extends?../layout

block?content
	.container
		.row
			each?item?in?movies
				.col-md-2
					.thumbnail
						a(href="/movie/#{item._id}")
							img(src="#{item.poster}",?alt="#{item.title}")
						.caption
							h3?#{item.title}
							p:?a.btn.btn-primary(href?=?"/movie/#{item._id}",?role?="button")
								觀看預告片

第六行報錯：

TypeError: E:\NodeMovie\imooc\views\pages\index.jade:6
? ?4| .container
? ?5| .row
?> 6| each item in movies
? ?7| .col-md-2
? ?8| .thumbnail
? ?9| a(href="/movie/#{item._id}")

Cannot read property 'length' of undefined
? ?at eval (eval at <anonymous> (E:\NodeMovie\imooc\node_modules\jade\lib\index.js:218:8), <anonymous>:103:31)
? ?at eval (eval at <anonymous> (E:\NodeMovie\imooc\node_modules\jade\lib\index.js:218:8), <anonymous>:224:4)
? ?at eval (eval at <anonymous> (E:\NodeMovie\imooc\node_modules\jade\lib\index.js:218:8), <anonymous>:240:22)
? ?at res (E:\NodeMovie\imooc\node_modules\jade\lib\index.js:219:38)
? ?at Object.exports.renderFile (E:\NodeMovie\imooc\node_modules\jade\lib\index.js:380:38)
? ?at Object.exports.renderFile (E:\NodeMovie\imooc\node_modules\jade\lib\index.js:370:21)
? ?at View.exports.__express [as engine] (E:\NodeMovie\imooc\node_modules\jade\lib\index.js:417:11)
? ?at View.render (E:\NodeMovie\imooc\node_modules\express\lib\view.js:128:8)
? ?at tryRender (E:\NodeMovie\imooc\node_modules\express\lib\application.js:640:10)
? ?at EventEmitter.render (E:\NodeMovie\imooc\node_modules\express\lib\application.js:592:3)

這段明明跟老師的代碼是一樣的啊，前面數組長度我也打印出來了沒有問題呀