iview复选框设置选中也不勾选

Question

<Checkbox checked.sync="true" @on-change='anonymous'>匿名</Checkbox>

设置选中也不勾选，求教

Answer 1

<Checkbox v-model="single" @on-change='anonymous'>匿名</Checkbox>

Answer 2

<Checkbox v-model="disabledSingle" disabled>Checkbox</Checkbox>

data() {
    return {
        disabledSingle: true
    }
}