diff --git a/app/views/layouts/base_courses.html.erb b/app/views/layouts/base_courses.html.erb
index cb5c2502f..4e3d10558 100644
--- a/app/views/layouts/base_courses.html.erb
+++ b/app/views/layouts/base_courses.html.erb
@@ -126,7 +126,7 @@
         <%# 工具栏展开 %>
         <% if @course.homework_commons.count == 0 || @course.news.count == 0 || course_file_num == 0 || course_poll_count == 0 || @course.exercises.count == 0 ||
              course_feedback_count == 0 || @course.exercises.count == 0 || (@course.boards.first ? @course.boards.first.topics.count : 0) == 0 %>
-            <div class="subNav subNav_jiantou" id="expand_tools_expand" nhtype="toggle4cookie" data-id="expand_tool_more" data-target="#navContentCourse" data-val="retract"><%= l(:label_project_more) %></div>
+            <div class="subNav subNav_jiantou" id="expand_tools_expand"><%= l(:label_project_more) %></div>
             <ul class="navContent" id="navContentCourse">
               <%= render 'courses/tool_expand', :locals => {:is_teacher => is_teacher, :course_file_num => course_file_num} %>
             </ul>
@@ -292,6 +292,9 @@
         obj.parent().parent().next("div").hide();
     }
 
+    $("#expand_tools_expand").click(function(){
+       $("#navContentCourse").toggle();
+    });
 </script>
 
 </html>
\ No newline at end of file
diff --git a/app/views/layouts/base_projects.html.erb b/app/views/layouts/base_projects.html.erb
index 58289b352..b7e8a5d6d 100644
--- a/app/views/layouts/base_projects.html.erb
+++ b/app/views/layouts/base_projects.html.erb
@@ -245,6 +245,10 @@
           $('#ajax-modal').parent().css("top","40%").css("left","36%");
           $('#ajax-modal').parent().addClass("popbox_polls");
       }
+
+      $("#expand_tools_expand").click(function(){
+          $("#navContent").toggle();
+      });
   </script>
 </div>
 
diff --git a/app/views/projects/_development_group.html.erb b/app/views/projects/_development_group.html.erb
index 95d0fccf6..6cac445ee 100644
--- a/app/views/projects/_development_group.html.erb
+++ b/app/views/projects/_development_group.html.erb
@@ -54,7 +54,7 @@
   </div>
 <% end %>
 <!-- more -->
-<div class="subNav subNav_jiantou" id="expand_tools_expand" nhtype="toggle4cookie" data-id="expand_tool_more" data-target="#navContent" data-val="retract"><%= l(:label_project_more) %></div>
+<div class="subNav subNav_jiantou" id="expand_tools_expand"><%= l(:label_project_more) %></div>
 <ul class="navContent" id="navContent">
   <%= render 'projects/tools_expand' %>
 </ul>