exports.detail?=?function(req,res){
	var?id?=?req.params.id;
	Movie.findById(id,function(err,movie){
	????Comment
	????????.find({movie:?id})
		.populate('from',?'name')
		.exec(function(err,?comments){
			console.log(comments);??//這里輸出?null，這是什么原因
			res.render('detail',{
			????title:?movie.title,
			????movie:?movie,
			????comments:?comments
			})
		})
	})
}