During October 2025, thefsfc contributed to the mhsanaei/3x-ui repository by refining the Russian localization of the login page. They updated the translation resource file, translate.ru_RU.toml, changing the login title from 'Приветствие!' to 'Добро пожаловать!' to better align with the English 'Welcome' and ensure consistent user interface language. This work focused on internationalization and required careful attention to translation accuracy and UI consistency. Using TOML for translation management, thefsfc improved the onboarding experience for Russian-speaking users. The contribution demonstrated a focused application of i18n skills, though the scope was limited to a single feature update.