correct user passwd and sent json to front-end

app/views/devise/registrations/edit.html.erb

@@ -1,26 +1,14 @@
-<h2>Edit <%= resource_name.to_s.humanize %></h2>
 
-<%= form_for(resource, :as => resource_name, :url => registration_path(resource_name), :html => { :method => :put, "form-type"=>"ajax_form" }) do |f| %>
-  <%= devise_error_messages! %>
+<%= form_for(resource, :as => resource_name, :url => users_passwd_path(resource_name), :html => { :method => :put, "form-type"=>"ajax_form" }) do |f| %>
+  <div><%= f.submit "Update" %></div>
 
-  <div><%= f.label :email %><br />
-  <%= f.email_field :email %></div>
-
-  <div><%= f.label :password %> <i>(leave blank if you don't want to change it)</i><br />
+  <div><%= f.label :password %>
   <%= f.password_field :password %></div>
 
   <div><%= f.label :password_confirmation %><br />
   <%= f.password_field :password_confirmation %></div>
 
-  <div><%= f.label :current_password %> <i>(we need your current password to confirm your changes)</i><br />
+  <div><%= f.label :current_password %>
   <%= f.password_field :current_password %></div>
 
-  <div><%= f.submit "Update" %></div>
 <% end %>
-
-<!--<h3>Cancel my account</h3>
-
- <p>Unhappy? <%#= link_to "Cancel my account", registration_path(resource_name), :confirm => "Are you sure?", :method => :delete %>.</p>
-
-<%#= link_to "Back", :back %>
- -->