diff --git a/src/store/modules/video.ts b/src/store/modules/video.ts
index a98bf3b..440669b 100644
--- a/src/store/modules/video.ts
+++ b/src/store/modules/video.ts
@@ -6,7 +6,7 @@ import Hls from 'hls.js';
 export const useVideosStore = defineStore('videos', () => {
   // --- State (状态) ---
   // 相当于 Vuex 中的 state，用 ref 或 reactive 定义
-  const hisUrl = ref();
+  const hisUrl = ref('');
 
   // --- Getters (计算属性) ---
   // 相当于 Vuex 中的 getters，直接用 computed 定义
@@ -14,12 +14,14 @@ export const useVideosStore = defineStore('videos', () => {
   // --- Actions (动作) ---
   // 相当于 Vuex 中的 actions/mutations，直接写同步或异步函数
   async function getVideos(deviceId?: string | number) {
+    hisUrl.value = '';
     try {
       const response = await listDemo(deviceId);
       console.log('获取视频:', response);
-      hisUrl.value = response.data;
+      hisUrl.value = response?.data || '';
     } catch (error) {
       console.error('获取视频失败', error);
+      hisUrl.value = '';
     }
   }
 
diff --git a/src/views/equipmentList/list.vue b/src/views/equipmentList/list.vue
index 553b2d7..85e7651 100644
--- a/src/views/equipmentList/list.vue
+++ b/src/views/equipmentList/list.vue
@@ -399,8 +399,18 @@ const handleSee = async (row?: any) => {
   Object.assign(form.value, res.data);
   dialog1.visible = true;
   dialog1.title = '修改设备';
+
+  destroyHls();
+  monitorVideoUrl.value = '';
   await videosStore.getVideos(row.id);
-  monitorVideoUrl.value = videosStore.hisUrl;
+  monitorVideoUrl.value = videosStore.hisUrl || '';
+
+  if (!monitorVideoUrl.value) {
+    proxy?.$modal.msgWarning('该设备未登录或无法获取直播地址，已停止播放旧画面');
+    initVideoResizeObserver();
+    return;
+  }
+
   // 等待 DOM 更新后初始化 Hls
   await nextTick();
   initHls();
@@ -517,6 +527,7 @@ const destroyVideoResizeObserver = () => {
 const handleMonitorDialogClose = (done: () => void) => {
   // 卸载 Hls 与清理 video
   destroyHls();
+  monitorVideoUrl.value = '';
   destroyVideoResizeObserver();
   resetMonitorDraw();
   done();