获取素材是为什么 会

errcode: 40007,

  errmsg: 'invalid media_id hint: [qzexua0596ure1]'

{ xml:

   { ToUserName: [ 'gh_a1fa4a51afca' ],

     FromUserName: [ 'omt_gw-lQqAVp4-o1p_lQmxD0vC0' ],

     CreateTime: [ '1463148594' ],

     MsgType: [ 'text' ],

     Content: [ '10' ],

     MsgId: [ '6284175360828689257' ] } }

{ ToUserName: 'gh_a1fa4a51afca',

  FromUserName: 'omt_gw-lQqAVp4-o1p_lQmxD0vC0',

  CreateTime: '1463148594',

  MsgType: 'text',

  Content: '10',

  MsgId: '6284175360828689257' }

https://api.weixin.qq.com/cgi-bin/material/add_material?&access_token=uxXEjVNDKQ

Le-snkIIqyX-OL-cJFzGnAj-Y8vZbzxxKuUfpp9viuasIiY2Fb-Fax5j7tAtrIFdBRLd6vtoqR889m91

5tPoiVpjPKXxTO3fquJ21OhUi6jlHqlLr4NY8QGSDeAJAKWH

https://api.weixin.qq.com/cgi-bin/material/add_news?&access_token=uxXEjVNDKQLe-s

nkIIqyX-OL-cJFzGnAj-Y8vZbzxxKuUfpp9viuasIiY2Fb-Fax5j7tAtrIFdBRLd6vtoqR889m915tPo

iVpjPKXxTO3fquJ21OhUi6jlHqlLr4NY8QGSDeAJAKWH

{ errcode: 40007,

  errmsg: 'invalid media_id hint: [qzexua0596ure1]' }

  TypeError: Cannot read property 'forEach' of undefined

      at Object.exports.reply (C:\Users\liuhui\Desktop\wechat\weixin.js:160:9)

      at next (native)

      at onFulfilled (C:\Users\liuhui\Desktop\wechat\node_modules\co\index.js:65

:19)

      at tryCatcher (C:\Users\liuhui\Desktop\wechat\node_modules\bluebird\js\rel

ease\util.js:16:23)

      at Promise._settlePromiseFromHandler (C:\Users\liuhui\Desktop\wechat\node_

modules\bluebird\js\release\promise.js:502:31)

      at Promise._settlePromise (C:\Users\liuhui\Desktop\wechat\node_modules\blu

ebird\js\release\promise.js:559:18)

      at Promise._settlePromise0 (C:\Users\liuhui\Desktop\wechat\node_modules\bl

uebird\js\release\promise.js:604:10)

      at Promise._settlePromises (C:\Users\liuhui\Desktop\wechat\node_modules\bl

uebird\js\release\promise.js:683:18)

      at Async._drainQueue (C:\Users\liuhui\Desktop\wechat\node_modules\bluebird

\js\release\async.js:138:16)

      at Async._drainQueues (C:\Users\liuhui\Desktop\wechat\node_modules\bluebir

d\js\release\async.js:148:10)

      at Immediate.Async.drainQueues [as _onImmediate] (C:\Users\liuhui\Desktop\

wechat\node_modules\bluebird\js\release\async.js:17:14)

      at tryOnImmediate (timers.js:543:15)

      at processImmediate [as _immediateCallback] (timers.js:523:5)

Wechat.prototype.fetchMaterial = function(mediaId, type, permanent) {
	var that = this
	var fetchUrl = api.temporary.fetch
	
	if(permanent) {
		fetchUrl = api.permanent.fetch
		
	}
	return new Promise(function(resolve, reject){
		that.fetchAccessToken()
			.then(function(data) {
				var url = fetchUrl + '&access_token=' + data.access_token 
				var form = {}
				var options = {method: 'POST', url: url, json: true}
				
				if(permanent) {
					form.media_id = mediaId
					form.access_token = data.access_token
					options.body = form
				}
				else {
					if (type === 'video') {
						url = url.replace('https://', 'http://')
					}
					
					url += '&media_id=' + mediaId
				}
				
				if (type === 'news' || type === 'video') {					
					request(options).then(function(response) {
						var _data = response.body 
						
						if(_data) {
							resolve(_data);
							//console.log(_data)
						}
						else {
							throw new Error('Fetch material fails')
						}
					})
					.catch(function(err) {
						reject(err)
					})
				}
				else {
					resolve(url)     //返回url
				}

			})	
	})
}

else if (content === '10') {
			var picData = yield wechatApi.uploadMaterial('image', path.join(__dirname, '/mei.jpg'),{})
		
			var media = {	
				articles: [{
					title: 'cool',
					thumb_media_id: picData.media_id,
					author: 'lh',
					digest: '没有摘要',
					show_cover_pic: 1,
					content: '没有内容',
					content_source_url: 'http://github.com'
				},{
					title: 'cool2',
					thumb_media_id: picData.media_id,
					author: 'lh',
					digest: '没有摘要',
					show_cover_pic: 1,
					content: '没有内容',
					content_source_url: 'http://github.com'
				}]
			}
			
			data = yield wechatApi.uploadMaterial('news', media, {}) //上传永久素材图文
			data = yield wechatApi.fetchMaterial(data.meida_id, 'news', {}) //拿到详细信息
			
			console.log(data)
			
			var items = data.news_item
			var news = []
			
			items.forEach(function(item) {   //把多图文拼成回复的数组
				news.push({
					title: item.title,
					decription: item.digest,
					picUrl: picData.url,
					url: item.url
				})
			})
			
			reply = news
		}