Update README.md

Author: LiuJPhys

README.md

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 [![][action-img]][action-url]
 [![][codecov-img]][codecov-url]
 
+[action-img]: https://github.com/QuanEstimation/QuanEstimation.jl/actions/workflows/CI.yml/badge.svg
+[action-url]: https://github.com/QuanEstimation/QuanEstimation.jl/actions
+[codecov-img]: https://codecov.io/gh/QuanEstimation/QuanEstimation.jl/branch/master/graph/badge.svg
+[codecov-url]: https://codecov.io/gh/QuanEstimation/QuanEstimation.jl?branch=test-codecov
+[docs-img]: https://img.shields.io/badge/docs-stable-blue.svg
+[docs-url]: https://quanestimation.github.io/QuanEstimation/
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 QuanEstimation.jl is an open-source toolkit for quantum parameter estimation, which can be used to perform general evaluations of many metrological 
 tools and scheme designs in quantum parameter estimation. 
 
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 [2] Huai-Ming Yu and Jing Liu, QuanEstimation.jl: An open-source Julia framework for quantum parameter estimation, 
 [arXiv: 2405.12066.](https://doi.org/10.48550/arXiv.2405.12066) 
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-[action-url]: https://github.com/QuanEstimation/QuanEstimation.jl/actions
-[codecov-img]: https://codecov.io/gh/QuanEstimation/QuanEstimation.jl/branch/master/graph/badge.svg
-[codecov-url]: https://codecov.io/gh/QuanEstimation/QuanEstimation.jl?branch=test-codecov
-[docs-img]: https://img.shields.io/badge/docs-stable-blue.svg
-[docs-url]: https://quanestimation.github.io/QuanEstimation/