diff --git a/app/controllers/syllabuses_controller.rb b/app/controllers/syllabuses_controller.rb
index 94f05409c..f0d1254bc 100644
--- a/app/controllers/syllabuses_controller.rb
+++ b/app/controllers/syllabuses_controller.rb
@@ -172,6 +172,7 @@ class SyllabusesController < ApplicationController
 
   def members
     @members = @syllabus.syllabus_members.includes(:user => {:user_extensions => [], :courses => []}).order("rank asc")
+    @show = params[:show] ? params[:show].to_i : 0
     respond_to do |format|
       format.js
       format.html{render :layout => 'base_syllabus'}
diff --git a/app/views/layouts/_syllabus_teacher_list.html.erb b/app/views/layouts/_syllabus_teacher_list.html.erb
index c6d6fd59a..817836bbb 100644
--- a/app/views/layouts/_syllabus_teacher_list.html.erb
+++ b/app/views/layouts/_syllabus_teacher_list.html.erb
@@ -1,6 +1,6 @@
 <h3 class="sy_right_title">教师团队
   <% if User.current == @syllabus.user || User.current.admin? %>
-    <a href="<%=members_syllabus_path(syllabus) %>" class="sy_cmore fr mr10" >增加教师</a>
+    <a href="<%=members_syllabus_path(syllabus, :show => 1) %>" class="sy_cmore fr mr10">增加教师</a>
   <% end %>
   <div class="cl"></div>
 </h3>
diff --git a/app/views/student_work/_evaluation_un_group.html.erb b/app/views/student_work/_evaluation_un_group.html.erb
index 75614a909..05cc7c5c1 100644
--- a/app/views/student_work/_evaluation_un_group.html.erb
+++ b/app/views/student_work/_evaluation_un_group.html.erb
@@ -5,7 +5,7 @@
       </div>
       <div id="about_hwork_<%= student_work.id %>"></div>
 
-      <div id="group_member_work_<%= student_work.id%>" class="undis">
+      <div id="group_member_work_<%= student_work.id%>">
         <%= render :partial => 'group_member_work', :locals => {:student_work => student_work} %>
       </div>
   <% end %>
diff --git a/app/views/student_work/_evaluation_un_group_work.html.erb b/app/views/student_work/_evaluation_un_group_work.html.erb
index 5ce2545e7..25b42e5f6 100644
--- a/app/views/student_work/_evaluation_un_group_work.html.erb
+++ b/app/views/student_work/_evaluation_un_group_work.html.erb
@@ -1,5 +1,5 @@
 <div class="sy_courses_open f14 fontGrey3">
-  <span class="icons_sy_close fl mr5" title="点击展开/收起详情" style="cursor: pointer;"></span>
+  <span class="icons_sy_open fl mr5" title="点击展开/收起详情" style="cursor: pointer;"></span>
         <span class="fl" style="width:280px;">
         <span class="hidden fl" style="max-width:240px;"><%=student_work.name %></span>
         <span class="fontGrey2 ml5 fl">
diff --git a/app/views/student_work/_homework_post_brief.html.erb b/app/views/student_work/_homework_post_brief.html.erb
index b575c8788..6b3c0d542 100644
--- a/app/views/student_work/_homework_post_brief.html.erb
+++ b/app/views/student_work/_homework_post_brief.html.erb
@@ -44,7 +44,7 @@
   <div class="">
     <div class="homeworkDetail upload_img break_word list_style max_h54" id="homeworkDetail">
       <div id="homework_description">
-        <%= homework.description %>
+        <%= homework.description.html_safe %>
       </div>
     </div>
     <% if is_pro %>
@@ -52,14 +52,14 @@
           <table class="mt5 test-set-table">
             <tr>
               <th width="25">&nbsp;</th>
-              <th width="290">测试集输入</th>
-              <th width="290">测试集输出</th>
+              <th width="290" style="max-width:290px;">测试集输入</th>
+              <th width="290" style="max-width:290px;">测试集输出</th>
             </tr>
             <% homework.homework_tests.each_with_index do |test, i| %>
                 <tr>
                   <td class="test_td_min"><%=i+1 %></td>
-                  <td><%=test.input %></td>
-                  <td ><%=test.output %></td>
+                  <td><pre style="max-width:290px; word-wrap:break-word; white-space:pre-wrap;"><%=test.input %></pre></td>
+                  <td><pre style="max-width:290px; word-wrap:break-word; white-space:pre-wrap;"><%=test.output %></pre></td>
                 </tr>
             <% end %>
           </table>
diff --git a/app/views/syllabuses/_syllabus_member_list.html.erb b/app/views/syllabuses/_syllabus_member_list.html.erb
index 4ee3b9c28..2a726ac18 100644
--- a/app/views/syllabuses/_syllabus_member_list.html.erb
+++ b/app/views/syllabuses/_syllabus_member_list.html.erb
@@ -4,7 +4,7 @@
   <tr>
     <th>序号</th>
     <th class="sy_new_namebox">姓名</th>
-    <th>身份</th>
+    <th>职业</th>
     <th>创建班级数</th>
     <th>参与班级数</th>
     <% if is_admin %>
@@ -15,6 +15,7 @@
   <tbody>
   <% @members.each_with_index do |member, i| %>
       <% user = member.user %>
+      <% allow_delete = @syllabus.courses.where(:tea_id => member.user_id).empty? && i != 0 %>
       <tr>
         <td><%= member.rank %></td>
         <td>
@@ -36,16 +37,20 @@
             <td>
               <% if i == 0 %>
                   &nbsp;
-              <% elsif i == 1 %>
-                  <%= link_to('删除', {:controller => 'syllabus_member', :action => 'destroy', :id => member.id, :syllabus => @syllabus.id},:remote => true, :method => 'delete', :class => "fr sy_btn_grey mr5", :title => l(:button_delete)) %>
-                  <%= link_to('下移', {:controller => 'syllabus_member', :action => 'update_rank', :id => member.id, :syllabus => @syllabus.id, :opr => 'down'},:remote => true, :method => 'post', :class => "fr sy_btn_blue mr5", :title => '下移') %>
-              <% elsif i == @members.count - 1 %>
-                  <%= link_to('删除', {:controller => 'syllabus_member', :action => 'destroy', :id => member.id, :syllabus => @syllabus.id},:remote => true, :method => 'delete', :class => "fr sy_btn_grey mr5", :title => l(:button_delete)) %>
-                  <%= link_to('上移', {:controller => 'syllabus_member', :action => 'update_rank', :id => member.id, :syllabus => @syllabus.id, :opr => 'up'},:remote => true, :method => 'post', :class => "fr sy_btn_blue mr5", :title => '上移') %>
               <% else %>
-                  <%= link_to('删除', {:controller => 'syllabus_member', :action => 'destroy', :id => member.id, :syllabus => @syllabus.id},:remote => true, :method => 'delete', :class => "fr sy_btn_grey mr5", :title => l(:button_delete)) %>
-                  <%= link_to('下移', {:controller => 'syllabus_member', :action => 'update_rank', :id => member.id, :syllabus => @syllabus.id, :opr => 'down'},:remote => true, :method => 'post', :class => "fr sy_btn_blue mr5", :title => '下移') %>
-                  <%= link_to('上移', {:controller => 'syllabus_member', :action => 'update_rank', :id => member.id, :syllabus => @syllabus.id, :opr => 'up'},:remote => true, :method => 'post', :class => "fr sy_btn_blue mr5", :title => '上移') %>
+                  <% if allow_delete %>
+                      <%= link_to('删除', {:controller => 'syllabus_member', :action => 'destroy', :id => member.id, :syllabus => @syllabus.id},:remote => true, :method => 'delete', :confirm => l(:text_are_you_sure), :class => "fr sy_btn_grey mr5", :title => l(:button_delete)) %>
+                  <% else %>
+                      <a href="javascript:void(0)" class="fr sy_btn_grey mr5" title="该老师已在本课程下创建了班级，不能删除">删除</a>
+                  <% end %>
+                  <% if i == 1 %>
+                      <%= link_to('下移', {:controller => 'syllabus_member', :action => 'update_rank', :id => member.id, :syllabus => @syllabus.id, :opr => 'down'},:remote => true, :method => 'post', :class => "fr sy_btn_blue mr5", :title => '下移') %>
+                  <% elsif i == @members.count - 1 %>
+                      <%= link_to('上移', {:controller => 'syllabus_member', :action => 'update_rank', :id => member.id, :syllabus => @syllabus.id, :opr => 'up'},:remote => true, :method => 'post', :class => "fr sy_btn_blue mr5", :title => '上移') %>
+                  <% else %>
+                      <%= link_to('下移', {:controller => 'syllabus_member', :action => 'update_rank', :id => member.id, :syllabus => @syllabus.id, :opr => 'down'},:remote => true, :method => 'post', :class => "fr sy_btn_blue mr5", :title => '下移') %>
+                      <%= link_to('上移', {:controller => 'syllabus_member', :action => 'update_rank', :id => member.id, :syllabus => @syllabus.id, :opr => 'up'},:remote => true, :method => 'post', :class => "fr sy_btn_blue mr5", :title => '上移') %>
+                  <% end %>
               <% end %>
             </td>
         <% end %>
diff --git a/app/views/syllabuses/members.html.erb b/app/views/syllabuses/members.html.erb
index fd4041b20..c9b117411 100644
--- a/app/views/syllabuses/members.html.erb
+++ b/app/views/syllabuses/members.html.erb
@@ -15,7 +15,7 @@
     <%= render :partial => 'syllabus_member_list' %>
     <a href="javascript:void(0);" class="fl sy_btn_green" onclick="toggle_search();">添加成员</a>
   </div>
-  <div class="sy_new_tchbox clear undis" id="sy_search_box">
+  <div class="sy_new_tchbox clear <%= @show == 1 ? '' : 'undis' %>" id="sy_search_box">
     <%= form_tag url_for(:controller => 'syllabus_member', :action => 'create', :syllabus => @syllabus),:id => 'syllabus_member_add_form', :remote => true do |f|%>
         <input hidden="hidden" value="true" name="flag">
         <div class="hw_search_box mb10">