diff --git a/app/controllers/files_controller.rb b/app/controllers/files_controller.rb
index dd8dc84c4..cbbf36ea8 100644
--- a/app/controllers/files_controller.rb
+++ b/app/controllers/files_controller.rb
@@ -374,30 +374,29 @@ class FilesController < ApplicationController
        if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
          Mailer.run.attachments_added(attachments[:files])
        end
-
-       if params[:course_attachment_type] && params[:course_attachment_type] != "5"
-         case params[:course_attachment_type]
-         when "1"
-           tag_name = l(:label_courseware)
-         when "2"
-           tag_name = l(:label_software)
-         when "3"
-           tag_name = l(:label_media)
-         when "4"
-           tag_name = l(:label_code)
-         when "6"
-            tag_name = "论文"
-         else
-           tag_name = ""
+       if params[:course_attachment_type] && params[:course_attachment_type].is_a?(Array)
+         params[:course_attachment_type].each do |type|
+           tag_name = get_tag_name_by_type_number  type
+           if !attachments.empty? && attachments[:files] && tag_name != ""
+             attachments[:files].each do |attachment|
+               attachment.tag_list.add(tag_name)
+               attachment.save
+             end
+           end
          end
-         if !attachments.empty? && attachments[:files] && tag_name != ""
-           attachments[:files].each do |attachment|
-             attachment.tag_list.add(tag_name)
-             attachment.save
+       else
+         if params[:course_attachment_type] && params[:course_attachment_type] != "5"
+           tag_name = get_tag_name_by_type_number  params[:course_attachment_type]
+           if !attachments.empty? && attachments[:files] && tag_name != ""
+             attachments[:files].each do |attachment|
+               attachment.tag_list.add(tag_name)
+               attachment.save
+             end
            end
          end
        end
 
+
        # TODO: 临时用 nyan
        sort_init 'created_on', 'desc'
        sort_update 'created_on' => "#{Attachment.table_name}.created_on",
@@ -424,6 +423,23 @@ class FilesController < ApplicationController
    end
   end
 
+  def get_tag_name_by_type_number type
+    case type
+      when "1"
+        tag_name = l(:label_courseware)
+      when "2"
+        tag_name = l(:label_software)
+      when "3"
+        tag_name = l(:label_media)
+      when "4"
+        tag_name = l(:label_code)
+      when "6"
+        tag_name = "论文"
+      else
+        tag_name = ""
+    end
+  end
+
   def tag_saveEx
     @tags = params[:tag_name][:name]
     @obj_id = params[:object_id]
diff --git a/app/views/files/_upload_course_files.erb b/app/views/files/_upload_course_files.erb
index f023e8413..86ec79e67 100644
--- a/app/views/files/_upload_course_files.erb
+++ b/app/views/files/_upload_course_files.erb
@@ -10,12 +10,12 @@
           <input type="hidden" name="in_course_toolbar" value="Y">
           <!--<p class="c_grey fr mt10 mr5">-->
           <div class="c_dark">
-            <input name="course_attachment_type" type="radio" value="1" checked class="c_dark" >课件</input>&nbsp;<span class="c_grey">|</span>&nbsp;
-            <input name="course_attachment_type" type="radio" value="2" class="c_dblue">软件</input>&nbsp;<span  class="c_grey">|</span>&nbsp;
-            <input name="course_attachment_type" type="radio" value="3" class="c_dblue">媒体</input>&nbsp;<span  class="c_grey">|</span>&nbsp;
-            <input name="course_attachment_type" type="radio" value="4" class="c_dblue">代码</input>&nbsp;<span  class="c_grey">|</span>&nbsp;
-            <input name="course_attachment_type" type="radio" value="6" class="c_dblue">论文</input>&nbsp;<span  class="c_grey">|</span>&nbsp;
-            <input name="course_attachment_type" type="radio" value="5" class="c_dblue">其他</input></a>
+            <input name="course_attachment_type[]" type="checkbox" value="1" checked class="c_dark" >课件</input>&nbsp;<span class="c_grey">|</span>&nbsp;
+            <input name="course_attachment_type[]" type="checkbox" value="2" class="c_dblue">软件</input>&nbsp;<span  class="c_grey">|</span>&nbsp;
+            <input name="course_attachment_type[]" type="checkbox" value="3" class="c_dblue">媒体</input>&nbsp;<span  class="c_grey">|</span>&nbsp;
+            <input name="course_attachment_type[]" type="checkbox" value="4" class="c_dblue">代码</input>&nbsp;<span  class="c_grey">|</span>&nbsp;
+            <input name="course_attachment_type[]" type="checkbox" value="6" class="c_dblue">论文</input>&nbsp;<span  class="c_grey">|</span>&nbsp;
+            <input name="course_attachment_type[]" type="checkbox" value="5" class="c_dblue">其他</input></a>
           </div>
           <div class="cl"></div>
           <div>