next.config.js

const withNextra = require('nextra')({
  theme: 'nextra-theme-docs',
  themeConfig: './theme.config.tsx',
})

module.exports = withNextra({
  i18n: {
    locales: ['zh-CN', 'en-US'],
    defaultLocale: 'en-US',
    localeDetection: false,
  },
  async headers() {
    return [
      {
        // matching all API routes
        source: "/api/:path*",
        headers: [
          { key: "Access-Control-Allow-Credentials", value: "true" },
          { key: "Access-Control-Allow-Origin", value: "*" },
          { key: "Access-Control-Allow-Methods", value: "GET,OPTIONS,PATCH,DELETE,POST,PUT" },
          { key: "Access-Control-Allow-Headers", value: "X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version" },
        ]
      }
    ]
  }
})