April 2025: Delivered a comprehensive C/C++ Development Documentation Guide for the ustclug/Linux201-docs repository, detailing language characteristics, applicable scope, and a curated set of essential tools and style guides to standardize contributions. The work is captured in commit ec335b6529966f1587eebf94a1710a8a0d04f9c1 with message 'dev/language: C/C++ and develop guide (#51)'. This initiative improves onboarding, consistency, and developer productivity by providing a structured reference for C/C++ development. No major bugs were closed in this repository this month. Overall, the month advanced documentation quality, maintainability, and cross-team collaboration, delivering tangible business value through faster onboarding, higher-quality contributions, and clearer guidance for future language-related work. Technologies/skills demonstrated include documentation authoring, C/C++ language fundamentals, documentation tooling, and disciplined commit practices.