Delivered a complete Chinese (Simplified) localization for the yuwata/systemd repository, enabling native-language support for zh_CN users across all 264 project strings. The work involved end-to-end internationalization and localization processes, including translation using PO files and collaborative workflow via Weblate. All changes were validated against the project build to ensure stability and accuracy, with no critical bugs introduced. This feature expanded accessibility for Chinese-speaking users and established a foundation for future locale support. The approach demonstrated proficiency in translation workflows, quality assurance, and commit traceability, contributing to broader international adoption and ongoing localization maintenance for the project.