diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index 9393339a8..e5e1bf391 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -63,7 +63,7 @@ class StudentWorkController < ApplicationController
       journal_for_teacher.update_attributes(:viewed => true)
     end
     #不能参与作业匿评消息状态更新
-    no_evaluation = CourseMessage.where("user_id =? and course_id =? and course_message_type =? and viewed =?", User.current.id, @homework.course, "NoEvaluation", 0)
+    no_evaluation = CourseMessage.where("user_id =? and course_id =? and course_message_type =? and viewed =? and status =?", User.current.id, @homework.course, "StudentWork", 0, 0)
     no_evaluation.update_all(:viewed => true)
     # 作品留言
     # 消息end
@@ -144,6 +144,10 @@ class StudentWorkController < ApplicationController
   end
 
   def new
+    #更新消息
+    noEvaluation = @homework.course_messages.where("user_id =? and viewed =?", User.current.id, 0)
+    noEvaluation.update_all(:viewed => true)
+
     if @homework.homework_type==2
       redirect_to new_user_commit_homework_users_path(homework_id: @homework.id)
       return
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index ef3210719..7adba7cbf 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -128,7 +128,7 @@ class UsersController < ApplicationController
 
       #课程相关消息
       when 'homework'
-        @message_alls = CourseMessage.where("course_message_type in ('HomeworkCommon','StudentWorksScore','JournalsForMessage','NoEvaluation') and user_id =?",  @user).order("created_at desc")
+        @message_alls = CourseMessage.where("course_message_type in ('HomeworkCommon','StudentWorksScore','JournalsForMessage','StudentWork') and user_id =?",  @user).order("created_at desc")
       when 'course_message'
         @message_alls = CourseMessage.where("course_message_type =? and user_id =?", "Message", @user).order("created_at desc")
       when 'course_news'
diff --git a/app/models/student_work.rb b/app/models/student_work.rb
index 700613792..010ede635 100644
--- a/app/models/student_work.rb
+++ b/app/models/student_work.rb
@@ -8,6 +8,8 @@ class StudentWork < ActiveRecord::Base
   has_many :student_works_scores, :dependent => :destroy
   belongs_to :project
   has_many :student_work_tests, order: 'id desc'
+  # course's message
+  has_many :course_messages, :class_name =>'CourseMessage', :as => :course_message, :dependent => :destroy
 
   before_destroy :delete_praise
   before_save :set_program_score, :set_src
@@ -138,10 +140,10 @@ class StudentWork < ActiveRecord::Base
     end
   end
 
+  # status == 0 : delay
   def act_as_message
     if self.created_at > self.homework_common.end_time + 1
-      CourseMessage.create(:user_id => self.user_id, :course_id => self.homework_common.course_id,
-                             :course_message_id => self.id, :course_message_type => 'NoEvaluation',:viewed => false)
+      self.course_messages << CourseMessage.new(:user_id => self.user_id, :course_id => self.homework_common.course_id, :viewed => false, :status => false)
     end
   end
 end
diff --git a/app/views/users/_user_message_course.html.erb b/app/views/users/_user_message_course.html.erb
index 6c22976fd..86b44f66d 100644
--- a/app/views/users/_user_message_course.html.erb
+++ b/app/views/users/_user_message_course.html.erb
@@ -37,7 +37,7 @@
           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
         </ul>
     <% end %>
-    <% if ma.course_message_type == "HomeworkCommon" && ma.status.nil? && !ma.course_message.nil? %>
+    <% if ma.course_message_type == "HomeworkCommon" %>
         <ul class="homepageNewsList fl">
           <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><%=link_to image_tag(url_to_avatar(ma.course_message.user), :width => "30", :height => "30"), user_path(ma.course_message.user) %></a></li>
           <li class="homepageNewsPubType fl"><%=link_to ma.course_message.user.lastname + ma.course_message.user.firstname + "老师", user_path(ma.course_message.user), :class => "newsBlue homepageNewsPublisher" %>
@@ -376,27 +376,27 @@
         <% end %>
     <% end %>
     <!-- 作业迟交，不能参与匿评提醒消息 -->
-    <% if ma.course_message_type == "NoEvaluation" %>
+    <% if ma.course_message_type == "StudentWork" && !ma.course_message.homework_common.nil? %>
         <ul class="homepageNewsList fl">
           <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"></a></li>
           <li class="homepageNewsPubType fl">
             <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">迟交作业，不能参与作业匿评！</span>
           </li>
-          <% student_work = StudentWork.find(ma.course_message_id)%>
           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-            <%= link_to "由于迟交作业，您及您的作品都不能参与作业的匿评", student_work_index_path(:homework => student_work.homework_common_id),
+            <%= link_to "由于迟交作业，您及您的作品都不能参与作业的匿评", student_work_index_path(:homework => ma.course_message.homework_common_id),
                         :class => "#{ma.viewed==0 ? "newsBlack" : "newsGrey"}",
                         :onmouseover => "message_titile_show($(this),event)",
-                        :onmouseout => "message_titile_hide($(this))" %></a></li>
+                        :onmouseout => "message_titile_hide($(this))" %></a>
+          </li>
           <div style="display: none" class="message_title_red system_message_style">
             <p>
               <%= User.current.lastname + User.current.firstname %>
-              <%= User.current.allowed_to?(:as_teacher,student_work.homework_common.course) ? '老师':'同学'%>您好！由于迟交作业，您及您的作品都不能参与以下作业的匿评。作业详情如下：
+              <%= User.current.allowed_to?(:as_teacher,ma.course_message.homework_common.course) ? '老师':'同学'%>您好！由于迟交作业，您及您的作品都不能参与以下作业的匿评。作业详情如下：
             </p>
-            <p>课程名称：<%= student_work.homework_common.course.name %>(<%= student_work.homework_common.course.time.to_s + '年' + student_work.homework_common.course.term %>)</p>
-            <p>作业标题：<span style="color:Red;"><%=student_work.homework_common.name %></span></p>
-            <p>提交截止：<span style="color:Red;"><%=student_work.homework_common.end_time %>&nbsp;24:00</span></p>
-            <p>提交时间：<span style="color:Red;"><%=format_time(student_work.created_at) %></span></p>
+            <p>课程名称：<%= ma.course_message.homework_common.course.name %>(<%= ma.course_message.homework_common.course.time.to_s + '年' + ma.course_message.homework_common.course.term %>)</p>
+            <p>作业标题：<span style="color:Red;"><%=ma.course_message.homework_common.name %></span></p>
+            <p>提交截止：<span style="color:Red;"><%=ma.course_message.homework_common.end_time %>&nbsp;24:00</span></p>
+            <p>提交时间：<span style="color:Red;"><%=format_time(ma.course_message.created_at) %></span></p>
           </div>
           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
         </ul>