--- a
+++ b/docs/index.rst
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+Welcome to MMAction2's documentation!
+=====================================
+
+You can switch between Chinese and English documents in the lower-left corner of the layout.
+
+您可以在页面左下角切换文档语言。
+
+.. toctree::
+   :maxdepth: 2
+
+   install.md
+   getting_started.md
+   demo.md
+   benchmark.md
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Datasets
+
+   datasets.md
+   data_preparation.md
+   supported_datasets.md
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Model Zoo
+
+   modelzoo.md
+   recognition_models.md
+   localization_models.md
+   detection_models.md
+   skeleton_models.md
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Tutorials
+
+   tutorials/1_config.md
+   tutorials/2_finetune.md
+   tutorials/3_new_dataset.md
+   tutorials/4_data_pipeline.md
+   tutorials/5_new_modules.md
+   tutorials/6_export_model.md
+   tutorials/7_customize_runtime.md
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Useful Tools and Scripts
+
+   useful_tools.md
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Notes
+
+   changelog.md
+   faq.md
+
+.. toctree::
+   :caption: API Reference
+
+   api.rst
+
+.. toctree::
+   :caption: Switch Language
+
+   switch_language.md
+
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`search`