Fix bug.

config/routes.rb

@@ -1,6 +1,7 @@
 Rails.application.routes.draw do
 require 'fileutils'
 get 'ad_banners/widget'
+if ENV['worker_num']=='0' && File.basename($0) != 'rake' && !Rails.const_defined?('Console')
   Thread.new do
     ad_images = AdImage.where(:video_file.ne=>nil,:video_snapshot=>nil).to_a
     ad_images.each do |ad_image|
@@ -10,6 +11,7 @@ Thread.new do
       ad_image.save
     end
   end
+end
 locales = Site.find_by(site_active: true).in_use_locales rescue I18n.available_locales
   
   scope "(:locale)", locale: Regexp.new(locales.join("|")) do