vue-button设置按钮是否可点击状态

<template>
  <v-app>
    <v-main>
      <v-btn
          class="error"
          text
          @click="addSave"
          :disabled="langAbbrs">保存
      </v-btn>
    </v-main>
  </v-app>
</template>

<script>
export default {
  data() {
    return {
    };
  },
  computed: {
    langAbbrs() {
      return false;  //true  false
    },
  },
  methods:{
    addSave(){
      console.log('click点击了保存按钮')
    }
  }
};
</script>