feat 查看监控多设备互相影响bug修复

Co-authored-by: Copilot <copilot@github.com>

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();