announcement path error

app/controllers/pages_controller.rb

@@ -37,7 +37,7 @@ class PagesController < ApplicationController
    protected
    
    def get_item
-      module_app = ModuleApp.first(:conditions => {:title => params[:app_name]})
+      module_app = ModuleApp.first(:conditions => {:key => params[:app_name]})
       @item = Item.first(:conditions => {:module_app_id => module_app.id, :app_frontend_url => params[:app_action]})
    end