During October 2024, Liu Zhi focused on improving code quality in the jitsi/excalidraw repository by addressing a specific HTML issue. He identified and removed a redundant meta description tag from the excalidraw-app/index.html file, streamlining the HTML structure without altering application behavior or user experience. This targeted bug fix reduced technical debt and enhanced maintainability, reflecting careful attention to frontend development best practices. Working primarily with HTML, Liu Zhi ensured that the cleanup did not introduce regressions, maintaining stability while improving code clarity. Although no new features were added, his contribution demonstrated a methodical approach to codebase hygiene and reliability.