error while making a feedback form

hii

i am making a feedback form wherein data submittd doesnt get savd in the database...

code for page controller is like... class PagesController < ApplicationController layout "pages" def feedback   @feedback_a = feed.new(params[:feed])   if request.post? and @feedback_a.save     redirect_to :action => 'home', :id => params[:id] end end

i have generated a feed model for this also...