diff --git a/src/api/iot/device/device/index.ts b/src/api/iot/device/device/index.ts
index ab6a09a3..1804628c 100644
--- a/src/api/iot/device/device/index.ts
+++ b/src/api/iot/device/device/index.ts
@@ -5,6 +5,7 @@ export interface DeviceVO {
   id: number // 设备 ID，主键，自增
   deviceName: string // 设备名称
   productId: number // 产品编号
+  productName?: string // 产品名称（只有部分接口返回，例如 getDeviceLocationList）
   productKey: string // 产品标识
   deviceType: number // 设备类型
   nickname: string // 设备备注名称
@@ -114,6 +115,11 @@ export const DeviceApi = {
     return await request.get({ url: `/iot/device/simple-list?`, params: { deviceType, productId } })
   },
 
+  // 获取设备位置列表（用于地图展示）
+  getDeviceLocationList: async () => {
+    return await request.get<DeviceVO[]>({ url: `/iot/device/location-list` })
+  },
+
   // 根据产品编号，获取设备的精简信息列表
   getDeviceListByProductId: async (productId: number) => {
     return await request.get({ url: `/iot/device/simple-list?`, params: { productId } })
diff --git a/src/api/iot/statistics/index.ts b/src/api/iot/statistics/index.ts
index cdcb94d2..30360785 100644
--- a/src/api/iot/statistics/index.ts
+++ b/src/api/iot/statistics/index.ts
@@ -16,18 +16,6 @@ export interface IotStatisticsSummaryRespVO {
   productCategoryDeviceCounts: Record<string, number>
 }
 
-/** 时间戳-数值的键值对类型 */
-interface TimeValueItem {
-  [key: string]: number
-}
-
-/** IoT 消息统计数据类型 */
-export interface IotStatisticsDeviceMessageSummaryRespVO {
-  statType: number
-  upstreamCounts: TimeValueItem[]
-  downstreamCounts: TimeValueItem[]
-}
-
 /** 新的消息统计数据项 */
 export interface IotStatisticsDeviceMessageSummaryByDateRespVO {
   time: string
@@ -41,6 +29,17 @@ export interface IotStatisticsDeviceMessageReqVO {
   times?: string[]
 }
 
+/** 设备位置数据 VO */
+export interface DeviceLocationRespVO {
+  id: number
+  deviceName: string
+  nickname?: string
+  productName?: string
+  state: number
+  longitude: number
+  latitude: number
+}
+
 // IoT 数据统计 API
 export const StatisticsApi = {
   // 查询全局的数据统计
diff --git a/src/components/Map/index.ts b/src/components/Map/index.ts
index 27b9675b..3ac8c7bc 100644
--- a/src/components/Map/index.ts
+++ b/src/components/Map/index.ts
@@ -1,3 +1,4 @@
 import MapDialog from './src/MapDialog.vue'
+export { loadBaiduMapSdk } from './src/utils'
 
 export { MapDialog }
diff --git a/src/components/Map/src/MapDialog.vue b/src/components/Map/src/MapDialog.vue
index 0f93c4d5..9b6ecdce 100644
--- a/src/components/Map/src/MapDialog.vue
+++ b/src/components/Map/src/MapDialog.vue
@@ -57,14 +57,7 @@
 
 <script setup lang="ts">
 import { reactive, ref, nextTick } from 'vue'
-
-// 扩展 Window 接口以包含百度地图 GL API
-declare global {
-  interface Window {
-    BMapGL: any
-    initBaiduMapDialog: () => void
-  }
-}
+import { loadBaiduMapSdk } from './utils'
 
 const emits = defineEmits(['confirm'])
 
@@ -80,8 +73,7 @@ const state = reactive({
   mapAddressOptions: [] as any[], // 地址搜索选项
   mapMarker: null as any, // 地图标记点
   geocoder: null as any, // 地理编码器实例
-  mapContainerReady: false, // 地图容器是否准备好
-  sdkLoaded: false // 百度地图 SDK 是否已加载
+  mapContainerReady: false // 地图容器是否准备好
 })
 
 // 初始经纬度（打开弹窗时传入）
@@ -108,11 +100,9 @@ const handleDialogOpened = async () => {
 
   // 等待下一个 DOM 更新周期，确保地图容器已渲染
   await nextTick()
-  if (!state.sdkLoaded) {
-    loadMapSdk()
-  } else {
-    initMapInstance()
-  }
+  // 加载百度地图 SDK
+  await loadBaiduMapSdk()
+  initMapInstance()
 }
 
 /** 弹窗关闭后清理地图 */
@@ -127,28 +117,6 @@ const handleDialogClosed = () => {
   state.mapContainerReady = false
 }
 
-/** 加载百度地图 SDK */
-const loadMapSdk = () => {
-  // 检查是否已加载百度地图 SDK
-  if (window.BMapGL) {
-    state.sdkLoaded = true
-    initMapInstance()
-    return
-  }
-
-  // 动态创建脚本标签加载百度地图 SDK
-  const script = document.createElement('script')
-  script.src = `https://api.map.baidu.com/api?v=1.0&type=webgl&ak=${
-    import.meta.env.VITE_BAIDU_MAP_KEY
-  }&callback=initBaiduMapDialog`
-  document.body.appendChild(script)
-  // 定义回调函数，SDK 加载完成后调用
-  window.initBaiduMapDialog = () => {
-    state.sdkLoaded = true
-    initMapInstance()
-  }
-}
-
 /** 初始化地图实例 */
 const initMapInstance = () => {
   if (!mapContainerRef.value) {
diff --git a/src/components/Map/src/utils.ts b/src/components/Map/src/utils.ts
new file mode 100644
index 00000000..23fa2936
--- /dev/null
+++ b/src/components/Map/src/utils.ts
@@ -0,0 +1,62 @@
+/**
+ * 百度地图 SDK 加载工具
+ */
+
+// 扩展 Window 接口以包含百度地图 GL API
+declare global {
+  interface Window {
+    BMapGL: any
+  }
+}
+
+// 全局回调名称
+const CALLBACK_NAME = '__BAIDU_MAP_LOAD_CALLBACK__'
+
+// SDK 加载状态
+let loadPromise: Promise<void> | null = null
+
+/**
+ * 加载百度地图 GL SDK
+ * @param timeout 超时时间（毫秒），默认 10000
+ * @returns Promise<void>
+ */
+export const loadBaiduMapSdk = (timeout = 10000): Promise<void> => {
+  // 已加载完成
+  if (window.BMapGL) {
+    return Promise.resolve()
+  }
+
+  // 正在加载中，返回同一个 Promise
+  if (loadPromise) {
+    return loadPromise
+  }
+
+  loadPromise = new Promise((resolve, reject) => {
+    const timeoutId = setTimeout(() => {
+      loadPromise = null
+      reject(new Error('百度地图 SDK 加载超时'))
+    }, timeout)
+
+    // 全局回调
+    ;(window as any)[CALLBACK_NAME] = () => {
+      clearTimeout(timeoutId)
+      delete (window as any)[CALLBACK_NAME]
+      resolve()
+    }
+
+    // 创建 script 标签
+    const script = document.createElement('script')
+    script.src = `https://api.map.baidu.com/api?v=1.0&type=webgl&ak=${
+      import.meta.env.VITE_BAIDU_MAP_KEY
+    }&callback=${CALLBACK_NAME}`
+    script.onerror = () => {
+      clearTimeout(timeoutId)
+      loadPromise = null
+      delete (window as any)[CALLBACK_NAME]
+      reject(new Error('百度地图 SDK 加载失败'))
+    }
+    document.body.appendChild(script)
+  })
+
+  return loadPromise
+}
diff --git a/src/views/iot/home/components/DeviceMapCard.vue b/src/views/iot/home/components/DeviceMapCard.vue
new file mode 100644
index 00000000..6d8631e8
--- /dev/null
+++ b/src/views/iot/home/components/DeviceMapCard.vue
@@ -0,0 +1,187 @@
+<template>
+  <el-card class="chart-card" shadow="never">
+    <template #header>
+      <div class="flex items-center justify-between">
+        <span class="text-base font-medium text-gray-600">设备分布地图</span>
+        <div class="flex items-center gap-4 text-sm">
+          <span v-for="item in stateOptions" :key="item.value" class="flex items-center gap-1">
+            <span
+              class="inline-block w-3 h-3 rounded-full"
+              :style="{ backgroundColor: stateColorMap[item.value] }"
+            ></span>
+            <span class="text-gray-500">{{ item.label }}</span>
+          </span>
+        </div>
+      </div>
+    </template>
+    <div v-if="loading" class="h-[500px] flex justify-center items-center">
+      <el-empty description="加载中..." />
+    </div>
+    <div v-else-if="!hasData" class="h-[500px] flex justify-center items-center">
+      <el-empty description="暂无设备位置数据" />
+    </div>
+    <div v-show="hasData && !loading" ref="mapContainerRef" class="h-[500px] w-full"></div>
+  </el-card>
+</template>
+
+<script lang="ts" setup>
+import { DeviceApi, DeviceVO } from '@/api/iot/device/device'
+import { useRouter } from 'vue-router'
+import { DICT_TYPE, getDictObj, getIntDictOptions } from '@/utils/dict'
+import { DeviceStateEnum } from '@/views/iot/utils/constants'
+import { loadBaiduMapSdk } from '@/components/Map/src/utils'
+
+defineOptions({ name: 'DeviceMapCard' })
+
+const router = useRouter()
+const mapContainerRef = ref<HTMLElement>()
+let mapInstance: any = null
+const loading = ref(true)
+const deviceList = ref<DeviceVO[]>([])
+
+/** 是否有数据 */
+const hasData = computed(() => deviceList.value.length > 0)
+
+/** 状态图例列表（从字典获取） */
+const stateOptions = computed(() => getIntDictOptions(DICT_TYPE.IOT_DEVICE_STATE))
+
+/** 设备状态颜色映射 */
+const stateColorMap: Record<number, string> = {
+  [DeviceStateEnum.INACTIVE]: '#EAB308', // 待激活 - 黄色
+  [DeviceStateEnum.ONLINE]: '#22C55E', // 在线 - 绿色
+  [DeviceStateEnum.OFFLINE]: '#9CA3AF' // 离线 - 灰色
+}
+
+/** 获取设备状态配置（从字典获取） */
+const getStateConfig = (state: number): { name: string; color: string } => {
+  const dict = getDictObj(DICT_TYPE.IOT_DEVICE_STATE, state)
+  return {
+    name: dict?.label || '未知',
+    color: stateColorMap[state] || '#909399'
+  }
+}
+
+/** 创建自定义标记点图标 */
+const createMarkerIcon = (color: string, isOnline: boolean) => {
+  const size = isOnline ? 24 : 20
+  const svg = `
+    <svg xmlns="http://www.w3.org/2000/svg" width="${size}" height="${size}" viewBox="0 0 24 24">
+      <circle cx="12" cy="12" r="8" fill="${color}" stroke="white" stroke-width="2"/>
+      ${isOnline ? `<circle cx="12" cy="12" r="10" fill="none" stroke="${color}" stroke-width="2" opacity="0.5"/>` : ''}
+    </svg>
+  `
+  const blob = new Blob([svg], { type: 'image/svg+xml' })
+  const url = URL.createObjectURL(blob)
+  return new window.BMapGL.Icon(url, new window.BMapGL.Size(size, size), {
+    anchor: new window.BMapGL.Size(size / 2, size / 2)
+  })
+}
+
+/** 初始化地图 */
+const initMap = () => {
+  if (!mapContainerRef.value || !window.BMapGL) {
+    return
+  }
+
+  // 销毁旧实例
+  if (mapInstance) {
+    mapInstance.destroy?.()
+    mapInstance = null
+  }
+
+  // 创建地图实例，默认以中国为中心
+  mapInstance = new window.BMapGL.Map(mapContainerRef.value)
+  mapInstance.centerAndZoom(new window.BMapGL.Point(106, 37.5), 5)
+  mapInstance.enableScrollWheelZoom()
+
+  // 添加控件
+  mapInstance.addControl(new window.BMapGL.ScaleControl())
+  mapInstance.addControl(new window.BMapGL.ZoomControl())
+
+  // 添加设备标记点
+  deviceList.value.forEach((device) => {
+    const config = getStateConfig(device.state)
+    const isOnline = device.state === DeviceStateEnum.ONLINE
+    const point = new window.BMapGL.Point(device.longitude, device.latitude)
+
+    // 创建标记
+    const marker = new window.BMapGL.Marker(point, {
+      icon: createMarkerIcon(config.color, isOnline)
+    })
+
+    // 创建信息窗口内容
+    const infoContent = `
+      <div style="padding: 8px; min-width: 180px;">
+        <div style="font-weight: bold; margin-bottom: 8px; font-size: 14px;">${device.nickname || device.deviceName}</div>
+        <div style="color: #666; font-size: 12px; line-height: 1.8;">
+          <div>产品: ${device.productName || '-'}</div>
+          <div>状态: <span style="color: ${config.color}; font-weight: 500;">${config.name}</span></div>
+        </div>
+        <div style="margin-top: 8px; padding-top: 8px; border-top: 1px solid #eee;">
+          <a href="javascript:void(0)" style="color: #409EFF; font-size: 12px; text-decoration: none;">点击查看详情 →</a>
+        </div>
+      </div>
+    `
+
+    // 点击标记显示信息窗口
+    marker.addEventListener('click', () => {
+      const infoWindow = new window.BMapGL.InfoWindow(infoContent, {
+        width: 220,
+        height: 140,
+        title: ''
+      })
+
+      // 信息窗口打开后绑定链接点击事件
+      infoWindow.addEventListener('open', () => {
+        setTimeout(() => {
+          const link = document.querySelector('.BMap_bubble_content a')
+          if (link) {
+            link.addEventListener('click', (e) => {
+              e.preventDefault()
+              router.push({ name: 'IoTDeviceDetail', params: { id: device.id } })
+            })
+          }
+        }, 100)
+      })
+
+      mapInstance.openInfoWindow(infoWindow, point)
+    })
+
+    mapInstance.addOverlay(marker)
+  })
+}
+
+/** 加载设备数据 */
+const loadDeviceData = async () => {
+  loading.value = true
+  try {
+    deviceList.value = await DeviceApi.getDeviceLocationList()
+  } finally {
+    loading.value = false
+  }
+}
+
+/** 初始化 */
+const init = async () => {
+  await loadDeviceData()
+  if (!hasData.value) {
+    return
+  }
+  await loadBaiduMapSdk()
+  await nextTick()
+  initMap()
+}
+
+/** 组件挂载时初始化 */
+onMounted(() => {
+  init()
+})
+
+/** 组件卸载时销毁地图实例 */
+onUnmounted(() => {
+  if (mapInstance) {
+    mapInstance.destroy?.()
+    mapInstance = null
+  }
+})
+</script>
diff --git a/src/views/iot/home/index.vue b/src/views/iot/home/index.vue
index 3d60acef..6ff2d3b7 100644
--- a/src/views/iot/home/index.vue
+++ b/src/views/iot/home/index.vue
@@ -54,13 +54,18 @@
   </el-row>
 
   <!-- 第三行：消息统计行 -->
-  <el-row>
+  <el-row class="mb-4">
     <el-col :span="24">
       <MessageTrendCard />
     </el-col>
   </el-row>
 
-  <!-- TODO 第四行：地图 -->
+  <!-- 第四行：设备分布地图 -->
+  <el-row>
+    <el-col :span="24">
+      <DeviceMapCard />
+    </el-col>
+  </el-row>
 </template>
 
 <script setup lang="ts" name="Index">
@@ -69,6 +74,7 @@ import ComparisonCard from './components/ComparisonCard.vue'
 import DeviceCountCard from './components/DeviceCountCard.vue'
 import DeviceStateCountCard from './components/DeviceStateCountCard.vue'
 import MessageTrendCard from './components/MessageTrendCard.vue'
+import DeviceMapCard from './components/DeviceMapCard.vue'
 
 /** IoT 首页 */
 defineOptions({ name: 'IoTHome' })
@@ -96,8 +102,6 @@ const getStats = async () => {
   try {
     // 获取基础统计数据
     statsData.value = await StatisticsApi.getStatisticsSummary()
-  } catch (error) {
-    console.error('获取统计数据出错:', error)
   } finally {
     loading.value = false
   }