[Vuejs]-Cannot bind vue store to state

You need to create a new instance of Vuex.Store(store).

Modify this block

new Vue({
    render: h => h(App),
    store: Vuex.Store(store)
}).$mount('#app')

to

new Vue({
    render: h => h(App),
    store: new Vuex.Store(store)
}).$mount('#app')