Ant Design vue's table table number self-increment-add icon

<span slot="rowIndex" slot-scope="text, record, index">
    <span>{
    
    {
    
     rowIndex(text, record, index) }}</span>
    <img src="~@assets/fileimg/newActivity.png" alt="">
 </span>

<script>
	columns3: [
        {
    
    
          title: '序号',
          width: 120,
          align: 'left',
          key: 'rowIndex',
          dataIndex: 'rowIndex',
          // customRender: (text, record, index) => `${index + 1}`,
          scopedSlots: {
    
     customRender: 'rowIndex' }
        }]
</script>