如何解决vue.js中文乱码问题

response.setHeader("Content-type", "text/html;charset=UTF-8");

server.get('*',function(request,response){

    response.setHeader("Content-type", "text/html;charset=UTF-8"); 

    var stream = renderer.renderToStream(require('./assets/app')())

    response.write(preAppHTML)

    stream.on('data',function(chunk){

        response.write(chunk)

    })

    stream.on('end',function(){

        response.end(postAppHTML)

    })

    stream.on('error',function(error){

        console.log(error)

        return response.status(500).send('Server Error')

    })

})