diff --git a/app/services/zip_service.rb b/app/services/zip_service.rb
index 72be23fd..b798e111 100755
--- a/app/services/zip_service.rb
+++ b/app/services/zip_service.rb
@@ -188,7 +188,6 @@ module ZipService
     # file_name = "#{exercise.course_id}-#{exercise.exercise_name}-#{exercise_user.user.user_extensions.student_id}-#{exercise_user.user.show_real_name}" + ".pdf"
     # file_name = "#{Time.now.strftime("%Y%m%d%H%M%S").to_s}-#{exercise.course_id}-#{exercise.id}-#{exercise_user.user.user_extensions.student_id}" + ".pdf"
     file_name.gsub!(" ", "-")
-    file_name = filename_for_content_disposition(file_name)
     kit.to_file("#{OUTPUT_FOLDER}/#{file_name}")
     out_file = "#{OUTPUT_FOLDER}/#{file_name}"
     out_file
@@ -201,10 +200,6 @@ module ZipService
     # file_name = "#{homework.course_id}-#{homework.name}-#{student_work.user.user_extensions.student_id}-#{student_work.user.show_real_name}" + ".pdf"
     # file_name = "#{Time.now.strftime("%Y%m%d%H%M%S").to_s}-#{homework.course_id}-#{homework.id}-#{student_work.user.user_extensions.student_id}" + ".pdf"
     file_name.gsub!(" ", "-")
-    Rails.logger.info("######################before_dispos_file_name: #{file_name}")
-
-    file_name = filename_for_content_disposition(file_name)
-    Rails.logger.info("######################after_dispos_file_name: #{file_name}")
     kit.to_file("#{OUTPUT_FOLDER}/#{file_name}")
     out_file = "#{OUTPUT_FOLDER}/#{file_name}"
     out_file