// config/plugin.js
exports.validate = {
  enable: true,
  package: 'egg-async-validator',
};

// app/controller/home.js
exports.index = async () => {
  await this.validate({ id: 'id' }); // will throw if invalid
  // or
  const errors = await this.validator.validate({ id: 'id' }, this.request.body);
};