diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 9c6492448..7fcd7f260 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -300,6 +300,7 @@ class UsersController < ApplicationController
       @page = params[:page] ? params[:page].to_i + 1 : 0
       user_course_ids =  @user.courses.empty? ? "(-1)" :"(" + @user.courses.visible.map{|course| course.id}.join(",") + ")"
       @homework_commons = HomeworkCommon.where("course_id in #{user_course_ids}").order("created_at desc").limit(10).offset(@page * 10)
+      @is_teacher = User.current.user_extensions && User.current.user_extensions.identity == 0 && User.current.allowed_to?(:add_course, nil, :global => true)
       respond_to do |format|
         format.js
         format.html {render :layout => 'new_base_user'}
diff --git a/app/views/users/_user_homework_list.html.erb b/app/views/users/_user_homework_list.html.erb
index 1a24b1499..642373d58 100644
--- a/app/views/users/_user_homework_list.html.erb
+++ b/app/views/users/_user_homework_list.html.erb
@@ -35,8 +35,8 @@
             <%= render :partial => 'student_work/work_attachments', :locals => {:attachments => homework_common.attachments} %>
             <div class="cl"></div>
           </div>
-          <%# if is_teacher%>
-          <% if false%>
+          <% if is_teacher%>
+          <%# if false%>
               <div class="homepagePostSetting">
                 <ul>
                   <li class="homepagePostSettingIcon">
diff --git a/app/views/users/user_homeworks.html.erb b/app/views/users/user_homeworks.html.erb
index e925ccd6b..b3aaf5ece 100644
--- a/app/views/users/user_homeworks.html.erb
+++ b/app/views/users/user_homeworks.html.erb
@@ -17,7 +17,7 @@
 </div>
 <div class="cl"></div>
 
-<% if User.current.user_extensions && User.current.user_extensions.identity == 0 && User.current.allowed_to?(:add_course, nil, :global => true)%>
+<% if @is_teacher%>
     <!-- 老师身份才可以发布作业 -->
     <div class="HomeWork mb10">
       <% homework = HomeworkCommon.new %>
diff --git a/public/images/homepage_icon2.png b/public/images/homepage_icon2.png
index 6cbde8f62..d39624a2e 100644
Binary files a/public/images/homepage_icon2.png and b/public/images/homepage_icon2.png differ
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index f2521f0d7..df6d4d632 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -499,8 +499,8 @@ a.coursesLineGrey:hover {color:#ffffff;}
 .homepageLeftMenuMore {height:18px;}
 .homepageLeftMenuMore:hover {background-color:#269ac9;}
 .homepageLeftMenuMoreIcon {background:url(../images/homepage_icon.png) -74px -240px no-repeat; display:block; height:18px;}
-.homepageMenuSetting {display:inline-block; background:url(../images/homepage_icon.png) -190px -365px no-repeat; width:15px; height:15px; margin-top: 16px; margin-right: 15px;}
-.homepageMenuSetting:hover {background:url(../images/homepage_icon.png) -190px -407px no-repeat;}
+.homepageMenuSetting {display:inline-block; background:url(../images/homepage_icon2.png) -190px -365px no-repeat; width:15px; height:15px; margin-top: 16px; margin-right: 15px;}
+.homepageMenuSetting:hover {background:url(../images/homepage_icon2.png) -190px -407px no-repeat;}
 a.homepageMenuText {color:#484848; font-size:16px; margin-left:20px;}
 .homepageLeftLabelContainer {width:238px; border:1px solid #dddddd; background-color:#ffffff; margin-top:10px;}
 .homepageLabelText {color:#484848; font-size:16px; margin-left:10px; margin-bottom:12px; display:block;}