LoginEngine problem

The LoginEngine plugin of RailsEngines can be show working well in the
video http://rails-engines.rubyforge.org/movies/engines_intro.mov
However it does not work on my pc. I have had the rails 1.0 installed as
well as worked under windows enviroment.
After I have repeated the steps that the video shows,the login action
does not take into effect while not redirect to the home action as the
video showes.The signup action is awailable and the database has been
I have repeated the tutorial steps for three times,but it does not work
at all,any one here has met such a problem?