fix error

lib/feeds/engine.rb

@@ -5,7 +5,7 @@ module Feeds
         begin
           require File.expand_path('../../../app/models/site_feed', __FILE__)
           require File.expand_path('../../../app/models/site_feed_annc', __FILE__)
-          if defined?(SiteFeed) && defined?(SiteFeedAnnc)
+          if ENV['worker_num']=='0' && File.basename($0) != 'rake' && !Rails.const_defined?('Console') && defined?(SiteFeed) && defined?(SiteFeedAnnc)
             SiteFeed.each do |site_feed|
               tmp = SiteFeedAnnc.where(feed_id: site_feed.id).first
               if site_feed.disabled != true