text: 'use strict';
  /*
  To enable the initializer feature (https://help.aliyun.com/document_detail/156876.html)
  please implement the initializer function as below：
  exports.initializer = (context, callback) => {
    console.log('initializing');
    callback(null, '');
  };
  */
  exports.handler = (event, context, callback) => {
    console.log('hello world');
    callback(null, 'hello world');
  };