diff --git a/src/auto-imports.d.ts b/src/auto-imports.d.ts
index 5369f69..1959f69 100644
--- a/src/auto-imports.d.ts
+++ b/src/auto-imports.d.ts
@@ -104,6 +104,7 @@ declare global {
   const pausableWatch: typeof import('@vueuse/core')['pausableWatch']
   const provide: typeof import('vue')['provide']
   const provideLocal: typeof import('@vueuse/core')['provideLocal']
+  const publishRtkPoint: typeof import('./composables/useRtkLive')['publishRtkPoint']
   const reactify: typeof import('@vueuse/core')['reactify']
   const reactifyObject: typeof import('@vueuse/core')['reactifyObject']
   const reactive: typeof import('vue')['reactive']
@@ -266,6 +267,7 @@ declare global {
   const useRafFn: typeof import('@vueuse/core')['useRafFn']
   const useRefHistory: typeof import('@vueuse/core')['useRefHistory']
   const useResizeObserver: typeof import('@vueuse/core')['useResizeObserver']
+  const useRtkLive: typeof import('./composables/useRtkLive')['useRtkLive']
   const useSSRWidth: typeof import('@vueuse/core')['useSSRWidth']
   const useScreenOrientation: typeof import('@vueuse/core')['useScreenOrientation']
   const useScreenSafeArea: typeof import('@vueuse/core')['useScreenSafeArea']
@@ -453,6 +455,7 @@ declare module 'vue' {
     readonly pausableWatch: UnwrapRef<typeof import('@vueuse/core')['pausableWatch']>
     readonly provide: UnwrapRef<typeof import('vue')['provide']>
     readonly provideLocal: UnwrapRef<typeof import('@vueuse/core')['provideLocal']>
+    readonly publishRtkPoint: UnwrapRef<typeof import('./composables/useRtkLive')['publishRtkPoint']>
     readonly reactify: UnwrapRef<typeof import('@vueuse/core')['reactify']>
     readonly reactifyObject: UnwrapRef<typeof import('@vueuse/core')['reactifyObject']>
     readonly reactive: UnwrapRef<typeof import('vue')['reactive']>
@@ -615,6 +618,7 @@ declare module 'vue' {
     readonly useRafFn: UnwrapRef<typeof import('@vueuse/core')['useRafFn']>
     readonly useRefHistory: UnwrapRef<typeof import('@vueuse/core')['useRefHistory']>
     readonly useResizeObserver: UnwrapRef<typeof import('@vueuse/core')['useResizeObserver']>
+    readonly useRtkLive: UnwrapRef<typeof import('./composables/useRtkLive')['useRtkLive']>
     readonly useSSRWidth: UnwrapRef<typeof import('@vueuse/core')['useSSRWidth']>
     readonly useScreenOrientation: UnwrapRef<typeof import('@vueuse/core')['useScreenOrientation']>
     readonly useScreenSafeArea: UnwrapRef<typeof import('@vueuse/core')['useScreenSafeArea']>
diff --git a/src/components/FullscreenNav.vue b/src/components/FullscreenNav.vue
index 4154f73..fd76917 100644
--- a/src/components/FullscreenNav.vue
+++ b/src/components/FullscreenNav.vue
@@ -1,22 +1,18 @@
 <script setup lang="ts">
-// RTK 轨迹实时监测 - 状态头部组件
+import { useRtkLive } from '@/composables/useRtkLive'
 
 interface Props {
   deviceName?: string
-  speed?: number
-  frequency?: number
-  amplitude?: number
   rtkFixed?: boolean
 }
 
 withDefaults(defineProps<Props>(), {
   deviceName: '徐工XS65H #01',
-  speed: 4.2,
-  frequency: 28.5,
-  amplitude: 1.86,
   rtkFixed: true,
 })
 
+const { speedTextSpaced, frequencyText, amplitudeText } = useRtkLive()
+
 function handleToggle() {
   uni.switchTab({
     url: '/pages/work/index',
@@ -54,7 +50,7 @@ function handleToggle() {
           车速
         </text>
         <text class="data-value">
-          {{ speed }} km/h
+          {{ speedTextSpaced }}
         </text>
       </view>
       <view class="data-item">
@@ -62,7 +58,7 @@ function handleToggle() {
           振动频率
         </text>
         <text class="data-value">
-          {{ frequency }} HZ
+          {{ frequencyText }}
         </text>
       </view>
       <view class="data-item">
@@ -70,7 +66,7 @@ function handleToggle() {
           振幅
         </text>
         <text class="data-value">
-          {{ amplitude }} mm
+          {{ amplitudeText }}
         </text>
       </view>
       <view class="rtk-status">
diff --git a/src/components/heatmap/canvas.vue b/src/components/heatmap/canvas.vue
index 628451c..f2ea3ee 100644
--- a/src/components/heatmap/canvas.vue
+++ b/src/components/heatmap/canvas.vue
@@ -8,6 +8,7 @@ import type { HeatmapLayerKey } from './heatUtils'
  */
 import type { MockRtkPoint } from '@/mock/rtkTrack'
 import { getCurrentInstance, nextTick, onMounted, onUnmounted, ref, watch } from 'vue'
+import { publishRtkPoint } from '@/composables/useRtkLive'
 import { createMockRtkStream } from '@/mock/rtkTrack'
 import { colorByScore, layerScore } from './heatUtils'
 
@@ -123,6 +124,7 @@ function startStream() {
 
   stream.start((point) => {
     appendPoint(point)
+    publishRtkPoint(point)
   })
 }
 
diff --git a/src/components/home/status.vue b/src/components/home/status.vue
index 95ca031..f3ff728 100644
--- a/src/components/home/status.vue
+++ b/src/components/home/status.vue
@@ -1,7 +1,9 @@
 <script setup lang="ts">
 import { useCurrentProject } from '@/composables/useCurrentProject'
+import { useRtkLive } from '@/composables/useRtkLive'
 
 const { hasCurrentProject } = useCurrentProject()
+const { speedText, tempText } = useRtkLive()
 
 function goToWork() {
   uni.switchTab({
@@ -37,28 +39,12 @@ function goToWork() {
           </view>
         </view>
         <view class="status-params">
-          <!-- <view class="param">
-            <text class="param-label">
-              振动频率
-            </text>
-            <text class="param-value">
-              8939HZ
-            </text>
-          </view>
-          <view class="param">
-            <text class="param-label">
-              振幅
-            </text>
-            <text class="param-value">
-              8939mm
-            </text>
-          </view> -->
           <view class="param">
             <text class="param-label">
               行驶速度
             </text>
             <text class="param-value">
-              3km/h
+              {{ speedText }}
             </text>
           </view>
           <view class="param">
@@ -66,7 +52,7 @@ function goToWork() {
               钢轮温度
             </text>
             <text class="param-value">
-              8939°C
+              {{ tempText }}
             </text>
           </view>
         </view>
diff --git a/src/components/work/dashboard.vue b/src/components/work/dashboard.vue
index 5acced0..b4b5d10 100644
--- a/src/components/work/dashboard.vue
+++ b/src/components/work/dashboard.vue
@@ -1,24 +1,39 @@
 <script setup lang="ts">
 import { computed } from 'vue'
 import { useCurrentProject } from '@/composables/useCurrentProject'
+import { useRtkLive } from '@/composables/useRtkLive'
 
 const { hasCurrentProject } = useCurrentProject()
+const {
+  compactionValue: liveCompaction,
+  speed,
+  compactionText: liveCompactionText,
+  frequencyText: liveFrequencyText,
+} = useRtkLive()
 
-// 压实度 (假数据，后续替换)
-const compactionValue = computed(() => (hasCurrentProject.value ? 25 : 0))
-const compactionText = computed(() => (hasCurrentProject.value ? `${compactionValue.value}%` : '--'))
+const compactionValue = computed(() => {
+  if (!hasCurrentProject.value || liveCompaction.value == null)
+    return 0
+  return Math.round(liveCompaction.value)
+})
+const compactionText = computed(() => (hasCurrentProject.value ? liveCompactionText.value : '--'))
 
-// 车速 (假数据，范围 0-12，中间值 6)
-const speedValue = computed(() => (hasCurrentProject.value ? 4.2 : 0))
-const speedText = computed(() => (hasCurrentProject.value ? `${speedValue.value}KM/H` : '--'))
+const speedValue = computed(() => {
+  if (!hasCurrentProject.value || speed.value == null)
+    return 0
+  return speed.value
+})
+const speedText = computed(() => {
+  if (!hasCurrentProject.value || speed.value == null)
+    return '--'
+  return `${speed.value}KM/H`
+})
 const speedMax = 12
 
-// 指针旋转角度：0km/h → 225°（左下），12km/h → -45°（右下），中间90°（正上）
 const needleRotation = computed(() => 225 - (speedValue.value / speedMax) * 270)
 
-const frequencyText = computed(() => (hasCurrentProject.value ? '8939HZ' : '--'))
+const frequencyText = computed(() => (hasCurrentProject.value ? liveFrequencyText.value : '--'))
 
-// 今日作业概览数据
 const overviewData = computed(() => {
   if (!hasCurrentProject.value) {
     return [
diff --git a/src/components/work/rtkCanvas.vue b/src/components/work/rtkCanvas.vue
index e4bcfb3..06bc12c 100644
--- a/src/components/work/rtkCanvas.vue
+++ b/src/components/work/rtkCanvas.vue
@@ -5,6 +5,7 @@
 import type { MockRtkPoint } from '@/mock/rtkTrack'
 import { getCurrentInstance, nextTick, onMounted, onUnmounted, ref, watch } from 'vue'
 import { useCurrentProject } from '@/composables/useCurrentProject'
+import { publishRtkPoint } from '@/composables/useRtkLive'
 import { createMockRtkStream } from '@/mock/rtkTrack'
 
 const props = withDefaults(defineProps<{
@@ -236,6 +237,7 @@ function startStream() {
 
   stream.start((point, index) => {
     trail.push(point)
+    publishRtkPoint(point)
     finished = index >= stream.points.length - 1
     updateHeightFromTrail()
     nextTick(() => draw())
diff --git a/src/components/work/rtkHeader.vue b/src/components/work/rtkHeader.vue
index ebe7039..8e8557e 100644
--- a/src/components/work/rtkHeader.vue
+++ b/src/components/work/rtkHeader.vue
@@ -1,27 +1,23 @@
 <script setup lang="ts">
 import { computed } from 'vue'
 import { useCurrentProject } from '@/composables/useCurrentProject'
+import { useRtkLive } from '@/composables/useRtkLive'
 
 interface Props {
   deviceName?: string
-  speed?: number
-  frequency?: number
-  amplitude?: number
   rtkFixed?: boolean
 }
 
 const props = withDefaults(defineProps<Props>(), {
   deviceName: '徐工XS65H #01',
-  speed: 4.2,
-  frequency: 28.5,
-  amplitude: 1.86,
   rtkFixed: true,
 })
 
 const { hasCurrentProject } = useCurrentProject()
+const { speedTextSpaced } = useRtkLive()
 
 const displayDeviceName = computed(() => (hasCurrentProject.value ? props.deviceName : '--'))
-const displaySpeed = computed(() => (hasCurrentProject.value ? `${props.speed} km/h` : '--'))
+const displaySpeed = computed(() => (hasCurrentProject.value ? speedTextSpaced.value : '--'))
 const displayStatusText = computed(() => (hasCurrentProject.value ? '实时监测中' : '--'))
 const displayRtkText = computed(() => (hasCurrentProject.value ? 'RTK固定' : '--'))
 
diff --git a/src/composables/useRtkLive.ts b/src/composables/useRtkLive.ts
new file mode 100644
index 0000000..fad63d7
--- /dev/null
+++ b/src/composables/useRtkLive.ts
@@ -0,0 +1,99 @@
+/**
+ * RTK 实时遥测：各页面共享最新轨迹点，随假数据/真数据推送刷新
+ */
+import type { MockRtkPoint } from '@/mock/rtkTrack'
+import { computed, onUnmounted, ref } from 'vue'
+import { createMockRtkStream } from '@/mock/rtkTrack'
+
+const latestPoint = ref<MockRtkPoint | null>(null)
+
+let stream: ReturnType<typeof createMockRtkStream> | null = null
+let subscribers = 0
+
+function startBackgroundStream() {
+  if (stream)
+    return
+  stream = createMockRtkStream({
+    intervalMs: 80,
+    loop: true,
+    rows: 80,
+    pointsPerRow: 40,
+  })
+  stream.start((point) => {
+    latestPoint.value = point
+  })
+}
+
+function stopBackgroundStream() {
+  stream?.stop()
+  stream = null
+}
+
+/** 轨迹画布 / 热力图推送最新点（可与后台流并存，以后者为准） */
+export function publishRtkPoint(point: MockRtkPoint) {
+  latestPoint.value = point
+}
+
+export function useRtkLive() {
+  subscribers += 1
+  startBackgroundStream()
+
+  onUnmounted(() => {
+    subscribers -= 1
+    if (subscribers <= 0)
+      stopBackgroundStream()
+  })
+
+  const speed = computed(() => latestPoint.value?.speed ?? null)
+  const steelWheelTemp = computed(() => latestPoint.value?.steel_wheel_temp ?? null)
+  const compactionValue = computed(() => latestPoint.value?.compaction_value ?? null)
+  const passCount = computed(() => latestPoint.value?.pass_count ?? null)
+  const qualifiedRate = computed(() => latestPoint.value?.qualified_rate ?? null)
+  const heading = computed(() => latestPoint.value?.heading ?? null)
+  const latitude = computed(() => latestPoint.value?.latitude ?? null)
+  const longitude = computed(() => latestPoint.value?.longitude ?? null)
+
+  /** UI 仍展示的振动频率：由速度衍生的演示值 */
+  const vibrationHz = computed(() => {
+    const s = speed.value
+    if (s == null)
+      return null
+    return Number((26 + s * 0.6).toFixed(1))
+  })
+
+  /** UI 仍展示的振幅：由压实度衍生的演示值 */
+  const amplitudeMm = computed(() => {
+    const c = compactionValue.value
+    if (c == null)
+      return null
+    return Number((1.5 + (c - 85) * 0.04).toFixed(2))
+  })
+
+  const speedText = computed(() => (speed.value == null ? '--' : `${speed.value}km/h`))
+  const speedTextSpaced = computed(() => (speed.value == null ? '--' : `${speed.value} km/h`))
+  const tempText = computed(() => (steelWheelTemp.value == null ? '--' : `${steelWheelTemp.value}°C`))
+  const compactionText = computed(() => (compactionValue.value == null ? '--' : `${Math.round(compactionValue.value)}%`))
+  const frequencyText = computed(() => (vibrationHz.value == null ? '--' : `${vibrationHz.value}HZ`))
+  const amplitudeText = computed(() => (amplitudeMm.value == null ? '--' : `${amplitudeMm.value} mm`))
+
+  return {
+    latestPoint,
+    speed,
+    steelWheelTemp,
+    compactionValue,
+    passCount,
+    qualifiedRate,
+    heading,
+    latitude,
+    longitude,
+    vibrationHz,
+    amplitudeMm,
+    speedText,
+    speedTextSpaced,
+    tempText,
+    compactionText,
+    frequencyText,
+    amplitudeText,
+    publishRtkPoint,
+  }
+}