback.value = { type, message }
+}
+
+const operationBusy = computed(() =>
+  loading.value || Boolean(sceneRunning.value) || Boolean(settingParam.value) || Boolean(switchingDeviceId.value)
+)
+
+const currentOperationText = computed(() => {
+  if (sceneRunning.value === 'sleep') return '正在启动全屋舒睡模式…'
+  if (sceneRunning.value === 'all-off') return '正在关闭场景设备…'
+  if (switchingDeviceId.value) return '正在同步设备开关状态…'
+  if (settingParam.value) {
+    const parameterType = Object.keys(parameterLabels)
+      .find(key => settingParam.value?.endsWith(`_${key}`))
+    return `正在设置${parameterLabels[parameterType ?? ''] ?? '设备参数'}…`
+  }
+  if (loading.value) return '正在刷新设备状态…'
+  return ''
+})
 
 // 本地参数临时状态映射
 const localParams = reactive({
@@ -38,6 +82,10 @@ const localParams = reactive({
   mattressRightMode: '智能适配'
 })
 
+function clamp(val: number, min: number, max: number): number {
+  return Math.min(max, Math.max(min, val))
+}
+
 function numberValue(value: unknown): number | undefined {
   if (typeof value === 'number' && Number.isFinite(value)) return value
   if (typeof value === 'string') {
@@ -47,33 +95,42 @@ function numberValue(value: unknown): number | undefined {
   return undefined
 }
 
-async function loadStatus() {
+async function loadStatus(notify = false) {
   loading.value = true
   try {
     haStatus.value = await healthApi.homeAssistantStatus()
     const controls = haStatus.value?.controlParameters ?? {}
     const humidifier = controls.humidity
     const humidity = numberValue(humidifier?.attributes?.humidity)
-    if (humidity !== undefined) localParams.dehumidifierHumidity = humidity
+    if (humidity !== undefined) localParams.dehumidifierHumidity = clamp(humidity, 40, 70)
     if (typeof humidifier?.attributes?.mode === 'string') localParams.dehumidifierMode = humidifier.attributes.mode
     if (controls.fan_level?.state) localParams.dehumidifierFan = controls.fan_level.state.replace('档', '挡')
     localParams.dehumidifierUv = controls.uv?.state === 'on'
 
     const brightness = numberValue(controls.brightness?.attributes?.brightness)
-    if (brightness !== undefined) localParams.lightBrightness = Math.round(brightness / 255 * 100)
+    if (brightness !== undefined) localParams.lightBrightness = clamp(Math.round(brightness / 255 * 100), 1, 100)
     const kelvin = numberValue(controls.color_temp?.attributes?.color_temp_kelvin)
-    if (kelvin !== undefined) localParams.lightColorTemp = kelvin
+    if (kelvin !== undefined) localParams.lightColorTemp = clamp(kelvin, 2200, 6500)
 
     const volume = numberValue(controls.volume?.attributes?.volume_level)
-    if (volume !== undefined) localParams.speakerVolume = Math.round(volume * 100)
+    if (volume !== undefined) localParams.speakerVolume = clamp(Math.round(volume * 100), 0, 100)
     localParams.speakerSleepMode = controls.speaker_sleep_mode?.state === 'on'
 
-    localParams.mattressLeftHeating = numberValue(controls.mattress_left_heating?.state) ?? 1
-    localParams.mattressRightHeating = numberValue(controls.mattress_right_heating?.state) ?? 1
+    localParams.mattressLeftHeating = clamp(numberValue(controls.mattress_left_heating?.state) ?? 1, 0, 4)
+    localParams.mattressRightHeating = clamp(numberValue(controls.mattress_right_heating?.state) ?? 1, 0, 4)
     if (controls.mattress_left_mode?.state) localParams.mattressLeftMode = controls.mattress_left_mode.state
     if (controls.mattress_right_mode?.state) localParams.mattressRightMode = controls.mattress_right_mode.state
+    lastUpdatedAt.value = new Intl.DateTimeFormat('zh-CN', {
+      hour: '2-digit', minute: '2-digit', second: '2-digit', hour12: false
+    }).format(new Date())
+    if (notify) {
+      setFeedback('success', '设备状态已刷新')
+      showSuccessToast('设备状态已刷新')
+    }
   } catch (err) {
-    showToast(err instanceof Error ? err.message : '获取设备状态失败')
+    const message = err instanceof Error ? err.message : '获取设备状态失败'
+    setFeedback('fail', message)
+    showFailToast(message)
   } finally {
     loading.value = false
   }
@@ -107,31 +164,64 @@ function isDeviceTurnedOn(device?: HomeAssistantDiscoveredDevice): boolean {
   if (!device || !device.primaryControlEntityId) return false
   const target = device.entities.find(e => e.entityId === device.primaryControlEntityId)
   if (!target) return false
+  if (target.domain === 'media_player') {
+    const muted = target.attributes?.is_volume_muted
+    if (typeof muted === 'boolean') return !muted
+    if (typeof muted === 'string') return muted.toLowerCase() !== 'true'
+  }
   return target.state === 'on' || target.state === 'playing'
 }
 
+function updateEntityState(deviceId: string, entityId: string, state: string, isMuted?: boolean | null) {
+  const device = haStatus.value?.devices.find(item => item.deviceId === deviceId)
+  const entity = device?.entities.find(item => item.entityId === entityId)
+  if (!entity) return
+  entity.state = state
+  if (typeof isMuted === 'boolean') {
+    entity.attributes = { ...(entity.attributes ?? {}), is_volume_muted: isMuted }
+  }
+}
+
 // 单独开关设备
 async function toggleDevice(device?: HomeAssistantDiscoveredDevice) {
   if (!device || !device.primaryControlEntityId) {
-    showToast('该设备暂无可控主开关')
+    const message = '该设备暂无可控主开关'
+    setFeedback('fail', message)
+    showFailToast(message)
     return
   }
   const nextOn = !isDeviceTurnedOn(device)
+  const isMediaDevice = device.category === 'Media'
   switchingDeviceId.value = device.deviceId
+  const loadingToast = showLoadingToast({
+    message: isMediaDevice
+      ? (nextOn ? '正在取消静音…' : '正在静音…')
+      : (nextOn ? '正在开启设备…' : '正在关闭设备…'),
+    forbidClick: true,
+    duration: 0
+  })
   try {
     const res = await healthApi.switchDevice({
       deviceId: device.deviceId,
       turnOn: nextOn,
       entityId: device.primaryControlEntityId
     })
-    showToast({
-      type: res.success ? 'success' : 'fail',
-      message: res.message || (nextOn ? '已开启' : '已关闭')
-    })
-    haStatus.value = await healthApi.homeAssistantStatus()
+    const message = res.message || (isMediaDevice
+      ? (nextOn ? '音箱声音已开启' : '音箱已静音')
+      : (nextOn ? '设备已开启' : '设备已关闭'))
+    if (!res.success) throw new Error(message)
+    await loadStatus()
+    // 命令接口已经回读并确认真实状态；覆盖可能仍处于短暂缓存中的状态列表。
+    updateEntityState(res.deviceId, res.entityId, res.state, res.isMuted)
+    setFeedback('success', message)
+    showSuccessToast(message)
   } catch (err) {
-    showToast(err instanceof Error ? err.message : '控制失败')
+    const message = err instanceof Error ? err.message : '控制失败'
+    await loadStatus()
+    setFeedback('fail', message)
+    showFailToast(message)
   } finally {
+    loadingToast.close()
     switchingDeviceId.value = null
   }
 }
@@ -140,6 +230,12 @@ async function toggleDevice(device?: HomeAssistantDiscoveredDevice) {
 async function applyParam(deviceId: string, paramType: string, val: unknown, entityId?: string) {
   const key = `${deviceId}_${paramType}`
   settingParam.value = key
+  const label = parameterLabels[paramType] || '设备参数'
+  const loadingToast = showLoadingToast({
+    message: `正在设置${label}…`,
+    forbidClick: true,
+    duration: 0
+  })
   try {
     const res = await healthApi.setParameter({
       deviceId,
@@ -147,34 +243,73 @@ async function applyParam(deviceId: string, paramType: string, val: unknown, ent
       parameterType: paramType,
       value: val
     })
-    showToast({
-      type: res.success ? 'success' : 'fail',
-      message: res.message || '参数设置成功'
-    })
+    const message = res.message || `${label}设置成功`
+    if (!res.success) throw new Error(message)
     await loadStatus()
+    setFeedback('success', message)
+    showSuccessToast(message)
   } catch (err) {
-    showToast(err instanceof Error ? err.message : '参数设置失败')
+    const message = err instanceof Error ? err.message : `${label}设置失败`
+    await loadStatus()
+    setFeedback('fail', message)
+    showFailToast(message)
   } finally {
+    loadingToast.close()
     settingParam.value = null
   }
 }
 
+async function setMattressMode(side: 'left' | 'right', mode: string) {
+  const device = mattressDevice.value
+  if (!device) return
+
+  if (side === 'left') {
+    localParams.mattressLeftMode = mode
+    if (mode !== '无') localParams.mattressRightMode = '无'
+    await applyParam(device.deviceId, 'mattress_left_mode', mode)
+    return
+  }
+
+  localParams.mattressRightMode = mode
+  if (mode !== '无') localParams.mattressLeftMode = '无'
+  await applyParam(device.deviceId, 'mattress_right_mode', mode)
+}
+
 // 一键场景
 async function executeScene(scene: 'sleep' | 'all-off') {
   sceneRunning.value = scene
+  const loadingToast = showLoadingToast({
+    message: scene === 'sleep' ? '正在启动舒睡场景…' : '正在关闭场景设备…',
+    forbidClick: true,
+    duration: 0
+  })
   try {
     const res = scene === 'sleep'
       ? await healthApi.executeSleepScene()
       : await healthApi.executeAllOffScene()
-    showToast({ type: res.success ? 'success' : 'fail', message: res.message })
-    haStatus.value = await healthApi.homeAssistantStatus()
+    if (!res.success) throw new Error(res.message || '场景执行失败')
+    await loadStatus()
+    setFeedback('success', res.message)
+    showSuccessToast(res.message)
   } catch (err) {
-    showToast(err instanceof Error ? err.message : '场景执行失败')
+    const message = err instanceof Error ? err.message : '场景执行失败'
+    await loadStatus()
+    setFeedback('fail', message)
+    showFailToast(message)
   } finally {
+    loadingToast.close()
     sceneRunning.value = undefined
   }
 }
 
+function handleBack() {
+  if (window.history.length > 1) {
+    router.back()
+  } else {
+    router.replace('/dashboard')
+  }
+}
+
 onMounted(() => {
   loadStatus()
 })
@@ -184,14 +319,16 @@ onMounted(() => {
   <div class="control-page">
     <!-- 顶部返回条 -->
     <header class="top-nav">
-      <button class="back-btn" @click="router.back()">
+      <button class="back-btn" @click="handleBack">
         <svg viewBox="0 0 24 24" width="20" height="20" fill="none" stroke="currentColor" stroke-width="2.5">
           <polyline points="15 18 9 12 15 6" />
         </svg>
         <span>返回首页</span>
       </button>
       <h2>智能设备详情与参数调节</h2>
-      <button class="refresh-btn" @click="loadStatus">刷新</button>
+      <button class="refresh-btn" :disabled="operationBusy" @click="loadStatus(true)">
+        {{ loading ? '刷新中…' : '刷新' }}
+      </button>
     </header>
 
     <main class="control-content">
@@ -215,30 +352,45 @@ onMounted(() => {
         <div class="scene-actions-grid">
           <button
             class="scene-btn sleep-btn"
-            :disabled="sceneRunning !== undefined"
+            :disabled="operationBusy"
             @click="executeScene('sleep')"
           >
             <div class="s-icon">🌙</div>
             <div class="s-text">
-              <strong>一键启动全屋舒睡模式</strong>
+              <strong>{{ sceneRunning === 'sleep' ? '正在启动舒睡模式…' : '一键启动全屋舒睡模式' }}</strong>
               <small>协同控制除湿、香氛、灯光、音箱与床垫</small>
             </div>
           </button>
 
           <button
             class="scene-btn off-btn"
-            :disabled="sceneRunning !== undefined"
+            :disabled="operationBusy"
             @click="executeScene('all-off')"
           >
             <div class="s-icon">⚪</div>
             <div class="s-text">
-              <strong>一键关闭设备</strong>
+              <strong>{{ sceneRunning === 'all-off' ? '正在关闭设备…' : '一键关闭设备' }}</strong>
               <small>安全待机休眠</small>
             </div>
           </button>
         </div>
       </section>
 
+      <div
+        class="operation-status"
+        :class="actionFeedback?.type"
+        role="status"
+        aria-live="polite"
+      >
+        <span class="operation-message">
+          <i v-if="operationBusy" class="operation-spinner" aria-hidden="true"></i>
+          <i v-else-if="actionFeedback?.type === 'success'" class="operation-result" aria-hidden="true">✓</i>
+          <i v-else-if="actionFeedback?.type === 'fail'" class="operation-result" aria-hidden="true">!</i>
+          {{ currentOperationText || actionFeedback?.message || '操作完成后会自动刷新设备状态' }}
+        </span>
+        <small v-if="lastUpdatedAt">最后刷新 {{ lastUpdatedAt }}</small>
+      </div>
+
       <!-- 设备 1：米家变频净化除湿机 Max -->
       <section class="device-card" v-if="dehumidifierDevice">
         <div class="device-head">
@@ -255,6 +407,7 @@ onMounted(() => {
             :type="isDeviceTurnedOn(dehumidifierDevice) ? 'primary' : 'default'"
             :color="isDeviceTurnedOn(dehumidifierDevice) ? '#0c5045' : ''"
             :loading="switchingDeviceId === dehumidifierDevice.deviceId"
+            :disabled="operationBusy"
             @click="toggleDevice(dehumidifierDevice)"
           >
             {{ isDeviceTurnedOn(dehumidifierDevice) ? '已开启' : '已关闭' }}
@@ -273,6 +426,7 @@ onMounted(() => {
               :min="40"
               :max="70"
               :step="1"
+              :disabled="operationBusy"
               active-color="#0c5045"
               @change="applyParam(dehumidifierDevice.deviceId, 'humidity', localParams.dehumidifierHumidity)"
             />
@@ -291,6 +445,7 @@ onMounted(() => {
                 v-for="mode in ['睡眠', '智能']"
                 :key="mode"
                 :class="{ active: localParams.dehumidifierMode === mode }"
+                :disabled="operationBusy"
                 @click="localParams.dehumidifierMode = mode; applyParam(dehumidifierDevice.deviceId, 'dehumidifier_mode', mode)"
               >{{ mode }}</button>
             </div>
@@ -304,6 +459,7 @@ onMounted(() => {
                 v-for="fan in ['1挡', '2挡', '3挡']"
                 :key="fan"
                 :class="{ active: localParams.dehumidifierFan === fan }"
+                :disabled="operationBusy"
                 @click="localParams.dehumidifierFan = fan; applyParam(dehumidifierDevice.deviceId, 'fan_level', fan)"
               >
                 {{ fan }}
@@ -320,6 +476,7 @@ onMounted(() => {
             <button
               class="mini-toggle"
               :class="{ active: localParams.dehumidifierUv }"
+              :disabled="operationBusy"
               @click="localParams.dehumidifierUv = !localParams.dehumidifierUv; applyParam(dehumidifierDevice.deviceId, 'uv', localParams.dehumidifierUv)"
             >
               {{ localParams.dehumidifierUv ? '已开启' : '已关闭' }}
@@ -344,6 +501,7 @@ onMounted(() => {
             :type="isDeviceTurnedOn(lightDevice) ? 'primary' : 'default'"
             :color="isDeviceTurnedOn(lightDevice) ? '#0c5045' : ''"
             :loading="switchingDeviceId === lightDevice.deviceId"
+            :disabled="operationBusy"
             @click="toggleDevice(lightDevice)"
           >
             {{ isDeviceTurnedOn(lightDevice) ? '已点亮' : '已熄灭' }}
@@ -361,9 +519,15 @@ onMounted(() => {
               v-model="localParams.lightBrightness"
               :min="1"
               :max="100"
+              :disabled="operationBusy"
               active-color="#d6a657"
               @change="applyParam(lightDevice.deviceId, 'brightness', localParams.lightBrightness)"
             />
+            <div class="slider-scale">
+              <span>1% 柔和微光</span>
+              <span>50% 舒缓</span>
+              <span>100% 满亮</span>
+            </div>
           </div>
 
           <!-- 色温滑块 -->
@@ -375,14 +539,15 @@ onMounted(() => {
             <VanSlider
               v-model="localParams.lightColorTemp"
               :min="2200"
-              :max="5000"
+              :max="6500"
               :step="50"
+              :disabled="operationBusy"
               active-color="#c87f2b"
               @change="applyParam(lightDevice.deviceId, 'color_temp', localParams.lightColorTemp)"
             />
             <div class="slider-scale">
               <span>2200K 超暖橙光 (利于褪黑素)</span>
-              <span>5000K 明亮白光</span>
+              <span>6500K 清爽冷白光</span>
             </div>
           </div>
         </div>
@@ -404,9 +569,10 @@ onMounted(() => {
             :type="isDeviceTurnedOn(speakerDevice) ? 'primary' : 'default'"
             :color="isDeviceTurnedOn(speakerDevice) ? '#0c5045' : ''"
             :loading="switchingDeviceId === speakerDevice.deviceId"
+            :disabled="operationBusy"
             @click="toggleDevice(speakerDevice)"
           >
-            {{ isDeviceTurnedOn(speakerDevice) ? '正在播放' : '已暂停' }}
+            {{ isDeviceTurnedOn(speakerDevice) ? '声音开启' : '已静音' }}
           </VanButton>
         </div>
 
@@ -421,9 +587,15 @@ onMounted(() => {
               v-model="localParams.speakerVolume"
               :min="1"
               :max="100"
+              :disabled="operationBusy"
               active-color="#0c5045"
               @change="applyParam(speakerDevice.deviceId, 'volume', localParams.speakerVolume)"
             />
+            <div class="slider-scale">
+              <span>1% 轻柔助眠</span>
+              <span>50% 适中聆听</span>
+              <span>100% 满格音量</span>
+            </div>
           </div>
 
           <div class="param-row inline-row">
@@ -434,6 +606,7 @@ onMounted(() => {
             <button
               class="mini-toggle"
               :class="{ active: localParams.speakerSleepMode }"
+              :disabled="operationBusy"
               @click="localParams.speakerSleepMode = !localParams.speakerSleepMode; applyParam(speakerDevice.deviceId, 'speaker_sleep_mode', localParams.speakerSleepMode)"
             >
               {{ localParams.speakerSleepMode ? '已开启' : '已关闭' }}
@@ -458,6 +631,7 @@ onMounted(() => {
             :type="isDeviceTurnedOn(fragranceDevice) ? 'primary' : 'default'"
             :color="isDeviceTurnedOn(fragranceDevice) ? '#0c5045' : ''"
             :loading="switchingDeviceId === fragranceDevice.deviceId"
+            :disabled="operationBusy"
             @click="toggleDevice(fragranceDevice)"
           >
             {{ isDeviceTurnedOn(fragranceDevice) ? '释放中' : '已关闭' }}
@@ -496,6 +670,7 @@ onMounted(() => {
               :min="0"
               :max="4"
               :step="1"
+              :disabled="operationBusy"
               active-color="#d66927"
               @change="applyParam(mattressDevice.deviceId, 'mattress_left_heating', localParams.mattressLeftHeating)"
             />
@@ -517,9 +692,21 @@ onMounted(() => {
               :min="0"
               :max="4"
               :step="1"
+              :disabled="operationBusy"
               active-color="#d66927"
               @change="applyParam(mattressDevice.deviceId, 'mattress_right_heating', localParams.mattressRightHeating)"
             />
+            <div class="slider-scale">
+              <span>0 关闭</span>
+              <span>2 舒适</span>
+              <span>4 强加热</span>
+            </div>
+          </div>
+
+          <div class="param-row">
+            <p class="mattress-mode-note">
+              左右承托共用气泵，同一时间仅能运行一侧；启动一侧后，另一侧会自动停止。
+            </p>
           </div>
 
           <div class="param-row">
@@ -529,7 +716,8 @@ onMounted(() => {
                 v-for="mode in ['无', '瑜伽助眠', '智能适配', '智能腰托']"
                 :key="`left-${mode}`"
                 :class="{ active: localParams.mattressLeftMode === mode }"
-                @click="localParams.mattressLeftMode = mode; applyParam(mattressDevice.deviceId, 'mattress_left_mode', mode)"
+                :disabled="operationBusy"
+                @click="setMattressMode('left', mode)"
               >{{ mode }}</button>
             </div>
           </div>
@@ -541,7 +729,8 @@ onMounted(() => {
                 v-for="mode in ['无', '瑜伽助眠', '智能适配', '智能腰托']"
                 :key="`right-${mode}`"
                 :class="{ active: localParams.mattressRightMode === mode }"
-                @click="localParams.mattressRightMode = mode; applyParam(mattressDevice.deviceId, 'mattress_right_mode', mode)"
+                :disabled="operationBusy"
+                @click="setMattressMode('right', mode)"
               >{{ mode }}</button>
             </div>
           </div>
@@ -558,7 +747,9 @@ onMounted(() => {
               {{ sensorDevice.online ? '实时采集正常' : '设备离线' }}
             </span>
           </div>
-          <button class="text-refresh" @click="loadStatus">手动刷新指标</button>
+          <button class="text-refresh" :disabled="operationBusy" @click="loadStatus(true)">
+            {{ loading ? '刷新中…' : '手动刷新指标' }}
+          </button>
         </div>
 
         <div class="sensor-grid">
@@ -613,6 +804,7 @@ onMounted(() => {
   background: #f2f0e9;
   min-height: 100vh;
   padding-bottom: 40px;
+  overflow-x: hidden;
 }
 
 .top-nav {
@@ -656,6 +848,12 @@ onMounted(() => {
   cursor: pointer;
 }
 
+.refresh-btn:disabled,
+.text-refresh:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
 .control-content {
   padding: 14px;
 }
@@ -716,6 +914,11 @@ onMounted(() => {
   transition: all 0.2s;
 }
 
+.scene-btn:disabled {
+  opacity: 0.62;
+  cursor: wait;
+}
+
 .sleep-btn {
   background: rgba(214, 166, 87, 0.2);
   color: #fff;
@@ -747,6 +950,72 @@ onMounted(() => {
   margin-top: 2px;
 }
 
+.operation-status {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 10px;
+  min-height: 38px;
+  padding: 9px 12px;
+  margin: -4px 2px 14px;
+  border: 1px solid rgba(12, 80, 69, 0.12);
+  border-radius: 12px;
+  background: rgba(255, 255, 255, 0.72);
+  color: #536a62;
+  font-size: 11px;
+}
+
+.operation-status.success {
+  border-color: rgba(12, 80, 69, 0.22);
+  background: #f0f8f5;
+  color: #0c5045;
+}
+
+.operation-status.fail {
+  border-color: rgba(176, 72, 56, 0.24);
+  background: #fff4f1;
+  color: #9f3f32;
+}
+
+.operation-message {
+  display: inline-flex;
+  align-items: center;
+  min-width: 0;
+  gap: 7px;
+  font-weight: 600;
+}
+
+.operation-status small {
+  flex: none;
+  color: #86968f;
+  font-size: 10px;
+}
+
+.operation-result {
+  display: inline-grid;
+  place-items: center;
+  width: 17px;
+  height: 17px;
+  border-radius: 50%;
+  background: currentColor;
+  color: #fff;
+  font-size: 11px;
+  font-style: normal;
+}
+
+.operation-spinner {
+  width: 15px;
+  height: 15px;
+  border: 2px solid rgba(12, 80, 69, 0.18);
+  border-top-color: #0c5045;
+  border-radius: 50%;
+  animation: operation-spin 0.75s linear infinite;
+}
+
+@keyframes operation-spin {
+  to { transform: rotate(360deg); }
+}
+
 /* 设备卡片 */
 .device-card {
   background: #ffffff;
@@ -803,13 +1072,13 @@ onMounted(() => {
 .params-body {
   display: flex;
   flex-direction: column;
-  gap: 14px;
+  gap: 18px;
 }
 
 .param-row {
   display: flex;
   flex-direction: column;
-  gap: 6px;
+  position: relative;
 }
 
 .param-row.inline-row {
@@ -822,18 +1091,21 @@ onMounted(() => {
   display: flex;
   justify-content: space-between;
   align-items: center;
+  margin-bottom: 12px;
 }
 
 .p-title {
-  font-size: 12px;
+  font-size: 13px;
   color: #556c64;
   font-weight: 600;
+  line-height: 1.2;
 }
 
 .p-val {
   font-size: 14px;
   color: #0c5045;
   font-weight: 700;
+  line-height: 1.2;
 }
 
 .p-tip {
@@ -841,12 +1113,49 @@ onMounted(() => {
   color: #8fa099;
 }
 
+.mattress-mode-note {
+  margin: 0;
+  padding: 9px 11px;
+  border-radius: 9px;
+  background: #fff7e8;
+  color: #8a6428;
+  font-size: 11px;
+  line-height: 1.55;
+}
+
+/* 滑块样式：左右各预留 10px 间距，使滑块在 0% 和 100% 端点时，外凸的圆形按钮完整居中且不被裁剪 */
+.param-row :deep(.van-slider) {
+  margin: 10px 10px 14px 10px;
+  height: 4px;
+  border-radius: 2px;
+  background-color: #e6eae8;
+  box-sizing: border-box;
+}
+
+.param-row :deep(.van-slider__bar) {
+  height: 4px;
+  border-radius: 2px;
+}
+
+.param-row :deep(.van-slider__button-wrapper) {
+  z-index: 2;
+}
+
+.param-row :deep(.van-slider__button) {
+  width: 20px;
+  height: 20px;
+  border-radius: 50%;
+  background-color: #ffffff;
+  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.16);
+  border: 1px solid rgba(0, 0, 0, 0.05);
+}
+
 .slider-scale {
   display: flex;
   justify-content: space-between;
   font-size: 10px;
   color: #8d9e97;
-  margin-top: 4px;
+  padding: 0 2px;
 }
 
 .btn-group {
@@ -874,6 +1183,12 @@ onMounted(() => {
   font-weight: 700;
 }
 
+.btn-group button:disabled,
+.mini-toggle:disabled {
+  opacity: 0.55;
+  cursor: not-allowed;
+}
+
 .mini-toggle {
   padding: 6px 14px;
   border-radius: 14px;
diff --git a/src/views/ProfileView.vue b/src/views/ProfileView.vue
index d8ff095..68673a7 100644
--- a/src/views/ProfileView.vue
+++ b/src/views/ProfileView.vue
@@ -122,7 +122,7 @@ onMounted(() => {
       <section class="profile-card">
         <div class="card-head">
           <h3>身体基线档案</h3>
-          <button class="edit-btn" @click="router.push('/assessment')">编辑指标</button>
+          <button class="edit-btn" @click="router.replace('/assessment')">编辑指标</button>
         </div>
 
         <div class="metrics-grid">
@@ -180,7 +180,7 @@ onMounted(() => {
             size="small"
             round
             color="#0c5045"
-            @click="router.push('/assessment')"
+            @click="router.replace('/assessment')"
           >
             立即进行健康评估
           </VanButton>
@@ -213,7 +213,7 @@ onMounted(() => {
 
       <!-- 快捷功能入口与操作菜单 -->
       <section class="action-card-menu">
-        <div class="menu-item" @click="router.push('/assessment')">
+        <div class="menu-item" @click="router.replace('/assessment')">
           <div class="menu-left">
             <div class="menu-icon icon-assess">
               <svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="2">