diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index c90cc1cc3..5fe953563 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -236,24 +236,10 @@ update
   end
 
   def destroy
-    @root_path=RepositoriesHelper::ROOT_PATH
-    @repo_name=User.current.login.to_s+"_"+@repository.identifier.to_s
-    @repository_name=User.current.login.to_s+"/"+@repository.identifier.to_s+".git"
-     @middle=User.current.login.to_s+"_"+@repository.identifier.to_s+"-write:"
-    @repository.destroy if request.delete?
+    DestroyRepositoryTask.new.destroy(User.current.id, @repository.id)
+    @repository.hidden = true
+    @repository.save
     redirect_to settings_project_url(@project, :tab => 'repositories')
-    if(@repository.type=="Repository::Git")  
-      logger.info "destory the repository value"+"root path"+@root_path+"repo_name"+@repo_name+
-      "repository_name"+@repository_name+"user group"+@middle    
-        system "sed -i /"+@repo_name+"/{d} "+@root_path+"htdocs/user.passwd"
-        system "sed -i /"+@middle+"/{d} "+@root_path+"htdocs/group.passwd"
-        system "rm -r "+@root_path+"htdocs/"+@repository_name
-        # if(@sed_user&&@sed_group&&@remove)
-        # else
-            # logger.info "An error occured when destory the repository"+"delete form passwd: \n"+
-            # @sed_user+"delete from group"+@sed_group+"delete from file"+@remove
-        # end
-    end
   end
 
   def show
diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index eacead013..a930b5467 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -817,12 +817,12 @@ class Mailer < ActionMailer::Base
       headers[:references] = @references_objects.collect {|o| "<#{self.class.message_id_for(o)}>"}.join(' ')
     end
 
+    set_language_if_valid @initial_language
     super headers do |format|
       format.text
       format.html unless Setting.plain_text_mail?
     end
 
-    set_language_if_valid @initial_language
   end
 
   def initialize(*args)
diff --git a/app/models/project.rb b/app/models/project.rb
index 07854822e..f257058ea 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -51,7 +51,7 @@ class Project < ActiveRecord::Base
   has_many :issue_categories, :dependent => :delete_all, :order => "#{IssueCategory.table_name}.name"
   has_many :boards, :dependent => :destroy, :order => "position ASC"
   has_one :repository, :conditions => ["is_default = ?", true]
-  has_many :repositories, :dependent => :destroy
+  has_many :repositories, :dependent => :destroy, conditions: "hidden=false"
   has_many :changesets, :through => :repository
   #added by xianbo for delete biding_project
   has_many :biding_projects, :dependent => :destroy
diff --git a/app/tasks/destroy_repository_task.rb b/app/tasks/destroy_repository_task.rb
new file mode 100644
index 000000000..3e434422e
--- /dev/null
+++ b/app/tasks/destroy_repository_task.rb
@@ -0,0 +1,25 @@
+#coding=utf-8
+#
+
+class DestroyRepositoryTask 
+  def destroy(user_id, rep_id)
+    user = User.find(user_id)
+    repository = Repository.find(rep_id)
+
+    Rails.logger.info "start delete repository #{user} #{repository}"
+    @root_path=RepositoriesHelper::ROOT_PATH
+    @repo_name=user.login.to_s+"_"+repository.identifier.to_s
+    @repository_name=user.login.to_s+"/"+repository.identifier.to_s+".git"
+    @middle=user.login.to_s+"_"+repository.identifier.to_s+"-write:"
+    repository.destroy
+    if(repository.type=="Repository::Git")  
+      Rails.logger.info "destory the repository value"+"root path"+@root_path+"repo_name"+@repo_name+
+      "repository_name"+@repository_name+"user group"+@middle    
+        system "sed -i /"+@repo_name+"/{d} "+@root_path+"htdocs/user.passwd"
+        system "sed -i /"+@middle+"/{d} "+@root_path+"htdocs/group.passwd"
+        system "rm -r "+@root_path+"htdocs/"+@repository_name
+    end
+  end
+
+  handle_asynchronously :destroy,:queue => 'repository'
+end
diff --git a/app/views/attachments/_homework_jour_link.html.erb b/app/views/attachments/_homework_jour_link.html.erb
index a83640f1f..e0efa211c 100644
--- a/app/views/attachments/_homework_jour_link.html.erb
+++ b/app/views/attachments/_homework_jour_link.html.erb
@@ -1,4 +1,4 @@
-<div class="attachments" style="font-weight:normal;">
+<div style="font-weight:normal;">
   <% for attachment in attachments %>
       <div title="<%= attachment.filename%>" id = "attachment_" style="max-width: 300px;white-space: nowrap;overflow: hidden;text-overflow: ellipsis;float: left;">
         <%= link_to_short_attachment attachment, :class => 'link_file', :download => true, :length => 100 -%>
@@ -13,5 +13,6 @@
                         :target => "_blank"%>
           </div>
       <% end %>
+      <br>
   <% end %>
 </div>
diff --git a/app/views/homework_attach/_review.html.erb b/app/views/homework_attach/_review.html.erb
index 9c7d9d82c..876980168 100644
--- a/app/views/homework_attach/_review.html.erb
+++ b/app/views/homework_attach/_review.html.erb
@@ -42,9 +42,8 @@
             <div class="cl"></div>
             <% unless jour.nil? %>
                 <% unless jour.attachments.empty?%>
-                    <% options = {:author => true, :deletable => attach_delete(jour)} %>
                     <%= render :partial => 'attachments/homework_jour_link',
-                               :locals => {:attachments => jour.attachments, :options => options} %>
+                               :locals => {:attachments => jour.attachments} %>
                 <% end %>
                 <div class="cl"></div>
 
diff --git a/app/views/homework_attach/edit.html.erb b/app/views/homework_attach/edit.html.erb
index 19c0d9344..63c3051aa 100644
--- a/app/views/homework_attach/edit.html.erb
+++ b/app/views/homework_attach/edit.html.erb
@@ -79,17 +79,11 @@
             <label style="float: left;">
               &nbsp;&nbsp;&nbsp;添加附件&nbsp;&nbsp;&nbsp;&nbsp;：
             </label>
-            <% unless @homework.attachments.empty?%>
-                <p style=" padding: 3px 0 3px 0;padding-left: 90px;">
-                  <% options = {:author => true, :deletable => attach_delete(@homework)} %>
-                  <%= render :partial => 'attachments/links',
-                             :locals => {:attachments => @homework.attachments, :options => options} %>
-                </p>
-            <% end %>
-            <p style=" padding: 3px 0 3px 0;padding-left: 90px;">
-              <%= render :partial => 'attachments/form' %>
-            </p>
+            <div style="float: left;padding-bottom: 15px;">
+              <%= render :partial => 'attachments/form', :locals => {:container => @homework}%>
+            </div>
           </p>
+            <div class="cl"></div>
           <p>
               <label>&nbsp;&nbsp;&nbsp;开发项目
                 <img src="/images/bid/pic_question.png" width="16" height="16"
diff --git a/app/views/mailer/issue_add.text.erb b/app/views/mailer/issue_add.text.erb
index c5b391685..cc2eb814f 100644
--- a/app/views/mailer/issue_add.text.erb
+++ b/app/views/mailer/issue_add.text.erb
@@ -1,3 +1,9 @@
 
 <%= render :partial => 'issue', :formats => [:text], :locals => { :issue => @issue, :issue_url => @issue_url } %>
-<%= link_to( l(:mail_issue_footer), @user_url)  %>
\ No newline at end of file
+<% [:label_user_mail_option_all, :label_user_mail_option_day, :label_user_mail_option_none].each do |mail_option| %>
+  <% if Hash[*User::MAIL_NOTIFICATION_OPTIONS.flatten][@user.mail_notification] == mail_option %>
+    <label style="margin-top:20px;color:gray; margin-left:10px;"><%= l(mail_option) %></label>
+  <% else %>
+    <%= link_to l(mail_option), my_change_mail_notification_url(token: @token.value,mail_notification: Hash[*User::MAIL_NOTIFICATION_OPTIONS.flatten].invert[mail_option]), :style => "margin-top:20px;color:#2775d2; margin-left:10px;" %>
+  <% end %>
+<% end %>
diff --git a/app/views/mailer/issue_edit.text.erb b/app/views/mailer/issue_edit.text.erb
index 1434a7a33..d1d625cec 100644
--- a/app/views/mailer/issue_edit.text.erb
+++ b/app/views/mailer/issue_edit.text.erb
@@ -5,4 +5,10 @@
 --------------------------------------------------------------------------------
 <%= render :partial => 'issue', :formats => [:text], :locals => { :issue => @issue, :issue_url => @issue_url } %>
 
-<%= link_to( l(:mail_issue_footer), @user_url)  %>
\ No newline at end of file
+<% [:label_user_mail_option_all, :label_user_mail_option_day, :label_user_mail_option_none].each do |mail_option| %>
+  <% if Hash[*User::MAIL_NOTIFICATION_OPTIONS.flatten][@user.mail_notification] == mail_option %>
+    <label style="margin-top:20px;color:gray; margin-left:10px;"><%= l(mail_option) %></label>
+  <% else %>
+    <%= link_to l(mail_option), my_change_mail_notification_url(token: @token.value,mail_notification: Hash[*User::MAIL_NOTIFICATION_OPTIONS.flatten].invert[mail_option]), :style => "margin-top:20px;color:#2775d2; margin-left:10px;" %>
+  <% end %>
+<% end %>
diff --git a/app/views/mailer/send_for_user_activities.text.erb b/app/views/mailer/send_for_user_activities.text.erb
index 4de42b8aa..59735225d 100644
--- a/app/views/mailer/send_for_user_activities.text.erb
+++ b/app/views/mailer/send_for_user_activities.text.erb
@@ -293,4 +293,10 @@
     <!--贴吧动态 end-->
 <% end %>
 
-  <%= link_to l(:mail_footer), @user_url, :style => "margin-top:20px;color:#2775d2; margin-left:10px;" %>
+<% [:label_user_mail_option_all, :label_user_mail_option_day, :label_user_mail_option_none].each do |mail_option| %>
+  <% if Hash[*User::MAIL_NOTIFICATION_OPTIONS.flatten][@user.mail_notification] == mail_option %>
+    <%= l(mail_option) %>
+  <% else %>
+    <%= link_to l(mail_option), my_change_mail_notification_url(token: @token.value,mail_notification: Hash[*User::MAIL_NOTIFICATION_OPTIONS.flatten].invert[mail_option]), :style => "margin-top:20px;color:#2775d2; margin-left:10px;" %>
+  <% end %>
+<% end %>
diff --git a/config/application.rb b/config/application.rb
index 57ae436cb..4a0e56115 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -48,7 +48,7 @@ module RedmineApp
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
-    # config.i18n.default_locale = :de
+    config.i18n.default_locale = :zh
 
     # Configure the default encoding used in templates for Ruby 1.9.
     config.encoding = "utf-8"
diff --git a/config/configuration.yml b/config/configuration.yml
index 5eba1c71d..87a54a976 100644
--- a/config/configuration.yml
+++ b/config/configuration.yml
@@ -215,11 +215,12 @@ production:
 # specific configuration options for development environment
 # that overrides the default ones
 development:
-  delivery_method: :smtp
-  smtp_settings:
-    address: mail.trustie.net
-    port: 25
-    domain: mail.trustie.net
-    authentication: :login
-    user_name: "mail@trustie.net"
-    password: "loong2010"
+  email_delivery:
+    delivery_method: :smtp
+    smtp_settings:
+      address: mail.trustie.net
+      port: 25
+      domain: mail.trustie.net
+      authentication: :login
+      user_name: "mail@trustie.net"
+      password: "loong2010"
diff --git a/db/migrate/20150428021035_add_hidden_to_repositories.rb b/db/migrate/20150428021035_add_hidden_to_repositories.rb
new file mode 100644
index 000000000..13f10ce4f
--- /dev/null
+++ b/db/migrate/20150428021035_add_hidden_to_repositories.rb
@@ -0,0 +1,5 @@
+class AddHiddenToRepositories < ActiveRecord::Migration
+  def change
+    add_column :repositories, :hidden, :boolean, default: false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3e07b71db..dcbe017fb 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150422034543) do
+ActiveRecord::Schema.define(:version => 20150428021035) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -1058,6 +1058,7 @@ ActiveRecord::Schema.define(:version => 20150422034543) do
     t.text    "extra_info"
     t.string  "identifier"
     t.boolean "is_default",                  :default => false
+    t.boolean "hidden",                      :default => false
   end
 
   add_index "repositories", ["project_id"], :name => "index_repositories_on_project_id"
diff --git a/lib/tasks/email.rake b/lib/tasks/email.rake
index 5f9bf7769..5126d7a69 100644
--- a/lib/tasks/email.rake
+++ b/lib/tasks/email.rake
@@ -186,9 +186,9 @@ END_DESC
 
       ActionMailer::Base.raise_delivery_errors = true
       begin
-        Mailer.with_synched_deliveries do
-          Mailer.test_email(user).deliver
-        end
+        # Mailer.with_synched_deliveries do
+          Mailer.test_email(user).deliver!
+        # end
         puts l(:notice_email_sent, user.mail)
       rescue Exception => e
         abort l(:notice_email_error, e.message)
diff --git a/public/assets/kindeditor/kindeditor.js b/public/assets/kindeditor/kindeditor.js
index a31284adf..fbec91afb 100644
--- a/public/assets/kindeditor/kindeditor.js
+++ b/public/assets/kindeditor/kindeditor.js
@@ -260,7 +260,7 @@ K.options = {
 	items : [ 'emoticons',
 		'source','plainpaste', 'wordpaste', '|', 'justifyleft', 'justifycenter', 'justifyright', 'insertorderedlist', '|',
 		'formatblock', 'fontsize', '|', 'forecolor', 'hilitecolor', 'bold',
-		'italic', 'underline', 'removeformat', '|','imagedirectupload','table',   'link', 'fullscreen',"more"
+		'italic', 'underline', 'removeformat', '|','imagedirectupload','table',   'link',"more"
 	],
 	noDisableItems : ['source', 'fullscreen'],
 	colorTable : [
@@ -4972,13 +4972,13 @@ KEditor.prototype = {
             'emoticons',
             'source','plainpaste', 'wordpaste', '|', 'justifyleft', 'justifycenter', 'justifyright', 'insertorderedlist', '|',
             'formatblock', 'fontsize', '|', 'forecolor', 'hilitecolor', 'bold',
-            'italic', 'underline', 'removeformat', '|','imagedirectupload','table',   'link', 'fullscreen',"less",
+            'italic', 'underline', 'removeformat', '|','imagedirectupload','table',   'link', "less",
                 '/',
-             'undo', 'redo', '|', 'preview', 'print', 'template', 'code', 'cut',  'plainpaste',
+             'undo', 'redo', '|', 'preview', 'print', 'template',
             'justifyfull', 'insertunorderedlist', 'indent', 'outdent', 'subscript',
             'superscript', 'clearhtml', 'quickformat', 'selectall',  'fontname',
-            'strikethrough', 'lineheight', '|', 'imagedirectupload', 'hr', 'pagebreak',
-            'anchor', 'unlink'
+            'strikethrough', 'lineheight', 'hr', 'pagebreak',
+            'anchor' , 'unlink'
         ]
         K.each(fullItems, function(i, name) {
             if (name == '|') {
diff --git a/public/assets/kindeditor/themes/default/default.png b/public/assets/kindeditor/themes/default/default.png
index cc9e72d2b..c9103ea56 100644
Binary files a/public/assets/kindeditor/themes/default/default.png and b/public/assets/kindeditor/themes/default/default.png differ
diff --git a/public/stylesheets/css.css b/public/stylesheets/css.css
index 9bda2b7eb..3ef981910 100644
--- a/public/stylesheets/css.css
+++ b/public/stylesheets/css.css
@@ -80,7 +80,7 @@ a.wzan_visited{background:url(images/pic_zan.png) 0 0 no-repeat;}
 .alert .close{width:26px;height:26px;overflow:hidden;position:absolute;top:-10px;right:-502px;background:url(images/close.png) no-repeat;cursor:pointer;}
 .alert .C{width:476px;height:296px;position:absolute;left:5px;top:5px;  }
 
-.ping_con{ margin:5px; border-bottom:1px dashed #CCC; padding-bottom:5px;}
+.ping_con{ margin:5px; border-bottom:1px dashed #CCC; padding-bottom:5px;word-break: break-all;word-wrap: break-word;}
 .ping_con ul{  height:30px;}
 .ping_con ul li{ float:left; color:#656767; font-weight:bold;}
 .ping_con h2{ font-size:14px; color:#444443; margin-bottom:10px; }