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/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)