vue TypeError: Cannot read properties of undefined (reading ‘key‘)

我遇到的情况是有一个下拉框，下拉数据是一个数组arrary,然后有两个单选按钮，选择的时候会过滤
data的数据，然后赋值给array,切换的时候报错

TypeError: Cannot read properties of undefined (reading 'key')

解决办法,在nextTick中赋值

this.$nextTick(() => {
        this.array= data;
      });