refactor: 调整 onsize 事件写法

Author: hooray

src/App.vue

@@ -46,9 +46,9 @@ watch([
 
 onMounted(() => {
   settingsStore.setMode(document.documentElement.clientWidth)
-  window.onresize = () => {
+  window.addEventListener('resize', () => {
     settingsStore.setMode(document.documentElement.clientWidth)
-  }
+  })
   hotkeys('alt+i', () => {
     eventBus.emit('global-system-info-toggle')
   })