关于vue3 vuex 存取值

<script setup lang="ts">
　　import { useStore } from '@/vuex';
　　import {computed} from 'vue'
　　const store = useStore()
　　const onSubmit = () => {
  　　store.dispatch("incrementAction", 1);
　　}
　　let num = computed(() => store.state.count)
</script>

<template>
  <h1 @click="onSubmit">{{ count }}</h1>
  <h1>{{$store.state.count}}</h1>
</template>