The version of 12.13.1 has no export TabPanel, but the readme document did not update in usage section. （12.13.1版本未导出Tabpanel，但文档里用法部分却没更新）

[MoreLightDo]

At usage section in readme, users can import TabPanel from rc-tabs, but there is not “export TabPanel” in source code. If users import TabPanel, they will get undefined!