As the PTL of UUI project, Ran worked hard in optimizing the quality of UUI codes and improve the usability of the project and improving the stability and security of UUI project, improve the test codes coverage, update the HTTPS certification and update to java 11. In the same time, as UUI serves as the key entrance for enabling new cases, she supported the development of

1) E2E slicing usecase (including support the whole flow of E2E slicing usecase, enable the transport of AN, CN and TN., and support the joint-debugging with other projects, review all the committed codes of UUI and UUI-server and merge those codes and provide the related document and release notes to support the of Guilin release).