I want to thank you for sparing a time to improve this project! Here are some guidelines for contributing：
If you found a bug, please ensure it doesn't appear in other existing issues. After that, create a new issues with template Bug Report and follow it's illustration to describe the situation.
If you are willing to improve some of the existing code, such as performance optimization, code simplification, or even correct spelling errors of variable names, please submit a new PR to help us.
Basically, it is recommended to first submit a Feature Request issue to discuss whether your idea fits the project. Once the discussion is complete and the request is approved, fork this project, complete the development of new features, and submit a Pull Request. What's more, the PR should be merged into master branch without conflict.
🎉Your volunteering will make the open source world more beautiful, thanks again!🎉