🦜🦜vue-修改数组中某个对象的属性不更新

data() {
  return {
    certificateData: [
      {
        name: 'xxx',
        type: '环境证书',
        imgs:[{url: 'xxxx.png']
      },
      {
        name: 'yyy',
        type: '安全证书',
        imgs:[{url: 'yyy.png'}]
      }
    ]
}

/// index为索引
this.certificateData[index].imgs = [url: 'osodo.png'];

this.$set(this.certificateData, index, {
  ...this.certificateData[index],
  buff: 'bits'
})