启动时候不报错，浏览器访问的时候报错，layout.jade加载出来了，但是index.jade和css，js文件都没加载出来，报500错误，`
Cannot read property 'lazyrouter' of undefined
TypeError: Cannot read property 'lazyrouter' of undefined
at route (C:\Users\Dell\Desktop\express\microblog\node_modules\express\lib\application.js:254:7)
at Layer.handle [as handle_request] (C:\Users\Dell\Desktop\express\microblog\node_modules\express\lib\router\layer.js:95:5)
at trim_prefix (C:\Users\Dell\Desktop\express\microblog\node_modules\express\lib\router\index.js:312:13)
at C:\Users\Dell\Desktop\express\microblog\node_modules\express\lib\router\index.js:280:7
at Function.process_params (C:\Users\Dell\Desktop\express\microblog\node_modules\express\lib\router\index.js:330:12)
at next (C:\Users\Dell\Desktop\express\microblog\node_modules\express\lib\router\index.js:271:10)
at C:\Users\Dell\Desktop\express\microblog\node_modules\express-session\index.js:489:7
at C:\Users\Dell\Desktop\express\microblog\node_modules\connect-mongo\lib\connect-mongo.js:306:11
at handleCallback (C:\Users\Dell\Desktop\express\microblog\node_modules\mongodb\lib\utils.js:96:12)
at C:\Users\Dell\Desktop\express\microblog\node_modules\mongodb\lib\collection.js:1335:5`
静态文件路径
app.use(express.static(__dirname+'/public'));
页面引用路径
link(type='text/css',rel='stylesheet', href='/stylesheets/bootstrap.css')
link(type='text/css',rel='stylesheet', href='/stylesheets/bootstrap-responsive.css')
script(src="/javascripts/jquery.js")
script(src="/javascripts/bootstrap.js")