diff --git a/Gemfile b/Gemfile
index a5bf637a..e6a27782 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ unless RUBY_PLATFORM =~ /w32/
     gem 'wkhtmltopdf-binary'
   elsif RUBY_PLATFORM =~ /linux/
     gem "rmagick", "~> 2.13.1" ## centos yum install ImageMagick-devel
-    gem 'pdfkit'
+    gem 'pdfkit', "~> 0.8.4.1"
     gem 'wkhtmltopdf-binary'
     gem 'rqrcode', '~> 0.10.1'
     gem 'rqrcode_png'
diff --git a/app/services/zip_service.rb b/app/services/zip_service.rb
index b798e111..72be23fd 100755
--- a/app/services/zip_service.rb
+++ b/app/services/zip_service.rb
@@ -188,6 +188,7 @@ 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
@@ -200,6 +201,10 @@ 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
diff --git a/config/routes.rb b/config/routes.rb
index e52be2c8..74ac7698 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1103,7 +1103,9 @@ RedmineApp::Application.routes.draw do ## oauth相关
 
     collection do
       match 'shixuns'
+      match 'subjects'
       match 'create_shixun_homework', :via => [:get,:post]
+      match 'create_subject_homework', :via => [:get,:post]
       post 'publish_shixun_homework'
       post 'next_step'
       post 'programing_test'