diff --git a/app/models/bulletin_file.rb b/app/models/bulletin_file.rb
index 811d1b7..01fa4fb 100644
--- a/app/models/bulletin_file.rb
+++ b/app/models/bulletin_file.rb
@@ -11,10 +11,12 @@ class BulletinFile
   field :choose_lang, :type => Array, :default => ["en","zh_tw"]
   field :privacy_type, type: String, default: 'public'
   belongs_to :bulletin
-  scope :to_fronted, ->(locale=I18n.locale){ self.map{|file| file.to_fronted(locale)}.compact rescue [] }
+  def self.to_fronted(locale=I18n.locale)
+    self.all.map{|file| file.to_fronted(locale)}.compact rescue []
+  end
   def to_fronted(locale=I18n.locale)
     file = self
-    file.enabled_for?(locale) && !file[:file].blank? ? { "file_url" =>  "/xhr/announcements/file/#{file.id}/#{file['file']}" + "\" title=\"#{file.file_title}", 
+    (file.enabled_for?(locale) && !file[:file].blank?) ? { "file_url" =>  "/xhr/announcements/file/#{file.id}/#{file['file']}" + "\" title=\"#{file.file_title}",
       "file_title" => (file.title.blank? ? URI.unescape(File.basename(file.file.path)) : file.title rescue '') 
     } : nil rescue nil
   end