update:优化设备缓存逻辑

src/components/Signin.vue

@@ -16,7 +16,7 @@ import {
 
 import useStore from "@/store";
 const store = useStore();
-const { updateUser, updateDevice, updateOnline } = store;
+const { updateUser, updateDevice, updateOnline, clearDevice } = store;
 
 const props = defineProps({
   show: {
@@ -107,6 +107,8 @@ async function doLogin() {
       );
       const data = await getDeviceBatteryAPI();
       updateOnline(data.online);
+    } else {
+      clearDevice();
     }
     props.onClose();
   } catch (error) {