Update README.md

Author: FeatherRed

README.md

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 [![NeurIPS](https://img.shields.io/badge/NeurIPS-2023-b31b1b.svg)]([https://proceedings.neurips.cc/paper_files/paper/2023/hash/232eee8ef411a0a316efa298d7be3c2b-Abstract-Datasets_and_Benchmarks.html]) **MetaBox-v1 has been accepted as an oral presentation at NeurIPS 2023!**
 
-😀[Online Documentation](https://metaboxdoc.readthedocs.io/en/latest/index.html) is here, you can get started quickly！😀
+😀[Online Documentation](https://metaboxdoc.readthedocs.io/en/stable/) is here, you can get started quickly！😀
 
 <div align="center">
 <img src="https://github.com/MetaEvo/MetaBox/blob/v2.0.0/docs/source/_static/MetaBOX-features.png" width="99%">