diff --git a/src/config/map.js b/src/config/map.js
index 7730f03..214a927 100644
--- a/src/config/map.js
+++ b/src/config/map.js
@@ -9,7 +9,7 @@ export default {
   zoom: Number(import.meta.env.APP_MAP_ZOOM) || 5,
 }
 
-/** 天地图影像 + 注记（WGS84 lk 系列） */
+/** 天地图影像/矢量 + 注记（Web 墨卡托 w 系列） */
 export function createTiandituLayerOptions(tk) {
   return {
     img: {
@@ -20,5 +20,27 @@ export function createTiandituLayerOptions(tk) {
       urlTemplate: `https://t{s}.tianditu.gov.cn/cia_w/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cia&STYLE=default&TILEMATRIXSET=w&FORMAT=tiles&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&tk=${tk}`,
       subdomains: ['0', '1', '2', '3', '4', '5', '6', '7'],
     },
+    vec: {
+      urlTemplate: `https://t{s}.tianditu.gov.cn/vec_w/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=vec&STYLE=default&TILEMATRIXSET=w&FORMAT=tiles&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&tk=${tk}`,
+      subdomains: ['0', '1', '2', '3', '4', '5', '6', '7'],
+    },
+    cva: {
+      urlTemplate: `https://t{s}.tianditu.gov.cn/cva_w/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cva&STYLE=default&TILEMATRIXSET=w&FORMAT=tiles&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&tk=${tk}`,
+      subdomains: ['0', '1', '2', '3', '4', '5', '6', '7'],
+    },
+  }
+}
+
+export function createTiandituBaseLayer(maptalks, tk, mode = 'satellite') {
+  const layers = createTiandituLayerOptions(tk)
+  if (mode === 'street') {
+    return new maptalks.GroupTileLayer('tianditu-base', [
+      new maptalks.TileLayer('tdt-vec', layers.vec),
+      new maptalks.TileLayer('tdt-cva', layers.cva),
+    ])
   }
+  return new maptalks.GroupTileLayer('tianditu-base', [
+    new maptalks.TileLayer('tdt-img', layers.img),
+    new maptalks.TileLayer('tdt-cia', layers.cia),
+  ])
 }
diff --git a/src/styles/prototype.css b/src/styles/prototype.css
index 761535c..35d3678 100644
--- a/src/styles/prototype.css
+++ b/src/styles/prototype.css
@@ -175,6 +175,7 @@ svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width:
 .binding-line text { fill: #fff; font-size: 2.4px; text-anchor: middle; paint-order: stroke; stroke: rgba(34,77,111,.88); stroke-width: .8px; }
 .map-view-all { height: 34px; padding: 0 10px; border-left: 1px solid var(--line); color: var(--blue); background: #fff; font-size: 11px; }
 .map-view-all:hover { background: #f3f8fc; }
+.map-scale { position: absolute; z-index: 4; right: 12px; bottom: 14px; color: #fff; font-size: 10px; border-bottom: 2px solid #fff; padding: 0 16px 2px; text-shadow: 0 1px 3px #000; pointer-events: none; }
 @keyframes marker-pulse { 50% { filter: drop-shadow(0 0 6px rgba(204,61,67,.7)); } }
 
 .video-unavailable { color: var(--muted); font-size: 10px; }
diff --git a/src/views/MonitorView/MonitorView.vue b/src/views/MonitorView/MonitorView.vue
index 28d52c7..6a60119 100644
--- a/src/views/MonitorView/MonitorView.vue
+++ b/src/views/MonitorView/MonitorView.vue
@@ -162,11 +162,9 @@
 
     <div class="map-panel">
       <div class="map-toolbar">
-        <span class="map-type active">天地图</span>
-        <button class="icon-button" title="放大" @click="zoomIn"><svg><use href="#i-plus" /></svg></button>
-        <button class="icon-button" title="缩小" @click="zoomOut"><svg><use href="#i-minus" /></svg></button>
-        <button class="icon-button" title="刷新" @click="reload"><svg><use href="#i-refresh" /></svg></button>
-        <button class="map-view-all" type="button" @click="clearSelection">查看全部设备</button>
+        <button class="map-type" type="button" :class="{ active: mapMode === 'satellite' }" @click="setMapMode('satellite')">卫星</button>
+        <button class="map-type" type="button" :class="{ active: mapMode === 'street' }" @click="setMapMode('street')">地图</button>
+        <button class="icon-button" title="查看全部设备" @click="fitAll"><svg><use href="#i-maximize" /></svg></button>
       </div>
 
       <div class="map-legend">
@@ -175,6 +173,7 @@
         <span><i class="red"></i>告警</span>
         <span><i class="gray"></i>离线</span>
       </div>
+      <div class="map-scale">{{ mapScaleText }}</div>
     </div>
 
     <aside class="detail-panel" :class="{ 'drone-selected': isDrone }">
@@ -369,11 +368,12 @@ import { useUiStore } from '@/stores/modules/uiStore'
 import { useUserStore } from '@/stores/modules/userStore'
 import commonRefs from '@/utils/commonRefs'
 import mapHelper from '@/core/mapHelper'
-import mapConfig from '@/config/map'
+import mapConfig, { createTiandituBaseLayer } from '@/config/map'
 import LivePlayer from '@/components/LivePlayer.vue'
 import { getLivePlayURL, heartbeatLive, joinLive, leaveLive } from '@/api/live'
 
 const LAYER_ID = 'monitor-devices'
+const BINDING_LAYER_ID = 'monitor-binding'
 
 const STATUS_COLORS = {
   online: '#21a06a',
@@ -402,6 +402,10 @@ const selectedDockIds = reactive(new Set())
 
 let mapInstance = null
 let deviceLayer = null
+let bindingLayer = null
+let bindingLine = null
+const mapMode = ref('satellite')
+const mapScaleText = ref('2 km')
 let suppressMapClick = false
 const markerById = new Map()
 
@@ -502,6 +506,88 @@ function syncMarkers() {
       markerById.delete(id)
     }
   }
+  syncBindingLine()
+}
+
+
+function updateMapScale() {
+  if (!mapInstance) return
+  const zoom = mapInstance.getZoom()
+  // rough WebMercator meters-per-pixel at equator * 100px bar
+  const meters = (156543.03392 / (2 ** zoom)) * 100
+  if (meters >= 1000) mapScaleText.value = `${Math.round(meters / 1000)} km`
+  else if (meters >= 100) mapScaleText.value = `${Math.round(meters / 10) * 10} m`
+  else mapScaleText.value = `${Math.max(1, Math.round(meters))} m`
+}
+
+function bindingEndpoints() {
+  if (!selectedId.value) return null
+  const asset = devices.asset(selectedId.value)
+  if (!asset) return null
+  let dock = null
+  let drone = null
+  if (asset.type === 'dock') {
+    dock = asset
+    const child = (asset.children || []).map((c) => devices.asset(c.id || c)).find((a) => a && !a.inDock && a.hasCoordinates)
+    drone = child || null
+  } else {
+    drone = asset.inDock ? null : asset
+    dock = asset.parent ? devices.asset(asset.parent) : null
+  }
+  if (!dock?.hasCoordinates || !drone?.hasCoordinates) return null
+  if (drone.inDock) return null
+  const a = [Number(dock.longitude), Number(dock.latitude)]
+  const b = [Number(drone.longitude), Number(drone.latitude)]
+  if (!a.every(Number.isFinite) || !b.every(Number.isFinite)) return null
+  return [a, b]
+}
+
+function syncBindingLine() {
+  if (!bindingLayer) return
+  const ends = bindingEndpoints()
+  if (!ends) {
+    if (bindingLine) {
+      bindingLine.remove()
+      bindingLine = null
+    }
+    return
+  }
+  if (!bindingLine) {
+    bindingLine = new maptalks.LineString(ends, {
+      symbol: {
+        lineColor: 'rgba(117,191,246,0.95)',
+        lineWidth: 2,
+        lineDasharray: [8, 6],
+        lineOpacity: 0.95,
+      },
+      properties: { label: '绑定设备' },
+    })
+    bindingLine.addTo(bindingLayer)
+  } else {
+    bindingLine.setCoordinates(ends)
+  }
+}
+
+function setMapMode(mode) {
+  if (!mapInstance || mapMode.value === mode) {
+    mapMode.value = mode
+    return
+  }
+  const tk = mapConfig.token
+  if (!tk) {
+    ui.toast('缺少天地图 token，无法切换底图')
+    return
+  }
+  mapMode.value = mode
+  mapInstance.setBaseLayer(createTiandituBaseLayer(maptalks, tk, mode))
+}
+
+function fitAll() {
+  if (selectedId.value) {
+    clearSelection()
+    return
+  }
+  fitAllMarkers()
 }
 
 function fitAllMarkers() {
@@ -557,10 +643,17 @@ async function setupMap() {
 
   const existing = map.getLayer(LAYER_ID)
   if (existing) existing.remove()
+  const existingBinding = map.getLayer(BINDING_LAYER_ID)
+  if (existingBinding) existingBinding.remove()
 
   deviceLayer = new maptalks.VectorLayer(LAYER_ID, [], { zIndex: 120, forceRenderOnMoving: true })
   deviceLayer.addTo(map)
+  bindingLayer = new maptalks.VectorLayer(BINDING_LAYER_ID, [], { zIndex: 110, forceRenderOnMoving: true })
+  bindingLayer.addTo(map)
   map.on('click', onMapBlankClick)
+  map.on('zoomend', updateMapScale)
+  map.on('moveend', updateMapScale)
+  updateMapScale()
 
   syncMarkers()
   if (selectedId.value) flyToSelected()
@@ -570,10 +663,16 @@ async function setupMap() {
 function teardownMap() {
   if (mapInstance) {
     mapInstance.off('click', onMapBlankClick)
+    mapInstance.off('zoomend', updateMapScale)
+    mapInstance.off('moveend', updateMapScale)
     const layer = mapInstance.getLayer(LAYER_ID)
     if (layer) layer.remove()
+    const binding = mapInstance.getLayer(BINDING_LAYER_ID)
+    if (binding) binding.remove()
   }
   markerById.clear()
+  bindingLine = null
+  bindingLayer = null
   deviceLayer = null
   mapInstance = null
   commonRefs.clearPendingList('map')