远***：
用伪元素解决了
.usee{
width:120rpx;
height:120rpx;
border-radius: 50%;
box-sizing: border-box;
position: relative;
z-index: -1;
}


.usee::before{
content: '';
display: block;
width:120rpx;
height: 120rpx;
border:1px solid red;
box-sizing: border-box;
position: absolute;
left: 0;
top: 0;
border-radius: 50%;
z-index: 100;
}