text: /*resolve 回来另外一个参数*/
  
  var promise1 = new Promise((resolve, reject) => {
  	// resolve另外一个 promise 对象，会得到这个promise 对象 传递出来的值
  	setTimeout(resolve(resolvePromise('resolve1').then(info => {
  		console.log(info)
  		return 'resolved by promise from resolvePromise function'
  	})), 1000)
  })
  
  function resolvePromise (info) {
  	console.log(info)
  	return new Promise((resolve, reject) => {
  		resolve('resolve in another promise')
  	})
  }
  
  promise1.then(info => {
  	console.log(info)
  }).catch((err) => {
  	console.log('err catch')
  })
  