Update README.md

Author: tswsxk

README.md

@@ -1,6 +1,7 @@
 # XKT
 
 [![PyPI](https://img.shields.io/pypi/v/XKT.svg)](https://pypi.python.org/pypi/XKT)
+[![test](https://github.com/tswsxk/XKT/actions/workflows/python-test.yml/badge.svg?branch=master)](https://github.com/tswsxk/XKT/actions/workflows/python-test.yml)
 [![codecov](https://codecov.io/gh/tswsxk/XKT/branch/master/graph/badge.svg)](https://codecov.io/gh/tswsxk/XKT)
 [![Download](https://img.shields.io/pypi/dm/XKT.svg?style=flat)](https://pypi.python.org/pypi/XKT)
 [![License](https://img.shields.io/github/license/bigdata-ustc/XKT)](LICENSE)