jade模板解析问题，异常解析，找不到问题。。。

layout.jade
enter code here doctype 5 html head meta(http-equiv='content-type', content='text/html;charset=utf-8') title #{title} link(rel='stylesheet', href='/stylesheets/style.css') script(type='text/javascript', src='/javascripts/jquery-1.9.1.js') block headscript body block content

reg.jade

enter code here

extends layout

block content form(method='post') input(name='userName',type='text') input(name='passWord',type='text') input(type='submit',value='提交')

但是浏览器解析后的代码是

enter code here

求指教。。。。