如何在quasar对话框中设置取消的默认按钮

import { QBtn, QDialog } from 'quasar'

<template>
  <q-dialog v-model="dialogVisible">
    <q-card>
      <q-card-section>
        <q-btn label="取消" @click="cancel" />
      </q-card-section>
    </q-card>
  </q-dialog>
</template>

export default {
  data() {
    return {
      dialogVisible: false
    }
  },
  methods: {
    cancel() {
      // 取消按钮的行为
      this.dialogVisible = false
    }
  }
}