uni-app给uni-list设置圆角边框

<uni-list>
  <uni-list-item :show-extra-icon="true" :extra-icon="{color: '#FDC21E',size: '22',type: 'wallet'}"
    clickable title="第一项" :show-arrow="true"></uni-list-item>
  <uni-list-item :show-extra-icon="true" :extra-icon="{color: '#34D194',size: '22',type: 'bars'}"
    clickable title="第二项" :show-arrow="true"></uni-list-item>
  <uni-list-item :show-extra-icon="true" :extra-icon="{color: '#5ACDFE',size: '22',type: 'calendar'}"
    clickable title="第三项" :show-arrow="true"></uni-list-item>
</uni-list>

.uni-list-item{
    border-radius: 16rpx;
 }