diff --git a/app/models/journals_for_message_observer.rb b/app/models/journals_for_message_observer.rb
index e5fdfb187..093002a2c 100644
--- a/app/models/journals_for_message_observer.rb
+++ b/app/models/journals_for_message_observer.rb
@@ -1,9 +1,7 @@
 # Added by young
 class JournalsForMessageObserver < ActiveRecord::Observer
 	def after_create(journals_for_message)
-		Thread.new do
 			Mailer.journals_for_message_add(User.current, journals_for_message).deliver
-		end
 	end
 end
 
diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index a303d92bf..e0ad54296 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -44,16 +44,7 @@ class Mailer < ActionMailer::Base
              when :Bid
                respond_url(journals_for_message.jour, anchor: "word_li_#{journals_for_message.id}")
              when :Project
-               if journals_for_message.jour.project_type == 1
-                 project =  journals_for_message.jour
-                 @teachers = searchTeacherAndAssistant journals_for_message.jour
-                 @recipients ||= []
-                 @teachers.each do |teacher|
-                    @recipients << teacher
-                  end
-                 mail :to => @recipients,
-                      :subject => "您的课程#{journals_for_message.jour.name}中有了新的留言"
-               end
+               return -1 if journals_for_message.jour.project_type == Project::ProjectType_project
                project_feedback_url(journals_for_message.jour, anchor: "word_li_#{journals_for_message.id}")
              when :Contest
                show_contest_contest_url(journals_for_message.jour, anchor: "word_li_#{journals_for_message.id}")
@@ -63,7 +54,23 @@ class Mailer < ActionMailer::Base
                logger.error "[Builds a Mail::Message ERROR] journalsForMessage's jour is unkown type, journalsForMessage.id = #{journals_for_message.id}"
                return -1
            end
-    mail :to => @mail.mail, :subject => @title
+    #如果是直接留言并且留言对象是Project并且Project类型是课程
+    if !journals_for_message.at_user && journals_for_message.jour.class.to_s.to_sym == :Project && journals_for_message.jour.project_type == 1
+      project =  journals_for_message.jour
+      #课程的教师
+      @teachers = searchTeacherAndAssistant journals_for_message.jour
+      #收件人邮箱
+      @recipients ||= []
+      @teachers.each do |teacher|
+        @recipients << teacher.user.mail
+      end
+      mail :to => @recipients,
+           :subject => "#{l(:label_your_course)}#{journals_for_message.jour.name}#{l(:label_have_message)} "
+    else
+      mail :to => @mail.mail, :subject => @title
+    end
+
+
   end
 
   # Builds a Mail::Message object used to email recipients of the added issue.
@@ -433,7 +440,10 @@ class Mailer < ActionMailer::Base
       headers[:to].delete(@author.mail) if headers[:to].is_a?(Array)
       headers[:cc].delete(@author.mail) if headers[:cc].is_a?(Array)
     end
-
+    if  !User.current.nil?
+      #不给本人发邮件
+      headers[:to].delete(User.current.mail) if headers[:to].is_a?(Array)
+    end
     if @author && @author.logged?
       redmine_headers 'Sender' => @author.login
     end
diff --git a/app/views/bids/_homework_list.html.erb b/app/views/bids/_homework_list.html.erb
index 48cc16c6e..aa4140f95 100644
--- a/app/views/bids/_homework_list.html.erb
+++ b/app/views/bids/_homework_list.html.erb
@@ -57,7 +57,7 @@
                     </tr>
 					<tr>
 						<td colspan="1" valign="top" style="width: 300px">&nbsp;
-                          <strong>发布人:&nbsp; <%= link_to (display_id ? homework.user.realname : homework.user ), user_path(homework.user)%></strong>
+                          <strong>发布人:&nbsp; <%= link_to ( is_teacher ? homework.user.realname : homework.user ), user_path(homework.user)%></strong>
                         </td>
                         <td>
                           <strong>作业评分：</strong>
diff --git a/app/views/projects/show.html.erb b/app/views/projects/show.html.erb
index dfe8a10b9..173fc26a4 100644
--- a/app/views/projects/show.html.erb
+++ b/app/views/projects/show.html.erb
@@ -18,7 +18,7 @@
 									<td colspan="2" valign="top">
 										<strong> <%= h(e.project) if @project.nil? || @project.id != e.project.id %></strong>
 										<span class="font_lighter"> 
-										<%= link_to_user(e.event_author,@canShowRealName) if e.respond_to?(:event_author) %>
+										<%= link_to_user(e.event_author) if e.respond_to?(:event_author) %>(<%= link_to_user(e.event_author,@canShowRealName) if e.respond_to?(:event_author) %>)
 										<%= l(:label_new_activity) %> </span>
 										
 										<%= link_to "#{eventToLanguageCourse(e.event_type, @project)}: "<< format_activity_title(e.event_title), (e.event_type.eql?("attachment")&&e.container.kind_of?(Project)) ? project_files_path(e.container) : e.event_url %>
@@ -86,7 +86,7 @@
                          #判断是否显示真名
                          if @canShowRealName
                       %>
-                        <%= link_to (h @user.try(:realname)), user_path(@user) if @user %>
+                          <%= link_to (h @user.try(:name)), user_path(@user) if @user %>(<%= link_to (h @user.try(:realname)), user_path(@user) if @user %>)
                       <% else %>
                           <%= link_to (h @user.try(:name)), user_path(@user) if @user %>
                       <% end %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 20fc758c0..f19e076c0 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1617,6 +1617,8 @@ en:
   label_class_hour: period
   label_activity_time: publish date
 
+  label_your_course: your course
+  label_have_message :  have a new message
   label_login_prompt: Email/NickName
 
   # ajax异步验证
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 739edff85..a0d90f8a2 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -1499,6 +1499,8 @@ zh:
   label_tags_numbers: Tag统计：
   label_max_number: 昵称是在网站中显示的您的公开标识，至多25个字符。
   label_mail_attention: qq邮箱可能收不到此邮件，其他邮箱如果没有收到可能在垃圾邮件中，其中gmail与教育网邮箱的激活邮件有时比较慢，请耐心等待。
+  label_your_course: 您的课程《
+  label_have_message :  》有新的留言
   label_all_revisions: 所有版本：
   label_upassword_info: 该密码在项目组内可共享
   label_how_commit_code: 查看如何提交代码：