diff --git a/src/components/device/device-tree/device-tree.vue b/src/components/device/device-tree/device-tree.vue
index aa0b655..80ecd32 100644
--- a/src/components/device/device-tree/device-tree.vue
+++ b/src/components/device/device-tree/device-tree.vue
@@ -439,7 +439,7 @@ const onLocateDeviceTree = async () => {
   activeTab.value = deviceType;
 
   // 展开选择的车站
-  expandedKeys.value = [selectedStationCode.value];
+  expandedKeys.value.push(selectedStationCode.value);
 
   // 当选择录像机时，如果不是集群，进一步展开该录像机所在的集群节点
   if (deviceType === DEVICE_TYPE_LITERALS.ndmNvr) {