react+antd表格为什么变成这样？

表格写完之后在页面上变成这样了，要怎么改？

<Table
          size='middle'
          bordered
          loading={loading}
          dataSource={list}
          pagination={false}
        >
          <Column width={'15%'} title="船舶种类" colSpan={2} align='center' render={(text, row, index) => {
            const obj = {
              children: '内河集装箱船舶',
              props: {
                rowSpan: 0,
              }
            };
            if (index === 0) {
              obj.props.rowSpan = 1;
              obj.props.colSpan = 2;
            }
            if (index === 1) {
              obj.children = '内河滚装船舶';
              obj.props.rowSpan = 1;
              obj.props.colSpan = 2;
            }
            if (index === 2) {
              obj.children = '内河干散货船舶';
              obj.props.rowSpan = 2;
            }
            if (index === 3) {
              obj.children = '内河干散货船舶';
              obj.props.rowSpan = 0;
            }
            if (index === 4) {
              obj.children = '内河多用途船舶';
              obj.props.rowSpan = 2;
            }
            if (index === 5) {
              obj.children = '内河多用途船舶';
              obj.props.rowSpan = 0;
            }
            if (index === 6) {
              obj.children = '江海直达船舶';
              obj.props.rowSpan = 1;
              obj.props.colSpan = 2;
            }
            if (index === 7) {
              obj.children = '海进江船舶';
              obj.props.rowSpan = 1;
              obj.props.colSpan = 2;
            }
            if (index === 8) {
              obj.children = '其他运输船舶';
              obj.props.rowSpan = 1;
              obj.props.colSpan = 2;
            }
            if (index === 9) {
              obj.children = '合计';
              obj.props.rowSpan = 1;
              obj.props.colSpan = 2;
            }
            return obj;
          }} />
          <Column width={'15%'} title="船舶类型" colSpan={0} align='center' render={(text, row, index) => {
            const obj = {
              children: '2000载重吨以上',
              props: {
                rowSpan: 0,
              }
            }
            if (index === 2 || index === 4 ) {
              obj.children = '2000载重吨以上';
              obj.props.rowSpan = 1;
            }
            if (index === 3 || index === 5 ) {
              obj.children = '其他';
              obj.props.rowSpan = 1;
            }
            return obj;
          }} />
          <ColumnGroup width={'70%'} title='具备受电设施船舶'>
            <ColumnGroup title='本月完成改造'>
              <Column title='低压' align='center' dataIndex='shwsJs' />
              <Column title='高压' align='center' dataIndex='shwsZy' />
            </ColumnGroup>
            <ColumnGroup title='具备受电设施船舶数(艘)'>
              <Column title='低压' align='center' dataIndex='shwsJs' />
              <Column title='高压' align='center' dataIndex='shwsZy' />
            </ColumnGroup>
          </ColumnGroup>

        </Table>

没有值