fe_supplier_frontend/src/locales/zh-CN.ts

import userQuestion from './zh-CN/userQuestion';
import register from './zh-CN/register';
import login from './zh-CN/login';
import helpCenter from './zh-CN/helpCenter';
import friendLink from './zh-CN/friendLink';
import about from './zh-CN/about';
import common from './zh-CN/common';

export default {
  ...common,
  ...userQuestion,
  ...register,
  ...login,
  ...helpCenter,
  ...friendLink,
  ...about,
};