• 设置不生效的原因可能有：
• 1.style标签里没加scoped <style scoped></style>
• 2.本地图片路径指向错误
• 3.自定义图片长宽没设置
• 4.deep深度选择器使用错误，vue3用:deep()

<el-tooltip content="重新匹配" placement="top"><el-button link type="primary" icon="chongxinpipei"></el-button>
</el-tooltip>

<style scoped>
:deep(chongxinpipei) {background: url('../../../assets/images/material/chongxinpipei.png') center no-repeat;background-size: cover;width: 14px;height: 14px;
}
</style>