diff --git a/app/controllers/dmsf_controller.rb b/app/controllers/dmsf_controller.rb
index c31daf07..a758b050 100644
--- a/app/controllers/dmsf_controller.rb
+++ b/app/controllers/dmsf_controller.rb
@@ -34,7 +34,6 @@ class DmsfController < ApplicationController
   skip_before_action :verify_authenticity_token,  if: -> { request.headers['HTTP_X_REDMINE_API_KEY'].present? }
 
   helper :all
-  #helper :dmsf
 
   def expand_folder
     @tree_view = true
diff --git a/app/models/dmsf_file.rb b/app/models/dmsf_file.rb
index 9eff3823..69f3006c 100644
--- a/app/models/dmsf_file.rb
+++ b/app/models/dmsf_file.rb
@@ -584,7 +584,6 @@ class DmsfFile < ActiveRecord::Base
     # Url
     if columns.include?(l(:label_document_url))
       default_url_options[:host] = Setting.host_name
-      url = url_for(:controller => :dmsf_files, :action => 'view', :id => self.id)
       csv << url_for(:controller => :dmsf_files, :action => 'view', :id => self.id)
     end
     # Revision
diff --git a/app/models/dmsf_link.rb b/app/models/dmsf_link.rb
index dbe9d421..7afe3868 100644
--- a/app/models/dmsf_link.rb
+++ b/app/models/dmsf_link.rb
@@ -154,7 +154,7 @@ class DmsfLink < ActiveRecord::Base
     csv = []
     if self.target_type == 'DmsfUrl'
       # Id
-      csv << '' if columns.include?('id')
+      csv << self.id if columns.include?('id')
       # Title
       csv << self.title.insert(0, ' ' * level) if columns.include?('title')
       # Extension
@@ -168,11 +168,11 @@ class DmsfLink < ActiveRecord::Base
       # Workflow
       csv << '' if columns.include?('workflow')
       # Author
-      csv << self.last_revision.user.name if columns.include?('author')
+      csv << self.user.name if columns.include?('author')
       # Url
-      csv << self.external_url if columns.include?('url')
+      csv << self.external_url if columns.include?(l(:label_document_url))
       # Revision
-      csv << '' if columns.include?('revision')
+      csv << '' if columns.include?(l(:label_last_revision_id))
       # Custom fields
       cfs = CustomField.where(:type => 'DmsfFileRevisionCustomField').order(:position)
       cfs.each do |c|