diff --git a/src/stores/transferData.ts b/src/stores/transferData.ts
index 5364f1d..02af979 100644
--- a/src/stores/transferData.ts
+++ b/src/stores/transferData.ts
@@ -4,6 +4,7 @@ import type { IOnlineDevice, IUpFirmwareStatus } from '@/views/stationData/type'
 import ZMQWorker from '@/composables/useZMQJsonWorker'
 import { getSubTopic, type SubMsgData } from '@/utils/zmq'
 import { getDeviceTopic } from '@/views/stationData/utils'
+import dayjs from "dayjs";
 
 export const useTransferDataStore = defineStore('transfer', () => {
   const subDevices = getSubTopic('client', 'status', 'transfer')
@@ -25,14 +26,17 @@ export const useTransferDataStore = defineStore('transfer', () => {
   const checkDeviceStatusInterval = ref<NodeJS.Timeout>()
 
   function checkDeviceStatus() {
-    checkDeviceStatusInterval.value = setInterval(() => {
-      const now = Date.now();
-      devicesMap.forEach((device: IOnlineDevice, sn) => {
-        if (now - device.lastUpdated > 5500) {
-          device.status = '离线';
-        }
-      });
-    }, 1000);
+    checkDeviceStatusInterval.value = setInterval(checkDeviceStatusFn, 100);
+  }
+
+  const checkDeviceStatusFn = () => {
+    const now = Date.now();
+    devicesMap.forEach((device: IOnlineDevice, sn) => {
+      // console.log(device, dayjs(now).format('HH:mm:ss'), dayjs(device.lastUpdated).format('HH:mm:ss'), now - device.lastUpdated)
+      if (now - device.lastUpdated > 5500) {
+        device.status = '离线';
+      }
+    });
   }
 
   function formatSizeFromKB(num: number): string {
@@ -88,6 +92,7 @@ export const useTransferDataStore = defineStore('transfer', () => {
   onMounted(() => {
     worker.subscribe(getDeviceTopic, getSubDevicesCb)
     checkDeviceStatus()
+    document.addEventListener('visibilitychange', checkDeviceStatusFn)
   })
 
   const route = useRoute()
@@ -95,6 +100,7 @@ export const useTransferDataStore = defineStore('transfer', () => {
   watch(() => route.path, (val) => {
     if (!['/station/data-transfer', '/station'].includes(val)) {
       clearInterval(checkDeviceStatusInterval.value)
+      document.removeEventListener('visibilitychange', checkDeviceStatusFn)
       worker.unsubscribe(subDevices)
     }
   })