diff --git a/app/views/users/user_messages.html.erb b/app/views/users/user_messages.html.erb
index c7443ecf3..375657d0d 100644
--- a/app/views/users/user_messages.html.erb
+++ b/app/views/users/user_messages.html.erb
@@ -78,7 +78,11 @@
                       <li class="homepageNewsContent fl">
                         <%= link_to ma.course_message.title, {:controller => 'news', :action => 'show', :id => ma.course_message.id },
                                     :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
-                                    :title => "#{ma.course_message.title}" %></li>
+                                    :onmouseover =>"message_titile_show($(this),event)",
+                                    :onmouseout => "message_titile_hide($(this))" %></li>
+                      <div  style="display: none" class="message_title_red system_message_style">
+                        <%= ma.course_message.title.html_safe %>
+                      </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
                 <% end %>
@@ -91,7 +95,7 @@
                                     :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
                                     :onmouseover =>"message_titile_show($(this),event)",
                                     :onmouseout => "message_titile_hide($(this))" %></li>
-                      <div  style="display: none" class="message_title">
+                      <div  style="display: none" class="message_title_red system_message_style">
                         <%= ma.course_message.comments.html_safe %>
                       </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
@@ -102,7 +106,13 @@
                       <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, user_path(ma.course_message.user), :class => "newsBlue homepageNewsPublisher" %><span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">发布了作业：</span></li>
                       <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                        <%= link_to ma.course_message.name, student_work_index_path(:homework => ma.course_message.id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}", :title => "#{ma.course_message.name}" %></a></li>
+                        <%= link_to ma.course_message.name, student_work_index_path(:homework => ma.course_message.id),
+                                    :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                    :onmouseover =>"message_titile_show($(this),event)",
+                                    :onmouseout => "message_titile_hide($(this))" %></a></li>
+                      <div  style="display: none" class="message_title_red system_message_style">
+                        <%= ma.course_message.name %>
+                      </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
                 <% end %>
@@ -112,13 +122,24 @@
                       <li class="homepageNewsPubType fl"><%=link_to ma.course_message.user, user_path(ma.course_message.user), :class => "newsBlue homepageNewsPublisher" %><span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">发布的作业：</span></li>
                       <% if ma.viewed == 0 %>
                           <li class="homepageHomeworkContent fl">
-                            <%= link_to ma.course_message.name, student_work_index_path(:homework => ma.course_message.id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}", :title => "#{ma.course_message.name}" %>
+                            <%= link_to ma.course_message.name, student_work_index_path(:homework => ma.course_message.id),
+                                        :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                        :onmouseover =>"message_titile_show($(this),event)",
+                                        :onmouseout => "message_titile_hide($(this))" %>
                           </li>
+                          <div  style="display: none" class="message_title_red system_message_style">
+                            <%= ma.course_message.name %>
+                          </div>
                           <li  class="homepageHomeworkContentWarn fl"> &nbsp;&nbsp; 截止时间快到了！</li>
                       <% else %>
                           <li class="homepageNewsContent fl">
-                            <%= link_to ma.course_message.name, student_work_index_path(:homework => ma.course_message.id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}", :title => "#{ma.course_message.name}" %>
+                            <%= link_to ma.course_message.name, student_work_index_path(:homework => ma.course_message.id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                        :onmouseover =>"message_titile_show($(this),event)",
+                                        :onmouseout => "message_titile_hide($(this))"%>
                           </li>
+                          <div  style="display: none" class="message_title_red system_message_style">
+                            <%= ma.course_message.name %>
+                          </div>
                       <% end %>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
@@ -130,7 +151,11 @@
                       <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
                         <%= link_to format_activity_title(" #{ma.course_message.polls_name.nil? ? "未命名问卷" : ma.course_message.polls_name}"), poll_path(ma.course_message.id),
                                     :class=>"#{ma.viewed==0?"newsBlack":"newsGrey"}",
-                                    :title => "#{ma.course_message.polls_name}" %></a></li>
+                                    :onmouseover =>"message_titile_show($(this),event)",
+                                    :onmouseout => "message_titile_hide($(this))" %></a></li>
+                      <div  style="display: none" class="message_title_red system_message_style">
+                        <%= ma.course_message.polls_name %>
+                      </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
                 <% end %>
@@ -149,7 +174,7 @@
                                         :class => "#{ma.viewed==0 ? "newsBlack" : "newsGrey"}",
                                         :onmouseover =>"message_titile_show($(this),event)",
                                         :onmouseout => "message_titile_hide($(this))" %></a></li>
-                          <div  style="display: none" class="message_title" >
+                          <div  style="display: none" class="message_title_red system_message_style" >
                             <%= ma.course_message.content.html_safe %>
                           </div>
                       <% end %>
@@ -163,7 +188,13 @@
                       <li class="homepageNewsPubType fl"><%=link_to ma.course_message.user, user_path(ma.course_message.user), :class => "newsBlue homepageNewsPublisher" %><span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>"><%= ma.status == 0 ? "评阅了作品：" : "重新评阅了作品:" %></span></li>
                       <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
                         <% unless ma.content.nil? %>
-                            <%= link_to ma.content.html_safe, student_work_index_path(:homework => ma.course_message.student_work.homework_common_id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",:title => "#{ma.content.html_safe}" %></a></li>
+                            <%= link_to ma.content.html_safe, student_work_index_path(:homework => ma.course_message.student_work.homework_common_id),
+                                        :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                        :onmouseover =>"message_titile_show($(this),event)",
+                                        :onmouseout => "message_titile_hide($(this))" %></a></li>
+                            <div  style="display: none" class="message_title_red system_message_style" >
+                              <%= ma.content.html_safe %>
+                            </div>
                         <% end %>
                         <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                         </ul>
@@ -183,7 +214,7 @@
                                         :onmouseover => "message_titile_show($(this),event)",
                                         :onmouseout => "message_titile_hide($(this))" %></a>
                           </li>
-                          <div style="display: none" class="message_title">
+                          <div style="display: none" class="message_title_red system_message_style">
                             <%= ma.course_message.notes.html_safe %>
                           </div>
                           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
@@ -198,8 +229,13 @@
                             <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl" : "homepageNewsType fl" %>">回复了作品评论：</span>
                           </li>
                           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                            <%= link_to ma.course_message.notes, student_work_index_path(:homework => ma.course_message.jour.student_work.homework_common_id), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}", :title => "#{ma.course_message.notes}" %></a>
+                            <%= link_to ma.course_message.notes, student_work_index_path(:homework => ma.course_message.jour.student_work.homework_common_id), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                        :onmouseover => "message_titile_show($(this),event)",
+                                        :onmouseout => "message_titile_hide($(this))" %></a>
                           </li>
+                          <div style="display: none" class="message_title_red system_message_style">
+                            <%= ma.course_message.notes %>
+                          </div>
                           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                         </ul>
                     <% end %>
@@ -217,8 +253,13 @@
                         <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl" : "homepageNewsType fl" %>">申请加入项目：</span>
                       </li>
                       <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                        <%= link_to ma.project, settings_project_path(:id => ma.project, :tab => "members"), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",:title => "#{ma.project}" %></a>
+                        <%= link_to ma.project, settings_project_path(:id => ma.project, :tab => "members"), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                    :onmouseover => "message_titile_show($(this),event)",
+                                    :onmouseout => "message_titile_hide($(this))" %></a>
                       </li>
+                      <div style="display: none" class="message_title_red system_message_style">
+                        <%= ma.project %>
+                      </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
                 <% end %>
@@ -232,8 +273,13 @@
                         <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl" : "homepageNewsType fl" %>">指派了问题给你：</span>
                       </li>
                       <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                        <%= link_to ma.forge_message.subject, issue_path(:id => ma.forge_message.id), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",:title => "#{ma.forge_message.subject}" %></a>
+                        <%= link_to ma.forge_message.subject, issue_path(:id => ma.forge_message.id), :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                    :onmouseover => "message_titile_show($(this),event)",
+                                    :onmouseout => "message_titile_hide($(this))" %></a>
                       </li>
+                      <div style="display: none" class="message_title_red system_message_style">
+                        <%= ma.forge_message.subject %>
+                      </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
                 <% end %>
@@ -253,7 +299,7 @@
                                     :onmouseover =>"message_titile_show($(this),event)",
                                     :onmouseout => "message_titile_hide($(this))" %></a>
                       </li>
-                      <div  style="display: none" class="message_title" >
+                      <div  style="display: none" class="message_title_red system_message_style" >
                         <%= get_issue_des_update(ma.forge_message).html_safe %>
                       </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
@@ -266,18 +312,22 @@
                         <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>"><%= ma.forge_message.parent_id.nil? ? "发布了项目帖子：" : "评论了项目帖子：" %></span></li>
                       <% if ma.forge_message.parent_id.nil? %>
                           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                            <%=link_to ma.forge_message.subject, project_boards_path(ma.forge_message.project,
-                                                                                     :parent_id => ma.forge_message.parent_id ? ma.forge_message.parent_id : ma.forge_message.id,
-                                                                                     :topic_id => ma.forge_message.id),:class=>"#{ma.viewed==0?"newsBlack":"newsGrey"}",
-                                       :title => "#{ma.forge_message.subject.html_safe}" %></a></li>
+                            <%= link_to ma.forge_message.subject, project_boards_path(ma.forge_message.project,
+                                        :parent_id => ma.forge_message.parent_id ? ma.forge_message.parent_id : ma.forge_message.id,
+                                        :topic_id => ma.forge_message.id), :class => "#{ma.viewed==0 ? "newsBlack" : "newsGrey"}",
+                                        :onmouseover => "message_titile_show($(this),event)",
+                                        :onmouseout => "message_titile_hide($(this))" %></a></li>
+                          <div style="display: none" class="message_title_red system_message_style">
+                            <%= ma.forge_message.subject.html_safe %>
+                          </div>
                       <% else %>
                           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                            <%=link_to ma.forge_message.content.html_safe, project_boards_path(ma.forge_message.project,
-                                                                                               :parent_id => ma.forge_message.parent_id ? ma.forge_message.parent_id : ma.forge_message.id,
-                                                                                               :topic_id => ma.forge_message.id),:class=>"#{ma.viewed==0?"newsBlack":"newsGrey"}",
-                                       :onmouseover =>"message_titile_show($(this),event)",
-                                       :onmouseout => "message_titile_hide($(this))" %></a></li>
-                          <div  style="display: none" class="message_title">
+                            <%= link_to ma.forge_message.content.html_safe, project_boards_path(ma.forge_message.project,
+                                        :parent_id => ma.forge_message.parent_id ? ma.forge_message.parent_id : ma.forge_message.id,
+                                        :topic_id => ma.forge_message.id), :class => "#{ma.viewed==0 ? "newsBlack" : "newsGrey"}",
+                                        :onmouseover => "message_titile_show($(this),event)",
+                                        :onmouseout => "message_titile_hide($(this))" %></a></li>
+                          <div style="display: none" class="message_title_red system_message_style">
                             <%= ma.forge_message.content.html_safe %>
                           </div>
                       <% end %>
@@ -294,8 +344,14 @@
                         <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">发布了新闻：</span>
                       </li>
                       <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                        <%= link_to ("#{ma.forge_message.title.html_safe}"), {:controller => 'news', :action => 'show', :id => ma.forge_message.id},  :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}", :title => "#{ma.forge_message.title.html_safe}" %></a>
+                        <%= link_to ("#{ma.forge_message.title.html_safe}"), {:controller => 'news', :action => 'show', :id => ma.forge_message.id},
+                                    :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                                    :onmouseover => "message_titile_show($(this),event)",
+                                    :onmouseout => "message_titile_hide($(this))" %></a>
                       </li>
+                      <div style="display: none" class="message_title_red system_message_style">
+                        <%= ma.forge_message.title.html_safe %>
+                      </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
                 <% end %>
@@ -307,8 +363,12 @@
                       <li class="homepageNewsContent fl">
                         <%= link_to "#{ma.forge_message.comments.html_safe}",
                                     {:controller => 'news', :action => 'show', :id => ma.forge_message.commented.id },:class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
-                                    :title => "#{ma.forge_message.comments.html_safe}" %>
+                                    :onmouseover => "message_titile_show($(this),event)",
+                                    :onmouseout => "message_titile_hide($(this))" %>
                       </li>
+                      <div style="display: none" class="message_title_red system_message_style">
+                        <%= ma.forge_message.comments.html_safe %>
+                      </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
                     </ul>
                 <% end %>
@@ -327,15 +387,19 @@
                       <% if ma.memo.parent_id.nil? %>
                           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
                             <%= link_to ma.memo.subject, forum_memo_path(ma.memo.forum_id, ma.memo.parent_id ? ma.memo.parent_id: ma.memo.id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
-                                        :title => "#{ma.memo.subject}" %></a>
+                                        :onmouseover =>"message_titile_show($(this),event)",
+                                        :onmouseout => "message_titile_hide($(this))" %></a>
                           </li>
+                          <div style="display: none" class="message_title_red system_message_style">
+                            <%= ma.memo.subject %>
+                          </div>
                       <% else %>
                           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
                             <%= link_to ma.memo.content.html_safe, forum_memo_path(ma.memo.forum_id, ma.memo.parent_id ? ma.memo.parent_id: ma.memo.id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
                                         :onmouseover =>"message_titile_show($(this),event)",
                                         :onmouseout => "message_titile_hide($(this))" %></a>
                           </li>
-                          <div  style="display: none" class="message_title">
+                          <div  style="display: none" class="message_title_red system_message_style">
                             <p>标题：<%= ma.memo.subject %></p>
                             <p>内容：<%= ma.memo.content.html_safe %></p>
                           </div>
@@ -360,7 +424,7 @@
                                     :onmouseover =>"message_titile_show($(this),event)",
                                     :onmouseout => "message_titile_hide($(this))" %></a>
                       </li>
-                      <div  style="display: none" class="message_title" >
+                      <div  style="display: none" class="message_title_red system_message_style" >
                         <%= ma.journals_for_message.notes.html_safe %>
                       </div>
                       <li class="homepageNewsTime fl"><%= time_tag(ma.journals_for_message.created_on).html_safe %> </li>
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index a7bc0a691..e54a1ba5e 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -985,7 +985,7 @@ img.ui-datepicker-trigger {
     margin-bottom: 3px;
 }
 .message_title{border: 1px solid #9C9C9C;padding: 0.6em;margin-left: 1.4em;margin-right: 0.4em;border-radius: 4px;font-family: "Microsoft YaHei";background-size: 100% 100%;margin-bottom: 5px;background-color: #fff; max-width:400px;word-wrap:break-word; word-break:break-all;}
-.message_title_red{border: 1px solid #484848;padding: 0.6em;margin-left: 1.4em;margin-right: 0.4em;border-radius: 4px;font-family: "Microsoft YaHei";background-size: 100% 100%;margin-bottom: 5px;background-color: #fff;background-image: -moz-linear-gradient(top, #fff, #E0E0E0);}
+.message_title_red{border: 1px solid Red;padding: 0.6em;margin-left: 1.4em;margin-right: 0.4em;color:Red;border-radius: 4px;font-family: "Microsoft YaHei";background-size: 100% 100%;margin-bottom: 5px;background-color: #fff;background-image: -moz-linear-gradient(top, #fff, #E0E0E0);}
 
 .description{display: none !important;}
 .ispublic-label{display: none !important;}