SOURCE

var app = new Vue({


    data: function(){
      return {
        checked: false
      }
    }

}).$mount('#app');

<div id="app">

<vue-checkbox class="custom-check" v-model="checked">Option</vue-checkbox>
 
</div>

.custom-check .vue-checkbox__inner {
    background: transparent;
}

.custom-check .vue-checkbox__inner::after {
    border: 0
}

.custom-check .vue-checkbox__inner {
    background: url('https://t8.baidu.com/it/u=355374951,4156589792&fm=218&app=126&size=f242,150&n=0&f=JPEG&fmt=auto?s=FF3E04C7CC5297ED0E8EF0200300A019&sec=1698512400&t=a69b6b5762cf060b5b7748f62733af98')
}


.custom-check .is-checked .vue-checkbox__inner {
    background: url('https://img2.baidu.com/it/u=861863691,2776527252&fm=253&app=138&size=w931&n=0&f=JPEG&fmt=auto?sec=1698512400&t=0d31608b899d99b7572b30b6ba0a9a68')
}

.custom-check .is-disabled .vue-checkbox__inner {
    background: url('https://fc1tn.baidu.com/it/u=2650105394,249255023&fm=202&mola=new&crop=v1')
}


.custom-check .is-disabled.is-checked .vue-checkbox__inner {
    background: url('https://t7.baidu.com/it/u=479533799,1082445056&fm=3035&app=3035&size=f242,150&n=0&f=JPEG&fmt=auto?s=D93E0FD00A8809476418FA200300E0D4&sec=1698512400&t=ee83fab4c33b28ab90552e184ae3d7ea')
}