diff --git a/Gemfile b/Gemfile
index 3431ad649..e5f2a7054 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,6 +27,7 @@ group :test do
   gem "mocha", "~> 0.13.3"
   gem 'capybara', '~> 2.0.0'
   gem 'nokogiri', '< 1.6.0'
+  gem 'factory_girl'
 
   platforms :mri, :mingw do
     group :rmagick do
@@ -43,7 +44,7 @@ group :development, :test do
 	gem 'spork-testunit'
 	gem 'guard-spork'
 	gem 'guard-test', '~> 1.0.0'
-	#gem 'ruby-prof'
+	gem 'ruby-prof' unless RUBY_PLATFORM =~ /w32/
 	gem 'pry'
 	gem 'pry-nav'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 5d5f167ca..4159a32a0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,6 +78,8 @@ GEM
     coffee-script-source (1.7.1)
     erubis (2.7.0)
     execjs (2.2.1)
+    factory_girl (4.4.0)
+      activesupport (>= 3.0.0)
     fastercsv (1.5.5)
     ffi (1.9.3)
     ffi (1.9.3-x86-mingw32)
@@ -247,6 +249,7 @@ DEPENDENCIES
   capybara (~> 2.0.0)
   coderay (~> 1.0.6)
   coffee-rails (~> 3.2.1)
+  factory_girl
   fastercsv (~> 1.5.0)
   guard-rails
   guard-spork
diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index b283b4792..4964bf6a6 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -55,32 +55,35 @@ class AttachmentsController < ApplicationController
     candown = false
     if @attachment.container.has_attribute?(:project) && @attachment.container.project
       project = @attachment.container.project
-      candown= User.current.member_of?(project)
+      candown= User.current.member_of?(project) || (project.is_public==1 && @attachment.is_public == 1)
     elsif  @attachment.container.is_a?(Project)
       project = @attachment.container
-      candown= User.current.member_of?(project)
+      candown= User.current.member_of?(project) || (project.is_public==1 && @attachment.is_public == 1)
     elsif @attachment.container.has_attribute?(:course) && @attachment.container.course
       course = @attachment.container.course
-      candown= User.current.member_of_course?(course)
+      candown= User.current.member_of_course?(course) || (course.is_public==1 && @attachment.is_public == 1)
     elsif @attachment.container.is_a?(Course)
       course = @attachment.container
-      candown= User.current.member_of_course?(course)
+      candown= User.current.member_of_course?(course) || (course.is_public==1 && @attachment.is_public == 1)
     elsif @attachment.container.class.to_s=="HomeworkAttach" && @attachment.container.bid.reward_type == 3
       candown = true
+    else
+      candown = @attachment.is_public == 1
     end
     if candown || User.current.admin?
       @attachment.increment_download
+
+      if stale?(:etag => @attachment.digest)
+        # images are sent inline
+        send_file @attachment.diskfile, :filename => filename_for_content_disposition(@attachment.filename),
+                  :type => detect_content_type(@attachment),
+                  :disposition => (@attachment.image? ? 'inline' : 'attachment')
+      end
+
     else
       render_403 :message => :notice_not_authorized
     end
 
-
-    if stale?(:etag => @attachment.digest)
-      # images are sent inline
-      send_file @attachment.diskfile, :filename => filename_for_content_disposition(@attachment.filename),
-                :type => detect_content_type(@attachment),
-                :disposition => (@attachment.image? ? 'inline' : 'attachment')
-    end
   rescue => e
     redirect_to "http://" + (Setting.host_name.to_s) +"/file_not_found.html"
   end
diff --git a/app/controllers/stores_controller.rb b/app/controllers/stores_controller.rb
index f34e72402..ae9336161 100644
--- a/app/controllers/stores_controller.rb
+++ b/app/controllers/stores_controller.rb
@@ -38,7 +38,7 @@ class StoresController < ApplicationController
   LIMIT = 12 unless const_defined?(:LIMIT)
   def index
     @projects_attach = project_classification(0).take(LIMIT)
-    @courses_attach = Attachment.includes(:course).where("courses.is_public = ?", 1).
+    @courses_attach = Attachment.includes(:course).where("courses.is_public = 1").
                       where(container_type: 'Course').
                       limit(LIMIT)
     # @projects_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 0, 1).
diff --git a/app/helpers/stores_helper.rb b/app/helpers/stores_helper.rb
index 0c7fdac43..b4cd47eb1 100644
--- a/app/helpers/stores_helper.rb
+++ b/app/helpers/stores_helper.rb
@@ -16,6 +16,8 @@ module StoresHelper
 			news_path(container)
 		when 'Project'
 			project_files_path(container)
+    when 'Course'
+      course_files_path(container)
 		when 'Version'
 			# version_path(container)
 			project_files_path(container.project)
diff --git a/app/views/files/_course_file.html.erb b/app/views/files/_course_file.html.erb
index d9913539f..a1547bc2b 100644
--- a/app/views/files/_course_file.html.erb
+++ b/app/views/files/_course_file.html.erb
@@ -11,7 +11,9 @@
   <div id="file_buttons" class="nhidden">
     <%= link_to(l(:label_upload_files), 'javascript:void(0);', :class => 'icon m5p5 button_submit', :onclick => "$('#relation_file_div').slideUp();$('#upload_file_div').slideToggle('slow');") if User.current.allowed_to?(:manage_files, @course) %>
     <%= link_to(l(:label_relation_files), 'javascript:void(0);', :onclick => "$('#upload_file_div').slideUp();$('#relation_file_div').slideToggle();", :class => 'icon m5p5 button_submit') if User.current.allowed_to?(:manage_files, @course) %>
-
+    <p></p>
+    <div class="box" id="files-box">
+      <label for="files-box" style="font-weight:bold;">&nbsp;&nbsp;<%= l(:label_files_filter) %></label>
     <% if attachmenttypes.any? %>
         &nbsp; &nbsp; &nbsp;
         <label for="attachment_browse_label"><%= l(:attachment_browse) %></label>
@@ -24,7 +26,7 @@
         <%= select_tag "attach_sufix_browse", content_tag(:option, l(:attachment_all), :value => '0') +options_for_select(sufixtypes),
                        :onchange => "course_attachment_contenttypes_searchex(this.value)" %>
     <% end %>
-
+    </div>
     <div id="upload_file_div" class="relation_file_div hidden">
       <%= render :partial => 'course_new', locals: {course: @course} %>
     </div>
diff --git a/app/views/files/_project_file.html.erb b/app/views/files/_project_file.html.erb
index 1212db052..67067a638 100644
--- a/app/views/files/_project_file.html.erb
+++ b/app/views/files/_project_file.html.erb
@@ -11,7 +11,9 @@
   <div id="file_buttons" class="nhidden">
     <%= link_to(l(:label_upload_files), 'javascript:void(0);', :class => 'icon m5p5 button_submit', :onclick => "$('#relation_file_div').slideUp();$('#upload_file_div').slideToggle('slow');") if User.current.allowed_to?(:manage_files, @project) %>
     <%= link_to(l(:label_relation_files), 'javascript:void(0);', :onclick => "$('#upload_file_div').slideUp();$('#relation_file_div').slideToggle();", :class => 'icon m5p5 button_submit') if User.current.allowed_to?(:manage_files, @project) %>
-
+    <p></p>
+    <div class="box" id="files-box">
+      <label for="files-box" style="font-weight:bold;">&nbsp;&nbsp;<%= l(:label_files_filter) %></label>
     <% if attachmenttypes.any? %>
         &nbsp; &nbsp; &nbsp;
         <label for="attachment_browse_label"><%= l(:attachment_browse) %></label>
@@ -24,6 +26,7 @@
         <%= select_tag "attach_sufix_browse", content_tag(:option, l(:attachment_all), :value => '0') +options_for_select(sufixtypes),
                        :onchange => "attachment_contenttypes_searchex(this.value)" %>
     <% end %>
+    </div>
 
     <div id="upload_file_div" class="relation_file_div hidden">
       <%= render :partial => 'new', locals: {project: @project} %>
diff --git a/app/views/layouts/base_courses.html.erb b/app/views/layouts/base_courses.html.erb
index 38691bd1e..b79464537 100644
--- a/app/views/layouts/base_courses.html.erb
+++ b/app/views/layouts/base_courses.html.erb
@@ -183,12 +183,12 @@
     <!--description-->
     <div class="inf_user_context">
       <div class="font_title_left">
-        <%= l(:label_course_overview) %>
+        <%= l(:label_new_course_description) %>
       </div>
 
       <div style="padding-bottom: 8px">
         <% if @course.description && @course.description.size>0 %>
-            <div class="font_lighter_sidebar">
+            <div class="font_lighter_sidebar" style="word-break:break-all; word-wrap:break-all;">
 
               <%= textilizable @course.description %>
             </div>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index db673c69c..6c07f5723 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -937,6 +937,7 @@ en:
   label_cross_project_hierarchy: With project hierarchy
   label_cross_project_system: With all projects
   label_gantt_progress_line: Progress line
+  label_files_filter: Files Filter：
 
   button_login: Login
   button_submit: Submit
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 96c7b0560..c701ce41a 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -1742,6 +1742,7 @@ zh:
   label_file_number: 文档的数量
   label_code_submit_number: 代码提交数量
   label_topic_number: 讨论区帖子数量
+  label_files_filter: 资源过滤：
   
   label_course_contribute_to: 参与了 %{project_count} 个项目：
   label_x_course_contribute_to:
diff --git a/plugins/redmine_code_review/test/functional/attachments_controller_test.rb b/plugins/redmine_code_review/test/functional/attachments_controller_test.rb
index d0e5079f9..3837586a3 100644
--- a/plugins/redmine_code_review/test/functional/attachments_controller_test.rb
+++ b/plugins/redmine_code_review/test/functional/attachments_controller_test.rb
@@ -45,6 +45,8 @@ class AttachmentsControllerTest < ActionController::TestCase
       role.save
     }
     User.current = nil
+    @request.session[:ctime] = Time.now.to_i
+    @request.session[:atime] = Time.now.to_i
   end
   
    
diff --git a/plugins/redmine_code_review/test/functional/code_review_controller_test.rb b/plugins/redmine_code_review/test/functional/code_review_controller_test.rb
index d2dba9ab6..26982c9b4 100644
--- a/plugins/redmine_code_review/test/functional/code_review_controller_test.rb
+++ b/plugins/redmine_code_review/test/functional/code_review_controller_test.rb
@@ -41,6 +41,8 @@ class CodeReviewControllerTest < ActionController::TestCase
       role.permissions << :view_code_review
       role.save
     }
+    @request.session[:ctime] = Time.now.to_i
+    @request.session[:atime] = Time.now.to_i
   end
 
   context "index" do
diff --git a/plugins/redmine_code_review/test/functional/code_review_settings_controller_test.rb b/plugins/redmine_code_review/test/functional/code_review_settings_controller_test.rb
index 3def022bf..660f909d9 100644
--- a/plugins/redmine_code_review/test/functional/code_review_settings_controller_test.rb
+++ b/plugins/redmine_code_review/test/functional/code_review_settings_controller_test.rb
@@ -42,6 +42,8 @@ class CodeReviewSettingsControllerTest < ActionController::TestCase
       role.permissions << :view_code_review
       role.save
     }
+    @request.session[:ctime] = Time.now.to_i
+    @request.session[:atime] = Time.now.to_i
   end
 
 
diff --git a/plugins/redmine_code_review/test/functional/issues_controller_test.rb b/plugins/redmine_code_review/test/functional/issues_controller_test.rb
index 27cacda05..0e45d25a9 100644
--- a/plugins/redmine_code_review/test/functional/issues_controller_test.rb
+++ b/plugins/redmine_code_review/test/functional/issues_controller_test.rb
@@ -62,6 +62,8 @@ class IssuesControllerTest < ActionController::TestCase
       role.permissions << :view_code_review
       role.save
     }
+    @request.session[:ctime] = Time.now.to_i
+    @request.session[:atime] = Time.now.to_i
   end
 
   def test_show
diff --git a/plugins/redmine_code_review/test/functional/projects_controller_test.rb b/plugins/redmine_code_review/test/functional/projects_controller_test.rb
index 99b17011d..b1a512a0c 100644
--- a/plugins/redmine_code_review/test/functional/projects_controller_test.rb
+++ b/plugins/redmine_code_review/test/functional/projects_controller_test.rb
@@ -26,6 +26,8 @@ class ProjectsControllerTest < ActionController::TestCase
     @controller = ProjectsController.new
     @request    = ActionController::TestRequest.new
     @response   = ActionController::TestResponse.new
+    @request.session[:ctime] = Time.now.to_i
+    @request.session[:atime] = Time.now.to_i
   end
 
   context "#settings" do
diff --git a/plugins/redmine_code_review/test/functional/repositories_controller_test.rb b/plugins/redmine_code_review/test/functional/repositories_controller_test.rb
index ed95dc2cb..6efca1aec 100644
--- a/plugins/redmine_code_review/test/functional/repositories_controller_test.rb
+++ b/plugins/redmine_code_review/test/functional/repositories_controller_test.rb
@@ -52,6 +52,8 @@ class RepositoriesControllerTest < ActionController::TestCase
       role.permissions << :browse_repository
       role.save
     }
+    @request.session[:ctime] = Time.now.to_i
+    @request.session[:atime] = Time.now.to_i
   end
 
   def test_revision
diff --git a/plugins/redmine_code_review/test/test_helper.rb b/plugins/redmine_code_review/test/test_helper.rb
index 3fc8838eb..07b1e7219 100644
--- a/plugins/redmine_code_review/test/test_helper.rb
+++ b/plugins/redmine_code_review/test/test_helper.rb
@@ -116,4 +116,10 @@ FactoryGirl.define do
     
   end
 
-end
\ No newline at end of file
+end
+ActiveRecord::Fixtures.create_fixtures(File.dirname(__FILE__)+ '/fixtures/',
+                                       [ :code_review_assignments,
+                                         :code_reviews,
+                                         :code_review_project_settings,
+                                         :code_review_user_settings])
+
diff --git a/plugins/redmine_code_review/test/unit/code_review_assignment_test.rb b/plugins/redmine_code_review/test/unit/code_review_assignment_test.rb
index 976196a48..b978c6023 100644
--- a/plugins/redmine_code_review/test/unit/code_review_assignment_test.rb
+++ b/plugins/redmine_code_review/test/unit/code_review_assignment_test.rb
@@ -21,6 +21,11 @@ class CodeReviewAssignmentTest < ActiveSupport::TestCase
   fixtures :code_review_assignments, :issues, :issue_statuses,
     :projects, :trackers, :projects_trackers, :users, :members, :repositories,
     :enumerations
+  ActiveRecord::Fixtures.create_fixtures(File.dirname(__FILE__)+ '/../fixtures/',
+                                         [ :code_review_assignments,
+                                           :code_reviews,
+                                           :code_review_project_settings,
+                                           :code_review_user_settings])
 
   def setup
     @assignment = CodeReviewAssignment.new
diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index aae90eb4e..a8d030b6b 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -1852,7 +1852,7 @@ span.required {color: #bb0000;}
 a.remove-upload {background: url(../images/delete.png) no-repeat 1px 50%; width:1px; display:inline-block; padding-left:16px;}
 a.remove-upload:hover {text-decoration:none !important;}
 #attachments_fields input.is_public_checkbox {width:20px;}
-#attachments_fields span.ispublic-label {display:inline-block;width:50px;margin-left:10px; }
+#attachments_fields span.ispublic-label {display:inline-block;width:30px;margin-left:10px; }
 
 /*gcm upload file count and deleteall*/
 #upload_file_count #count {color:red; font-size:1.5em;}