diff --git a/app/views/blogs/_homepage.html.erb b/app/views/blogs/_homepage.html.erb
index a16547836..ea83b9576 100644
--- a/app/views/blogs/_homepage.html.erb
+++ b/app/views/blogs/_homepage.html.erb
@@ -1,6 +1,5 @@
 <div class="resources mt10" id="user_activity_<%= user_activity_id%>" >
   <div class="homepagePostBrief" onmouseover="$('#homepage_message_setting_<%=activity.id%>').show();" onmouseout="$('#homepage_message_setting_<%= activity.id%>').hide();">
-    <div class="homepagePostDes">
       <% if activity.author.id == User.current.id%>
           <div class="homepagePostSetting" id="homepage_message_setting_<%= activity.id%>" style="display: none">
             <ul>
@@ -35,7 +34,6 @@
             </ul>
           </div>
       <%end%>
-      <div class="cl"></div>
       <div class="homepagePostTitle hidden m_w530">
         <%= link_to activity.title.to_s.html_safe, user_blog_blog_comment_path(:user_id=>activity.author_id,
                    :blog_id=>activity.blog.id,:id=>activity), :class=> "postGrey", :style => 'text-align:center;' %>
@@ -45,7 +43,6 @@
       <div class="cl"></div>
       <div id="intro_content_show_<%= user_activity_id%>" class="fr" style="display:none;"><a href="javascript:void(0);" class="linkBlue">[展开]</a></div>
       <div id="intro_content_hide_<%= user_activity_id%>" class="fr" style="display:none;"><a href="javascript:void(0);" class="linkBlue">[收起]</a></div>
-    </div>
     <div class="cl"></div>
   </div>
   <% all_comments = []%>
diff --git a/app/views/layouts/_course_base_info.html.erb b/app/views/layouts/_course_base_info.html.erb
index 06e24e0c2..761b79297 100644
--- a/app/views/layouts/_course_base_info.html.erb
+++ b/app/views/layouts/_course_base_info.html.erb
@@ -11,15 +11,15 @@
 </p>
 
 <% if is_teacher %>
-    <div class="homepagePostSetting" >
+    <div class="sy_class_setting" >
       <ul>
-        <li class="homepagePostSettingIcon">
-          <ul class="homepagePostSettiongText">
-            <li><%= link_to "班级配置", {:controller => 'courses', :action => 'settings', :id => @course}, :class => "postOptionLink" %></li>
-            <li><%= link_to @course.is_public == 0 ? "设为公开" : "设为私有", {:controller => 'courses', :action => 'private_or_public', :id => @course},:remote=>true,:confirm=>"您确定要设置为"+(@course.is_public == 0 ? "公开" : "私有")+"吗", :class => "postOptionLink" %></li>
-            <li><%= link_to "复制学期", copy_course_course_path(@course.id),:remote=>true, :class => "postOptionLink" %></li>
+        <li class="sy_class_setting_icon">
+          <ul class="sy_class_setting_text">
+            <li><%= link_to "班级配置", {:controller => 'courses', :action => 'settings', :id => @course}, :class => "sy_class_option" %></li>
+            <li><%= link_to @course.is_public == 0 ? "设为公开" : "设为私有", {:controller => 'courses', :action => 'private_or_public', :id => @course},:remote=>true,:confirm=>"您确定要设置为"+(@course.is_public == 0 ? "公开" : "私有")+"吗", :class => "sy_class_option" %></li>
+            <li><%= link_to "复制学期", copy_course_course_path(@course.id),:remote=>true, :class => "sy_class_option" %></li>
             <% if @course.syllabus %>
-                <li><%= link_to "进入课程", syllabus_path(@course.syllabus), :class => "postOptionLink", :target => "_blank" %></li>
+                <li><%= link_to "进入课程", syllabus_path(@course.syllabus), :class => "sy_class_option", :target => "_blank" %></li>
             <% end %>
           </ul>
         </li>
diff --git a/public/stylesheets/css/common.css b/public/stylesheets/css/common.css
index b72a8ef56..07e824d40 100644
--- a/public/stylesheets/css/common.css
+++ b/public/stylesheets/css/common.css
@@ -51,6 +51,10 @@ a.btn_message_free{ background:#ff5722; display:block;  text-align:center; color
 .break_word{word-break: break-all;word-wrap: break-word;}
 .break_word_firefox{white-space: pre-wrap !important;word-break: break-all;}
 
+/*显隐*/
+.undis {display:none;}
+.dis {display:inline-block;}
+
 /* font & color */
 h2{ font-size:18px;} /*color:#269ac9;*/
 h3{ font-size:14px;}/* color:#e8770d;*/
@@ -520,7 +524,6 @@ a:hover.bgreen_n_btn{background:#08a384;}
 .upbtn{ margin:40px 0 0 15px; display:block; padding:2px 5px; border:1px solid #eaeaea;}
 .upbtn:hover{color:#64bdd9;cursor: pointer;}
 .upload_file{margin-left: -60px;margin-top: 40px;width: 50px;position: absolute;height: 24px;opacity: 0;cursor: pointer}
-.undis{display:none;}
 .red_btn_cir{ background:#e74c3c; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal;font-size:12px;white-space:nowrap;}
 .green_btn_cir{ background:#28be6c; padding:1px 10px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal;font-size:12px;white-space:nowrap;}
 .green_homework_btn_cir{ background:#28be6c; padding:1px 3px; -moz-border-radius:2px;  -webkit-border-radius:2px;  border-radius:2px; color:#fff; font-weight:normal;font-size:12px;white-space:nowrap;}
diff --git a/public/stylesheets/css/courses.css b/public/stylesheets/css/courses.css
index ccf161725..a5bb95fa1 100644
--- a/public/stylesheets/css/courses.css
+++ b/public/stylesheets/css/courses.css
@@ -54,8 +54,6 @@ a:hover.UsersApBtn{border:1px solid #888888; }
 /* 代码查重弹框 */
 a.Blue-btn{ display:block; margin-right:15px;width:65px; height:22px; background-color:#ffffff; line-height:24px; vertical-align:middle;  text-align:center; border:1px solid #3598db; color:#3598db;  -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px;}
 a:hover.Blue-btn{ background:#3598db; color:#fff;}
-.fl{ float:left;}
-.fr{ float:right;}
 .blue-border-box{ width:500px; padding:20px; margin:0 auto; background:#fff;}
 .box-con h4{ font-size:14px; font-weight: bold; width:450px; text-align:center;}
 .box-con{ width:450px; margin:0 auto; text-align:center;}
diff --git a/public/stylesheets/css/org.css b/public/stylesheets/css/org.css
index 028254e04..3677c8bd8 100644
--- a/public/stylesheets/css/org.css
+++ b/public/stylesheets/css/org.css
@@ -27,8 +27,6 @@ a.saveBtn:hover {background-color:#297fb8;}
 .orgMemContainer {width:268px;}
 .orgMemberAdd {float:right;}
 .orgAddSearch {border:1px solid #dddddd; outline:none; width:180px; height:22px; color:#9b9b9b;}
-.undis {display:none;}
-.dis {display:inline-block;}
 
 a.org_member_btn{ padding:1px 5px; background:#15bccf; color:#fff;}
 
diff --git a/public/stylesheets/css/public.css b/public/stylesheets/css/public.css
index 82e27aa1f..51f9831b4 100644
--- a/public/stylesheets/css/public.css
+++ b/public/stylesheets/css/public.css
@@ -471,8 +471,6 @@ a:hover.AnnexBtn{background: url(../images/homepage_icon2.png) -90px -343px no-r
 a.postRouteLink {font-weight:bold; color:#484848;}
 a.postRouteLink:hover {text-decoration:underline;}
 
-.homepagePostSetting {position:absolute; width:20px; height:20px; right:0px; top:0px;}
-.homepagePostSetting ul li:hover ul {display:block;}
 .resourceSendO {width:65px; line-height:2; font-size:12px; color:#616060; background-color:#ffffff; border:1px solid #eaeaea; border-radius:3px; position:absolute; left:-48px; top:20px; padding:2px 0px; display:none;}
 
 .ReplyToMessageContainer {border-bottom:1px solid #e3e3e3; width:632px; margin:0px auto; margin-top:15px; min-height:60px;}
@@ -499,7 +497,6 @@ ul.wlist li a:hover{ background:#15bccf; color:#fff; text-decoration:none;}
 .wlist_select a{background-color: #64bdd9;cursor: default;}
 
 /*博客列表界面样式*/
-a{text-decoration:none}
 .listbox{ width:730px; background-color:#fff; border:1px solid #ddd; padding:10px; }
 /*.bloglistbox{ min-height:690px;}*/
 .list-h2{ font-size:16px; font-weight:bold; color:#000; padding-bottom:5px;}
@@ -543,8 +540,6 @@ a:hover.st_img { border:1px solid #1c9ec7; }
 .searchCourseImage {width:75px; margin-right:10px;}
 .searchContentDes {width:883px;}
 .searchTag {font-size:12px; color:#ffffff; background-color:#7ec8e4; height:16px; min-height:16px; max-height:16px; float:left; line-height:16px; padding:0px 3px;}
-.undis {display:none;}
-.dis {display:inline-block;}
 .numRed {color:#FF6600;}
 .pageRoll {float:right; border-left:1px solid #dddddd; margin-top:15px;}
 .pageCell {border:1px solid #dddddd; padding:5px 12px; float:left; margin-left:-1px; position:relative;}
@@ -977,6 +972,8 @@ a:hover.pr_join_a{ background:#298fbd;}
 .lg-foot:hover{ color:#787b7e; border:1px solid #d4d4d4;}
 /****标签(和资源库的tag样式一致)***/
 .project_Label{ width:220px; padding:10px; background:#fff; margin-top:10px;  padding-top:5px; margin-bottom:10px;}
+/*.project_Label{ width:218px; padding:10px; background:#fff; margin-top:10px;  padding-top:5px; margin-bottom:10px; border:1px solid #dddddd;}*/
+.project_Label_New {width:218px; padding-left:10px; background:#fff; margin-top:15px; margin-bottom:10px;}
 a.yellowBtn{ display:inline-block;color:#0d90c3; height:22px;}
 .submit{height:21px;border:0; cursor:pointer; background:url(../images/btn.png) no-repeat  0 0;width:42px; margin-top:2px; margin-left:3px; }
 .isTxt{background:#fbfbfb url(../images/inputBg.png) repeat-x left top;height:22px;line-height:22px;border:1px solid #c1c1c1;padding:0 5px;color:#666666;}
diff --git a/public/stylesheets/css/structure.css b/public/stylesheets/css/structure.css
index be8bbc65b..5993d824d 100644
--- a/public/stylesheets/css/structure.css
+++ b/public/stylesheets/css/structure.css
@@ -239,9 +239,9 @@ a.postReplyCancel:hover {color:#ffffff;}
 .whiteSettingIcon {background:url(/images/hwork_icon.png) -5px -302px no-repeat; width:20px; height:20px;}
 .whiteSettingIcon:hover {background:url(/images/homepage_icon.png) -93px -44px no-repeat;}
 a.postOptionLink {color:#616060; display:block; width:55px; padding:0px 15px;text-align:center;}
-a.postOptionLink:hover {color:#ffffff; background-color:#269ac9;}
+a.postOptionLink:hover {color:#ffffff; background-color:#3b94d6;}
 a.postOptionLink2 {color:#616060; display:block; width:35px; padding:0px 15px;}
-a.postOptionLink2:hover {color:#ffffff; background-color:#269ac9;}
+a.postOptionLink2:hover {color:#ffffff; background-color:#3b94d6;}
 .homepagePostReplyPortrait {float:left; width:33px;}
 .imageFuzzy {filter:alpha(opacity=50); -moz-opacity:0.5; -khtml-opacity:0.5;opacity: 0.5;}
 .homepagePostReplyDes {float:left; width:642px; margin-left:15px;}
@@ -337,7 +337,6 @@ a.projectsLineGrey:hover {color:#ffffff;}
 a.homepageMenuText {color:#484848; font-size:16px; margin-left:20px;}
 a.homepageMenuControl {float:left; width:180px;}
 .homepageLeftLabelContainer {width:238px; border:1px solid #dddddd; background-color:#ffffff; margin-top:10px;}
-.project_Label_New {width:218px; padding-left:10px; background:#fff; margin-top:15px; margin-bottom:10px;}
 .homepageLabelText {color:#484848; font-size:16px; margin-left:10px; margin-bottom:12px; display:block;}
 .homepageRightBanner {width:718px; margin:0px auto; float:right; background-color: #ffffff; padding:10px 15px; border:1px solid #dddddd;}
 .homepageRightBannerImg{width:1000px; margin:0px auto;  height: 60px; margin-top: 10px; background:url(/images/TeachersDay.jpg)}
diff --git a/public/stylesheets/sy_public.css b/public/stylesheets/sy_public.css
index 7c79bf6e6..f31737bfc 100644
--- a/public/stylesheets/sy_public.css
+++ b/public/stylesheets/sy_public.css
@@ -140,7 +140,6 @@ a.pages-big{
 }
 .pages{
     width:330px;
-
     margin:20px auto 10px;
 }
 /* 输入框 */
diff --git a/public/stylesheets/syllabus.css b/public/stylesheets/syllabus.css
index 3b856ad67..848f874d1 100644
--- a/public/stylesheets/syllabus.css
+++ b/public/stylesheets/syllabus.css
@@ -1,13 +1,3 @@
-/****标签(和资源库的tag样式一致)***/
-.project_Label{ width:218px; padding:10px; background:#fff; margin-top:10px;  padding-top:5px; margin-bottom:10px; border:1px solid #dddddd;}
-.project_Label_New {width:218px; padding-left:10px; background:#fff; margin-top:15px; margin-bottom:10px;}
-a.yellowBtn{ display:inline-block;color:#0d90c3; height:22px;}
-.submit{height:21px;border:0; cursor:pointer; background:url(../images/btn.png) no-repeat  0 0;width:42px; margin-top:2px; margin-left:3px; }
-.isTxt{background:#fbfbfb url(../images/inputBg.png) repeat-x left top;height:22px;line-height:22px;border:1px solid #c1c1c1;padding:0 5px;color:#666666;}
-.re_tag{ width: auto; padding:0 5px; padding-top:2px; border:1px solid #f8df8c; background:#fffce6; margin-right:5px;  }
-.re_tag a{ color:#0d90c3;}
-.tag_h{ }
-.tag_h span,.tag_h a{ margin-bottom:5px;}
 /*信息*/
 .project_info{ background:#fff; padding:10px 8px; width:222px;  margin-bottom:10px; border:1px solid #dddddd;}
 .pr_info_id{ width:130px; color:#5a5a5a; font-size:14px; margin-top:5px;}
@@ -112,14 +102,11 @@ input.syllabus_input_min{
 .syllabus_class_list_more a{ color:#ff7e00;}
 .syllabus_class_title{ font-size:14px; color:#333; width:500px; margin-bottom:3px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
 .syllabus_class_w{ width:650px;}
-.dis {display:block;}
-.undis {display:none;}
 
 /*班级列表界面(用的博客列表的样式)*/
 .listbox{ width:730px; background-color:#fff; border:1px solid #ddd; padding:10px; }
 .bloglistbox{ min-height:690px;}
 .list-h2{ font-size:16px; font-weight:bold; color:#000; padding-bottom:5px;}
-.category2{ }
 .list_title{padding:10px 0; border-bottom:1px solid #ddd;}
 .category2 a,.category2 span{ float:left; margin-right:5px;}
 .grayTxt{ color:#9093a6;}
@@ -131,7 +118,6 @@ a.sort_no{ background: url(../images/syllabus/icons_syllabus.png) -16px -12px no
 .item_list{ display:block; width:5px; height:5px;-webkit-border-radius: 25px;border-radius:25px; background-color:#adadad; margin:10px 10px 0 0;}
 a.list-title{ font-size:14px; font-weight: bold; color:#000;white-space:nowrap; overflow:hidden; text-overflow:ellipsis; display:block;}
 a:hover.list-title{ color:#269ac9;}
-.c_red{ font-weight:normal; font-size:12px;}
 .list-file{ padding:10px 0; border-bottom:1px dashed #ddd;}
 .list-file li{ line-height:1.9;}
 .list-info span{ margin-left:5px;}
@@ -208,12 +194,6 @@ a:hover.course-title{ color:#269ac9;}
 .sy_tab_nomal {
     border-bottom:none;
 }
-.undis {
-    display:none;
-}
-.dis {
-    display:block;
-}
 /* 课程大纲 */
 .icons_tishi{
     width: 110px;
@@ -324,22 +304,22 @@ a:hover.sy_teachers_name{
     border:1px solid #e5e5e5;
     position: relative;
 }
-.homepagePostSetting {
+.sy_class_setting {
     position:absolute;
     width:20px;
     height:20px;
     right:10px;
     top:10px;
 }
-.homepagePostSetting ul li:hover ul {
+.sy_class_setting ul li:hover ul {
     display:block;
 }
-.homepagePostSettingIcon {
-    background:url(../images/sy/icons_sy.png) 1px -408px no-repeat;
+.sy_class_setting_icon {
+    background:url(../images/homepage_icon.png) -93px -5px no-repeat;
     width:20px;
     height:20px;
 }
-.homepagePostSettiongText {
+.sy_class_setting_text {
     width:75px;
     text-align: center;
     line-height:2;
@@ -355,16 +335,16 @@ a:hover.sy_teachers_name{
     display:none;
     box-shadow: 0px 2px 8px rgba(146, 153, 169, 0.5);
 }
-.homepagePostSettingIcon:hover {
-    background:url(../images/sy/icons_sy.png) -28px -408px no-repeat;
+.sy_class_setting_icon:hover {
+    background:url(../images/homepage_icon.png) -93px -44px no-repeat;
 }
-a.postOptionLink {
+a.sy_class_option {
     color:#616060;
     display:block;
     width:55px;
     padding:0px 10px;
 }
-a.postOptionLink:hover {
+a.sy_class_option:hover {
     color:#fff;
     background-color:#3b94d6;
 }