[DOC] Update README.md

[ZHUI]

PR types

Others

PR changes

Others

Description

[DOC] Update README.md of UC

[paddle-bot]

Thanks for your contribution!

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.80%. Comparing base (2d950b9) to head (420b801).
Report is 266 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #9668      +/-   ##
===========================================
- Coverage    53.04%   52.80%   -0.25%     
===========================================
  Files          718      718              
  Lines       112263   112241      -22     
===========================================
- Hits         59546    59264     -282     
- Misses       52717    52977     +260     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[DesmonDay]

LGTM