Fanyishang focused on improving codebase hygiene and documentation reliability across several open source projects, including firedancer-io/firedancer, erigontech/erigon, and use-ink/ink. Over two months, they refactored comments, corrected grammar, and updated references in Go and protobuf files, ensuring clarity and consistency without altering core functionality. Their work addressed issues such as outdated URLs in celestiaorg/celestia-app and naming inconsistencies in erigon, reducing onboarding friction and minimizing misinterpretation risks. By emphasizing code review, documentation, and refactoring, Fanyishang established more maintainable standards, demonstrating depth in technical communication and attention to detail across C, Go, and Markdown codebases.