diff --git a/src/pages/dataGovernanceDashboard/views/homeShow/components/uv/UVDevice.js b/src/pages/dataGovernanceDashboard/views/homeShow/components/uv/UVDevice.js
index b30c02b..fa92425 100644
--- a/src/pages/dataGovernanceDashboard/views/homeShow/components/uv/UVDevice.js
+++ b/src/pages/dataGovernanceDashboard/views/homeShow/components/uv/UVDevice.js
@@ -1,10 +1,22 @@
 import req from '/@/api/http/request'
 
+const normalizeDeviceList = (payload) => {
+  if (Array.isArray(payload)) return payload
+  if (Array.isArray(payload?.data)) return payload.data
+  if (Array.isArray(payload?.rows)) return payload.rows
+  if (Array.isArray(payload?.list)) return payload.list
+  if (Array.isArray(payload?.records)) return payload.records
+  if (Array.isArray(payload?.data?.rows)) return payload.data.rows
+  if (Array.isArray(payload?.data?.list)) return payload.data.list
+  if (Array.isArray(payload?.data?.records)) return payload.data.records
+  return []
+}
+
 
 //获取无人设备列表
 export const getUVDeviceList = async () => {
   let res = await req.get(`/uv/api/devices/query/list`)
-  return res.data
+  return normalizeDeviceList(res.data)
 }
 
 //修改无人设备
@@ -25,4 +37,4 @@ export const addUVDeviceList = async (data) => {
 export const removeUVDeviceList = async (id) => {
   let res = await req.delete(`/uv/api/devices/query/remove/${id}`)
   return res.data
-}
\ No newline at end of file
+}
diff --git a/src/pages/dataGovernanceDashboard/views/homeShow/components/uv/UVDevice.vue b/src/pages/dataGovernanceDashboard/views/homeShow/components/uv/UVDevice.vue
index bce3e38..d00ccc7 100644
--- a/src/pages/dataGovernanceDashboard/views/homeShow/components/uv/UVDevice.vue
+++ b/src/pages/dataGovernanceDashboard/views/homeShow/components/uv/UVDevice.vue
@@ -35,15 +35,18 @@
 			<div class="search-wrapper">
 				<input type="text" v-model="searchText" placeholder="按名称搜索设备" class="search-input">
 			</div>
-			<div class="checkbox-wrapper">
-				<input type="checkbox" id="online-only" v-model="showOnlineOnly" class="custom-checkbox">
-				<label for="online-only">只看在线</label>
+			<div class="checkbox-wrapper" @mousedown.stop @click.stop>
+				<input type="checkbox" id="online-only" v-model="showOnlineOnly" class="custom-checkbox" @mousedown.stop @click.stop @change.stop="handleOnlineOnlyChange">
+				<label for="online-only" @mousedown.stop @click.prevent.stop="toggleOnlineOnly">只看在线</label>
 			</div>
 		</div>
 		
 		<!-- 内容列表 -->
 		<div class="ud-device-content">
-			<div v-if="filteredDeviceList.length === 0" class="empty-state">
+			<div v-if="isDeviceListLoading" class="empty-state">
+				<p>加载设备中...</p>
+			</div>
+			<div v-else-if="filteredDeviceList.length === 0" class="empty-state">
 				<p>没有找到匹配的设备</p>
 				<span class="tip">请尝试调整筛选条件</span>
 			</div>
@@ -72,10 +75,11 @@
 						</div>
 						<div class="header-actions">
 							<!-- 预览按钮 (如果满足条件) -->
-							<span v-if="(item.device.online && item.device.flvUrl)"
+							<span v-if="canPreviewDevice(item.device)"
 								class="preview-btn"
 								title="预览直播"
-								@click="handlePreview(item.device)"
+								@mousedown.stop
+								@click.stop="handlePreview(item.device)"
 							>
 								<svg viewBox="0 0 1024 1024" width="20" height="20"><path d="M512 96a416 416 0 1 0 0 832 416 416 0 0 0 0-832z m0 736a320 320 0 1 1 0-640 320 320 0 0 1 0 640z m-160-320a160 160 0 1 0 320 0 160 160 0 0 0-320 0z m160-64a64 64 0 1 1 0 128 64 64 0 0 1 0-128z" fill="currentColor"></path></svg>
 							</span>
@@ -176,7 +180,8 @@ const tabOptions = ref([
 	{ label: "无人机", type: 0 },
 	{ label: "无人车", type: 1 },
 	{ label: "其他", type: 2 },
-]);
+]); 
+
 const activeTab = ref(0);
 const deviceList = ref([
     { "device": { "id": 1, "device_name": "道通龙鱼", "device_type": 0, "device_source": 0, "longitude": 118.099366, "latitude": 32.6895, "online": true, "device_logo": "/3dScreen/img/flyDevices.jpg", "flvUrl": "http://example.com/live/1.flv" }, "props": [ { "prop_name": "高度", "prop_value": "120", "prop_unit": "米" }, { "prop_name": "速度", "prop_value": "15", "prop_unit": "米/秒" }, { "prop_name": "电量", "prop_value": "88", "prop_unit": "%" } ] },
@@ -189,9 +194,70 @@ const deviceList = ref([
 
 
 //页面装载
-onMounted(async () => {
-	deviceList.value = await getUVDeviceList();
-	EventBus.on("WebScoket-Message", handlerSocketMessage)
+const mockDeviceListSnapshot = JSON.stringify(deviceList.value);
+const isDeviceListLoading = ref(false);
+let isRealtimeDeviceMode = false;
+
+const getDeviceItems = () => {
+	return Array.isArray(deviceList.value) ? deviceList.value : [];
+};
+
+const createMockDeviceList = () => {
+	return JSON.parse(mockDeviceListSnapshot);
+};
+
+const startRealtimeDeviceMode = () => {
+	if (isRealtimeDeviceMode) {
+		return;
+	}
+	EventBus.on("WebScoket-Message", handlerSocketMessage);
+	startOfflineTimer();
+	startDevuceUploadTimer();
+	isRealtimeDeviceMode = true;
+};
+
+const stopRealtimeDeviceMode = () => {
+	if (!isRealtimeDeviceMode) {
+		return;
+	}
+	EventBus.off('WebScoket-Message', handlerSocketMessage);
+	stopOfflineTimer();
+	stopDevuceUploadTimer();
+	isRealtimeDeviceMode = false;
+};
+
+const loadApiDeviceList = async () => {
+	isDeviceListLoading.value = true;
+	deviceList.value = [];
+	try {
+		deviceList.value = await getUVDeviceList();
+	} finally {
+		isDeviceListLoading.value = false;
+	}
+};
+
+const syncDeviceListSource = async () => {
+	if (showOnlineOnly.value) {
+		await loadApiDeviceList();
+		startRealtimeDeviceMode();
+		return;
+	}
+	stopRealtimeDeviceMode();
+	isDeviceListLoading.value = false;
+	deviceList.value = createMockDeviceList();
+};
+
+const handleOnlineOnlyChange = async () => {
+	await syncDeviceListSource();
+};
+
+onMounted(() => {
+	if (!showOnlineOnly.value) {
+		deviceList.value = createMockDeviceList();
+		return;
+	}
+	deviceList.value = createMockDeviceList();
+	return;
 	
 	//开启离线检测
 	startOfflineTimer();
@@ -202,9 +268,7 @@ onMounted(async () => {
 
 //页面卸载
 onUnmounted(() => {
-	EventBus.off('WebScoket-Message', handlerSocketMessage)
-	stopOfflineTimer();
-	stopDevuceUploadTimer();
+	stopRealtimeDeviceMode();
 })
 
 
@@ -213,7 +277,7 @@ onUnmounted(() => {
 var devuceUploadTimer = null;
 const startDevuceUploadTimer =()=>{
 	devuceUploadTimer = setInterval(()=>{
-		const onlineDevices = deviceList.value.filter(item => item.device.online === true);
+		const onlineDevices = getDeviceItems().filter(item => item.device.online === true);
 		onlineDevices.forEach(item=>{
 			const { device:deviceInfo, props: deviceProps } = item;			
 			const uploadInfo = {
@@ -241,7 +305,7 @@ var offlineTimer = null;
 const startOfflineTimer = ()=>{
 	offlineTimer = setInterval(()=>{
 		const currentTime = new Date();
-		deviceList.value.forEach(item => {
+		getDeviceItems().forEach(item => {
 		    if (item.device.update_time) {
 		        const updateTime = new Date(item.device.update_time);
 		        if (updateTime < new Date(currentTime - 50000)) {
@@ -473,7 +537,7 @@ const handlerSocketMessage = (message) => {
 
 //找出唯一标识的无人设备
 function findUVDeviceByCode(code,type) {
-    return deviceList.value.find(item => item.device.device_code === code && item.device.device_type === type) || null;
+    return getDeviceItems().find(item => item.device.device_code === code && item.device.device_type === type) || null;
 }
 
 //设置属性值
@@ -500,7 +564,7 @@ function setUVDevicePropsValue(props, data) {
 // --- 2. 计算属性：动态计算当前Tab的设备总数和在线数 ---
 const currentTabCounts = computed(() => {
   // 1. 先根据当前激活的Tab过滤出设备
-  const devicesInCurrentTab = deviceList.value.filter(
+  const devicesInCurrentTab = getDeviceItems().filter(
     item => item.device.device_type === activeTab.value
   );
   // 2. 计算总数
@@ -515,7 +579,7 @@ const currentTabCounts = computed(() => {
 // 计算属性，实现所有筛选逻辑
 const filteredDeviceList = computed(() => {
 	// 1. 先根据Tab、搜索框、复选框进行筛选
-	const filtered = deviceList.value.filter(item => {
+	const filtered = getDeviceItems().filter(item => {
 		const typeMatch = item.device.device_type === activeTab.value;
 		const onlineMatch = !showOnlineOnly.value || (showOnlineOnly.value && item.device.online);
 		const searchMatch = !searchText.value || item.device.device_name.toLowerCase().includes(searchText.value.toLowerCase());
@@ -536,26 +600,58 @@ const getSourceText = (source) => {
 	return sourceMap[source] || "未知";
 };
 
+const toggleOnlineOnly = async () => {
+	showOnlineOnly.value = !showOnlineOnly.value;
+	await syncDeviceListSource();
+};
+
+const getDeviceLiveSn = (device) => {
+	return device?.device_code || device?.device_sn || "";
+};
+
+const getPreviewPlayerSn = (device) => {
+	return getDeviceLiveSn(device) || (device?.id != null ? String(device.id) : "wrc_sn");
+};
+
+const hasDirectPreviewUrl = (device) => {
+	const flvUrl = typeof device?.flvUrl === "string" ? device.flvUrl.trim() : "";
+	return flvUrl !== "" && flvUrl !== "Noneed";
+};
+
+const canPreviewDevice = (device) => {
+	if (!device?.online) {
+		return false;
+	}
+
+	if (hasDirectPreviewUrl(device)) {
+		return true;
+	}
+
+	return Number(device?.device_type) === 0 && device?.flvUrl === "Noneed" && !!getDeviceLiveSn(device);
+};
+
 // 预览按钮点击事件处理
 const handlePreview = (device) => {
+	if (!canPreviewDevice(device)) {
+		return;
+	}
 	//播放flvUrl
-	if(device.flvUrl && device.flvUrl != "Noneed"){
-		openLiveFlv("wrc_sn","wrc",device.flvUrl)
+	if (hasDirectPreviewUrl(device)) {
+		openLiveFlv(getPreviewPlayerSn(device), "wrc", device.flvUrl)
 		return;
 	}
 	
 	//大疆道通无人机直播
-	if(device.device_type === 0 && device.flvUrl === "Noneed"){
-		let deviceSn = device.device_code;
-		let deviceRcSn = device.parent_sn?device.parent_sn:null;		
-		openLive(deviceSn,deviceRcSn,'dock');
+	if (Number(device.device_type) === 0 && device.flvUrl === "Noneed") {
+		const deviceSn = getDeviceLiveSn(device);
+		const deviceRcSn = device.parent_sn || device.device_sn || null;
+		if (!deviceSn) {
+			return;
+		}
+		openLive(deviceSn, deviceRcSn, 'dock');
 	}
 };
 
-
-
-
-//无人机直播
 const liveContent = reactive({
 	data: {
 		showLiveModal: false,
@@ -567,14 +663,17 @@ const liveContent = reactive({
 const openLive = (liveSn, rcSn, liveType) => {
 	liveContent.data.showLiveModal = false
 	nextTick(() => {
-		liveContent.data.showLiveModal = true
 		liveContent.data.liveSn = liveSn
 		liveContent.data.liveType = liveType
 		liveContent.data.rcsn = rcSn
+		liveContent.data.showLiveModal = true
 	})
 }
 const closeLive = () => {
 	liveContent.data.showLiveModal = false
+	liveContent.data.liveSn = ""
+	liveContent.data.liveType = ""
+	liveContent.data.rcsn = ""
 }
 
 
@@ -592,14 +691,17 @@ const liveContentJgWrc = reactive({
 const openLiveFlv = (liveSn,liveType,flvUrl) => {
 	liveContentJgWrc.data.showLiveModal = false
 	nextTick(() => {
-		liveContentJgWrc.data.showLiveModal = true
 		liveContentJgWrc.data.liveSn = liveSn
 		liveContentJgWrc.data.liveType = liveType
 		liveContentJgWrc.data.flvUrl = flvUrl
+		liveContentJgWrc.data.showLiveModal = true
 	})
 }
 const closeLiveFlv = () => {
 	liveContentJgWrc.data.showLiveModal = false
+	liveContentJgWrc.data.liveSn = ""
+	liveContentJgWrc.data.liveType = ""
+	liveContentJgWrc.data.flvUrl = ""
 }
 
 
@@ -662,10 +764,10 @@ const editUVDevice = ref(null);
 
 // 处理保存和修改事件
 const handleSave = async (newDeviceData) => {
-  deviceList.value = await getUVDeviceList();
+  await syncDeviceListSource();
 };
 const handleUpdate = async (newDeviceData) => {
-  deviceList.value = await getUVDeviceList();
+  await syncDeviceListSource();
 };
 
 
@@ -987,4 +1089,4 @@ $danger-color: #ff4d4f; // antd 危险色
     }
   }
 }
-</style>
\ No newline at end of file
+</style>