src/i18n/index.ts

import i18n from 'i18next';
import { initReactI18next } from 'react-i18next';
import LanguageDetector from 'i18next-browser-languagedetector';

import enTranslation from '../locales/en/translation.json';
import zhTranslation from '../locales/zh/translation.json';

i18n
  .use(LanguageDetector)
  .use(initReactI18next)
  .init({
    resources: {
      en: { translation: enTranslation },
      zh: { translation: zhTranslation },
    },
    lng: 'zh', // 强制默认中文
    fallbackLng: 'zh',
    interpolation: {
      escapeValue: false,
    },
  });

export default i18n;