Chuangyu Wang enhanced localization quality for the sandboxie-plus/Sandboxie repository, focusing on Chinese translations for Sandboxie Plus and Sandman. Over two months, Wang standardized UI strings, improved error messages, and refined settings descriptions to ensure consistency and clarity across both zh_CN and zh_TW locales. Using TypeScript and leveraging internationalization and localization best practices, Wang also addressed a critical bug affecting Patreon supporter certificate URLs, resolving a navigation issue for Chinese users. The work included targeted translation updates and minor UI adjustments, demonstrating careful attention to cross-component consistency and reliability in multilingual user experiences within a complex codebase.