diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 90041420..50f97bc8 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -357,6 +357,7 @@ class ApplicationController < ActionController::Base
   end
 
   def require_login
+    logger.info("#########login?: #{User.current.id}")
     logger.info("#########login?: #{User.current.logged?}")
     logger.info("#########get?: #{request.get?}")
     if !User.current.logged?
diff --git a/app/controllers/managements/video_applies_controller.rb b/app/controllers/managements/video_applies_controller.rb
new file mode 100644
index 00000000..55c4c337
--- /dev/null
+++ b/app/controllers/managements/video_applies_controller.rb
@@ -0,0 +1,47 @@
+class Managements::VideoAppliesController < Managements::BaseController
+  before_filter :set_menu_type
+
+  def index
+    applies = VideoApply.order('video_applies.updated_at desc')
+
+    search = params[:search].to_s.strip
+    if search.present?
+      applies = applies.joins(:video)
+                  .where('videos.title like :search', search: "%#{search}%")
+    end
+
+    applies = applies.where(status: params[:status].presence || :pending)
+
+    @video_applies = paginateHelper applies.includes(video: { user: :user_extensions })
+
+    respond_to do |format|
+      format.js
+      format.html
+    end
+  end
+
+  def agree
+    Videos::AgreeApplyService.new(current_video_apply, current_user).call
+    render json: { status: 0 }
+  rescue Videos::AgreeApplyService::Error => e
+    render json: { status: -1, message: e.message }
+  end
+
+  def refuse
+    Videos::RefuseApplyService.new(current_video_apply, current_user, reason: params[:reason]).call
+    render json: { status: 0 }
+  rescue Videos::RefuseApplyService::Error => e
+    render json: { status: -1, message: e.message }
+  end
+
+  private
+
+  def current_video_apply
+    @_current_video_apply ||= VideoApply.find(params[:id])
+  end
+
+  def set_menu_type
+    @menu_type = 10
+    @sub_type = 10
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/managements_controller.rb b/app/controllers/managements_controller.rb
index d946c12b..cc896ef2 100644
--- a/app/controllers/managements_controller.rb
+++ b/app/controllers/managements_controller.rb
@@ -2360,6 +2360,14 @@ end
     end
   end
 
+  # 实践课程的金课设置
+  def excellent_subject_setting
+    if params[:subject_id]
+      subject = Subject.find params[:subject_id]
+      subject.update_attributes(:excellent => !subject.excellent)
+    end
+  end
+
   # 已发布实训路径首页显示
   def subject_homepage_show
     if params[:subject_id]
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 6a62503e..c497cb4e 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -756,6 +756,7 @@ module ApplicationHelper
         when 7 then '职业认证'
         when 8 then '教学案例发布'
         when 9 then '众包需求发布'
+        when 10 then '视频发布'
         else '职业认证'
         end
       when 11
diff --git a/app/models/subject.rb b/app/models/subject.rb
index 819d446c..77db603a 100644
--- a/app/models/subject.rb
+++ b/app/models/subject.rb
@@ -10,7 +10,7 @@ class Subject < ActiveRecord::Base
   belongs_to :major
   # score_count 只能适合在首页使用
   attr_accessible :description, :name, :status, :visits, :user_id, :course_list_id, :major_id, :learning_notes, :introduction,
-                  :homepage_show, :score_count, :publish_time, :updated_at
+                  :homepage_show, :score_count, :publish_time, :updated_at, :excellent
 
   has_many :stages, :dependent => :destroy, :order => "stages.position ASC"
   has_many :stage_shixuns, :dependent => :destroy
diff --git a/app/models/video.rb b/app/models/video.rb
new file mode 100644
index 00000000..c849f1fa
--- /dev/null
+++ b/app/models/video.rb
@@ -0,0 +1,36 @@
+class Video < ActiveRecord::Base
+  include AASM
+
+  belongs_to :user
+
+  has_many :video_applies, dependent: :destroy
+  has_one :processing_video_apply, conditions: { status: :pending }, class_name: 'VideoApply'
+
+  aasm(:status) do
+    state :pending, initial: true
+    state :processing
+    state :refused
+    state :published
+
+    event :apply_publish do
+      transitions from: :pending, to: :processing
+    end
+
+    event :refuse do
+      transitions from: :processing, to: :refused
+    end
+
+    event :publish do
+      transitions from: :processing, to: :published, guard: :vod_uploaded?
+    end
+  end
+
+  aasm(:vod_status, namespace: :vod) do
+    state :uploading, initial: true
+    state :uploaded
+
+    event :upload_success do
+      transitions from: :uploading, to: :uploaded
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/models/video_apply.rb b/app/models/video_apply.rb
new file mode 100644
index 00000000..8d91bb7a
--- /dev/null
+++ b/app/models/video_apply.rb
@@ -0,0 +1,19 @@
+class VideoApply < ActiveRecord::Base
+  include AASM
+
+  belongs_to :video
+
+  aasm(:status) do
+    state :pending, initial: true
+    state :refused
+    state :agreed
+
+    event :refuse do
+      transitions from: :pending, to: :refused
+    end
+
+    event :agree do
+      transitions from: :pending, to: :agreed
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/services/videos/agree_apply_service.rb b/app/services/videos/agree_apply_service.rb
new file mode 100644
index 00000000..a317f8fa
--- /dev/null
+++ b/app/services/videos/agree_apply_service.rb
@@ -0,0 +1,35 @@
+class Videos::AgreeApplyService
+  Error = Class.new(StandardError)
+
+  attr_reader :video_apply, :video, :user
+
+  def initialize(video_apply, user)
+    @video_apply = video_apply
+    @video       = video_apply.video
+    @user        = user
+  end
+
+  def call
+    raise Error, '该状态下不能进行此操作' unless video_apply.may_agree? && video.may_publish?
+
+    ActiveRecord::Base.transaction do
+      video_apply.agree!
+
+      video.published_at = Time.now
+      video.publish
+      video.save!
+
+      # 将消息改为已处理
+      Tiding.where(container_id: video.id, container_type: 'Video', tiding_type: 'Apply', status: 0).update_all(status: 1)
+      notify_video_author!
+    end
+  end
+
+  private
+
+  def notify_video_author!
+    Tiding.create!(user_id: video.user_id, trigger_user_id: 1,
+                   container_id: video.id, container_type: 'Video',
+                   tiding_type: 'System', status: 1)
+  end
+end
\ No newline at end of file
diff --git a/app/services/videos/refuse_apply_service.rb b/app/services/videos/refuse_apply_service.rb
new file mode 100644
index 00000000..e6ef65dc
--- /dev/null
+++ b/app/services/videos/refuse_apply_service.rb
@@ -0,0 +1,38 @@
+class Videos::RefuseApplyService
+  Error = Class.new(StandardError)
+
+  attr_reader :video_apply, :video, :user, :params
+
+  def initialize(video_apply, user, params)
+    @video_apply = video_apply
+    @video       = video_apply.video
+    @user        = user
+    @params      = params
+  end
+
+  def call
+    reason = params[:reason].to_s.strip
+    raise Error, '原因不能为空' if reason.blank?
+    raise Error, '该状态下不能进行此操作' unless video_apply.may_refuse?
+
+    ActiveRecord::Base.transaction do
+      video_apply.reason = reason
+      video_apply.refuse
+      video_apply.save!
+
+      video.refuse!
+
+      # 将消息改为已处理
+      Tiding.where(container_id: video.id, container_type: 'Video', tiding_type: 'Apply', status: 0).update_all(status: 1)
+      notify_video_author!
+    end
+  end
+
+  private
+
+  def notify_video_author!
+    Tiding.create!(user_id: video.user_id, trigger_user_id: 1,
+                   container_id: video.id, container_type: 'Video',
+                   tiding_type: 'System', status: 2, extra: video_apply.reason)
+  end
+end
\ No newline at end of file
diff --git a/app/views/competitions/_gq_second_code_competition.html.erb b/app/views/competitions/_gq_second_code_competition.html.erb
index bc54e485..1af1cf52 100644
--- a/app/views/competitions/_gq_second_code_competition.html.erb
+++ b/app/views/competitions/_gq_second_code_competition.html.erb
@@ -73,6 +73,21 @@
       link_url: 'https://keras.io/layers/about-keras-layers/'
     }]
   ]
+  extra_data = [
+    {
+      name: 'C++项目',
+      description: "本项目的paddle/fluid/operators/optimizers目录中包含了常见的优化器（如，Momentum，Adam等等）的c++实现。",
+      task: '标注../fluid/operators/optimizers/目录下的所有代码文件',
+      link_name: '官方，优化器',
+      link_url: 'https://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/api_guides/low_level/optimizer.html'
+    },{
+      name: 'Python项目',
+      description: "本项目的python/paddle/fluid/layers/nn.py中包含了神经网络中大量常见层和操作符的python实现，如fc、conv、gru等等。",
+      task: '标注../paddle/fluid/layers/nn.py代码文件',
+      link_name: '官方，nn',
+      link_url: 'https://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/api_cn/layers_cn/nn_cn.html'
+    }
+  ]
 %>
 
 <% @competition.competition_stages.includes(:competition_stage_sections).each_with_index do |stage, i| %>
@@ -97,9 +112,9 @@
         标注说明：每个小组选择一种编程语言的题目，针对标注任务中指定的标注模块，要求对代码模块、模块中的代码文件， 以及文件中的函数必须进行标注，关键代码块、代码行及关键变量等由参赛者自由选择进行标注。 正式赛第一阶段的比赛在标注阶段就开放查看所有人的标注，请大家根据个人理解，写出自己的风格。我们将综合考虑标注的原创性、准确性、 完整性和多样性等不同的维度对标注质量进行评分。<%= challenge_description_extra[i] %>
       </p>
 
-      <ul class="mt30">
-        <% first_section.competition_entries.each_with_index do |entry, j| %>
-          <% row_data = data[i][j] %>
+      <ul class="mt30 clearfix">
+        <% first_section.competition_entries.limit(3).each_with_index do |entry, j| %>
+          <% row_data = data.dig(i, j) %>
           <li class="challenge_box">
             <p class="challenge_b_t"><%= row_data[:name] || entry.name %></p>
             <p class="enter_btn mb40 clearfix">
@@ -135,6 +150,51 @@
           </li>
         <% end %>
       </ul>
+
+      <% if index == 4 %>
+        <p class="break_word font-18 challenge_describe" style="margin-top: 20px;">
+          飞桨（PaddlePaddle）由百度公司开发，是目前国内唯一功能完备的端到端开源深度学习平台，集深度学习训练和预测框架、模型库、工具组件、服务平台为一体，其兼具灵活和效率的开发机制、工业级应用效果的模型、超大规模并行深度学习能力、推理引擎一体化设计以及系统化的服务支持，致力于让深度学习技术的创新与应用更简单。
+        </p>
+
+        <ul class="mt30 clearfix">
+          <% first_section.competition_entries.offset(3).each_with_index do |entry, j| %>
+            <% row_data = extra_data[j] %>
+            <li class="challenge_box">
+              <p class="challenge_b_t"><%= row_data[:name] || entry.name %></p>
+              <p class="enter_btn mb40 clearfix">
+                <%
+                  is_start = Time.now > first_section.start_time
+                  competition_url = User.current.logged? ? "#{entry.url}?eid=#{User.current.id}" : "#{entry.url}"
+                  btn_url = is_start ? "#{competition_url}" : "javascript:void(0);"
+                %>
+                <a class="setNewBnt <%= is_start ? 'active' : '' %>"
+                   href="javascript:void(0);"
+                   data-url="<%= btn_url %>"><%= entry.name %></a>
+              </p>
+
+              <% if row_data.present? %>
+                <p class="challenge_b_d">项目简介</p>
+                <p class="break-word challenge_b_des" style="min-height: 80px;"><%= raw row_data[:description] %></p>
+                <p class="challenge_b_d">标注任务</p>
+                <% if index ==2 %>
+                  <p class="break-word challenge_b_des" style="color: #FC2F78;min-height: 60px"><%= row_data[:task] %></p>
+                <% else %>
+                  <p class="break-word challenge_b_des" style="color: #FC2F78;min-height: 80px"><%= row_data[:task] %></p>
+                <% end %>
+                <p class="challenge_b_d">经典算法解读：</p>
+                <ul class="clearfix algorithm">
+                  <a href="<%= row_data[:link_url] %>" target="_blank"><%= row_data[:link_name] %></a>
+                </ul>
+                <p class="enter_btn clearfix">
+                  <a href="javascript:void(0);"
+                     data-url="<%= btn_url %>"
+                     class="setNewBnt <%= is_start ? 'active' : '' %>">点击进入代标注模块</a>
+                </p>
+              <% end %>
+            </li>
+          <% end %>
+        </ul>
+      <% end %>
     </div>
   </div>
   <% index += 1 %>
diff --git a/app/views/layouts/base_management.html.erb b/app/views/layouts/base_management.html.erb
index 3392f099..fc5e0afe 100644
--- a/app/views/layouts/base_management.html.erb
+++ b/app/views/layouts/base_management.html.erb
@@ -123,6 +123,7 @@
             <li><%= link_to '实践课程发布', subject_authorization_managements_path %></li>
             <li><%= link_to '教学案例发布', library_applies_path(status: :pending) %></li>
             <li><%= link_to '众包需求发布', project_package_applies_path(status: :pending) %></li>
+            <li><%= link_to '视频发布', video_applies_path(status: :pending) %></li>
           </ul>
         </li>
         <li class="fl edu-admin-nav-li edu-position"><a href="javascript:void(0);" class="edu-admin-nav-a">认证+</a>
diff --git a/app/views/managements/_subject_list.html.erb b/app/views/managements/_subject_list.html.erb
index 40a3b0c4..3299af10 100644
--- a/app/views/managements/_subject_list.html.erb
+++ b/app/views/managements/_subject_list.html.erb
@@ -3,7 +3,7 @@
   <thead>
   <tr>
     <th width="9%">ID</th>
-    <th width="20%" class="edu-txt-left">实训套件名称</th>
+    <th width="18%" class="edu-txt-left">实训套件名称</th>
     <th width="6%">阶段</th>
     <th width="10%">技术体系</th>
     <th width="10%">等级体系</th>
@@ -75,6 +75,10 @@
           <input type="checkbox" name="homepage_show" <%= c_shixun.status == 2 ? "" : "disabled" %> value="<%= c_shixun.id %>" <%= c_shixun.homepage_show ? "checked" : "" %> class="ml-3 mr5 magic-checkbox" id="homepage_show_<%= c_shixun.id %>">
           <label style="top:0px;padding-left: 19px;" for="homepage_show_<%= c_shixun.id %>">首页</label>
         </span>
+        <span class="fl ml5">
+          <input type="checkbox" name="excellent" <%= c_shixun.status == 2 ? "" : "disabled" %> value="<%= c_shixun.id %>" <%= c_shixun.excellent ? "checked" : "" %> class="ml-3 mr5 magic-checkbox" id="excellent_<%= c_shixun.id %>">
+          <label style="top:0px;padding-left: 19px;" for="excellent_<%= c_shixun.id %>">金课</label>
+        </span>
       </td>
     </tr>
   <% end %>
@@ -131,7 +135,16 @@
                 type: 'post',
                 dateType: "script"
             });
-        })
+        });
+        $("input[name='excellent']").click(function(){
+            var subject_id = $(this).val();
+            $.ajax({
+                url:"<%= excellent_subject_setting_managements_path %>",
+                data: {subject_id: subject_id},
+                type: 'post',
+                dateType: "script"
+            });
+        });
     });
     function select_repertoire(subject_id, rep_id){
         $.ajax({
diff --git a/app/views/managements/excellent_subject_setting.js.erb b/app/views/managements/excellent_subject_setting.js.erb
new file mode 100644
index 00000000..e69de29b
diff --git a/app/views/managements/video_applies/_video_apply_list.html.erb b/app/views/managements/video_applies/_video_apply_list.html.erb
new file mode 100644
index 00000000..d3cfc50d
--- /dev/null
+++ b/app/views/managements/video_applies/_video_apply_list.html.erb
@@ -0,0 +1,77 @@
+<% if @video_applies.present? %>
+    <% @video_applies.each do |apply| %>
+        <% user = apply.video.user %>
+        <% video = apply.video %>
+        <div class="admin-con-box apply-<%= apply.id %> clearfix">
+          <a href="<%= user_path(user) %>" target="_blank" class="fl with10 edu-ad-user">
+            <%= image_tag(url_to_avatar(user), :class => "fl with10 edu-ad-user", :alt => "头像", :width => "50", :height => "50" ) %>
+          </a>
+          <div class="fl with90">
+            <ul>
+              <li class="clearfix mb5">
+                <a href="<%= user_path(user) %>" class="fl"><%= user.try(:show_real_name) %></a>
+                <span class="fl ml30 font-12 mt3 color-grey"><%= time_from_now(apply.created_at) %></span>
+
+                <% if apply.pending? %>
+                  <a href="javascript:void(0);" class="fr color-orange" onclick="reject_video_authentication_reason(this);" >拒绝</a>
+                  <a href="javascript:void(0);" class="fr mr15 color-orange" data-remote="true" onclick="video_authorization_gree('<%= apply.id %>');">同意</a>
+                  <%= link_to('播放视频', video.file_url, class: 'fr mr15 color-orange', target: '_blank') %>
+                <% else %>
+                  <a href="javascript:void(0);" class="<%= apply.agreed? ? 'task-btn-green' : '' %> task-btn fr"><%= apply.agreed? ? "已同意" : "已拒绝" %></a>
+                <% end %>
+              </li>
+              <li class="clearfix mb10">
+                <span><%= video.title %></span>
+              </li>
+
+              <% if apply.pending? %>
+                <div class="undis">
+                  <li class="clearfix edu-form-border mb10">
+                    <label class="edu-form-label fl">原因：</label>
+                    <input type="text" class="task-form-90 task-height-40 panel-box-sizing fl edu-form-noborder" placeholder="我得说点儿什么，最多200个字符">
+                  </li>
+                  <li class="clearfix">
+                    <a href="javascript:void(0);" class="task-btn task-btn-orange fr" onclick="video_submit_reject_reason('<%= apply.id %>', this);" >确定</a>
+                    <a href="javascript:void(0);" class="task-btn fr mr10" onclick="video_hide_reject_reason(this);" >取消</a>
+                  </li>
+                </div>
+              <% else %>
+                <% if apply.refused? %>
+                  <li>原因：<span class="color-orange"><%= apply.reason %></span></li>
+                <% end %>
+              <% end %>
+            </ul>
+          </div>
+        </div>
+    <% end %>
+    <div class="mt20 mb20" style="text-align:center;">
+      <div class="pages_user_show" style="width:auto; display:inline-block;">
+        <ul id="homework_pository_ref_pages">
+          <%= pagination_links_full @obj_pages, @obj_count, :per_page_links => false, :remote => true, :flag => true, :is_new => true %>
+        </ul>
+        <div class="cl"></div>
+      </div>
+    </div>
+<% else %>
+    <%= render :partial => "welcome/no_data" %>
+<% end %>
+
+<script type="text/javascript">
+    function video_authorization_gree(id){
+        $.ajax({
+            url: '/managements/video_applies/' + id + '/agree',
+            type: 'post',
+            success: function(data){
+              if (data && data.status != -1) {
+                $('#authentication_list .admin-con-box.apply-' + id).remove();
+
+                if($('#authentication_list .admin-con-box').length == 0){
+                  location.reload();
+                }
+              } else {
+                alert(data.message);
+              }
+            }
+        })
+    }
+</script>
\ No newline at end of file
diff --git a/app/views/managements/video_applies/index.html.erb b/app/views/managements/video_applies/index.html.erb
new file mode 100644
index 00000000..9a371e6c
--- /dev/null
+++ b/app/views/managements/video_applies/index.html.erb
@@ -0,0 +1,120 @@
+<div class="edu-class-container mb15">
+  <div class="edu-con-top clearfix">
+    <p class="ml15 fl color-grey">视频发布</p>
+  </div>
+  <div class="edu-con-bg01 mt15">
+    <div class="edu-tab clearfix mb20">
+      <ul id="edu-tab-nav" class="border-bottom-orange">
+        <li id="edu-tab-nav-1" class="new-tab-nav background-orange" onclick="HoverLi(1);">
+          <%= link_to "待审批", video_applies_path(status: :pending), class: 'tab_type', remote: true %>
+        </li>
+        <li id="edu-tab-nav-2" class="new-tab-nav" onclick="HoverLi(2);">
+          <%= link_to "已审批", video_applies_path(status: [:refused, :agreed]), class: 'tab_type', remote: true %>
+        </li>
+      </ul>
+      <div class="cl"></div>
+      <div id="edu-tab-con-1">
+        <div class="mt10">
+          <div class="edu-position fr task-form-30 mb10 mr15">
+            <input class="task-form-100 panel-box-sizing" placeholder="输入视频标题进行检索" type="text" id="search_name">
+            <a href="javascript:void(0);" class="edu-btn-search font-16 color-grey mt10" id="search"><i class="fa fa-search"></i></a>
+          </div>
+          <div class="cl"></div>
+          <div id="authentication_list" class="auth_table">
+            <%= render :partial => "managements/video_applies/video_apply_list"%>
+          </div>
+        </div>
+      </div>
+
+      <div id="edu-tab-con-2" class="undis">
+        <div class="mt10">
+          <p class="fl task-form-60 mt8 ml15 clearfix">
+            <%= link_to "全部", video_applies_path(status: [:refused, :agreed]), :class => "edu-filter-cir-grey mr5 fl font-12 active", :id => "video_all_authentication", :remote => true %>
+            <%= link_to "同意", video_applies_path(status: :agreed), :class => "edu-filter-cir-grey mr5 fl font-12", :id => "video_agree_authentication", :remote => true %>
+            <%= link_to "拒绝", video_applies_path(status: :refused), :class => "edu-filter-cir-grey mr5 fl font-12", :id => "video_reject_authentication", :remote => true %>
+          </p>
+          <div class="edu-position fr task-form-30 mb10 fr mr15">
+            <input class="task-form-100 panel-box-sizing" placeholder="输入视频标题进行检索" type="text" id="video_search_name">
+            <a href="javascript:void(0);" class="edu-btn-search font-16 color-grey mt10" id="video_search"><i class="fa fa-search"></i></a>
+          </div>
+          <div class="cl"></div>
+          <div id="video_authentication_list" class="auth_table">
+          </div>
+        </div>
+      </div>
+      <div class="cl"></div>
+    </div>
+  </div>
+</div>
+<script>
+  /* --------------------------  拒绝 ------------------------------------ */
+  function reject_video_authentication_reason(nThis){
+    var reason =  $(nThis).parent().parent().find('div');
+    reason.find("input").val("");
+    reason.toggle();
+  }
+
+  /* -------------------------- 取消 ------------------------------------ */
+  function video_hide_reject_reason(nThis){
+    var reason =  $(nThis).parent().parent();
+    reason.find("input").val("");
+    reason.hide();
+  }
+
+  /* -------------------------  提交拒绝原因 --------------------------------- */
+  function video_submit_reject_reason(id, nThis){
+    var nReason =  $(nThis).parent().parent();
+    var reason = nReason.find("input").val();
+    if (reason == '') {
+      alert('请输入原因');
+      return;
+    }
+    $.ajax({
+      url: '/managements/video_applies/' + id + '/refuse',
+      type: 'post',
+      data: {reason: reason},
+      success: function(data){
+        if (data && data.status != -1) {
+          $('#authentication_list .admin-con-box.apply-' + id).remove();
+
+          if($('#authentication_list .admin-con-box').length == 0){
+            location.reload();
+          }
+        } else {
+          alert(data.message);
+        }
+      }
+    });
+  }
+
+  /* -------------------------- 按名字进行搜索(未审批) ----------------------------- */
+  $("#search").live("click", function(){
+    var iName = $("#search_name").val();
+    $.ajax({
+      url: "/managements/video_applies",
+      dataType: 'script',
+      data: { search: iName, status: 'pending' }
+    });
+  });
+
+  /* ------------------- 按名字进行搜索（已审批）-------------------- */
+  $("#video_search").live("click", function(){
+    var iName = $("#video_search_name").val();
+    var id  = $("#video_all_authentication").parent().find(".active").attr("id");
+    var status = '';
+
+    if(id == "video_all_authentication"){
+      status = ['refused', 'agreed'];
+    }else if(id=="video_agree_authentication"){
+      status = 'agreed';
+    }else{
+      status = 'refused';
+    }
+    $.ajax({
+      url: "/managements/video_applies",
+      dataType: 'script',
+      data: { search: iName, status: status}
+    });
+  });
+
+</script>
\ No newline at end of file
diff --git a/app/views/managements/video_applies/index.js.erb b/app/views/managements/video_applies/index.js.erb
new file mode 100644
index 00000000..ea991c14
--- /dev/null
+++ b/app/views/managements/video_applies/index.js.erb
@@ -0,0 +1,30 @@
+var nTabIcon_1 =  $("#edu-tab-con-1");
+var nTabIcon_2 =  $("#edu-tab-con-2");
+var nTabNav_1  =  $("#edu-tab-nav-1");
+var nTabNav_2  =  $("#edu-tab-nav-2");
+var nAudit =  $("#video_all_authentication").parent();
+
+<% if params[:status].to_s == 'pending' %>
+$("#authentication_list").html("<%= j( render :partial => "managements/video_applies/video_apply_list" ) %>");
+nTabNav_1.addClass("background-orange");
+nTabNav_2.removeClass("background-orange");
+nTabIcon_1.show();
+nTabIcon_2.hide();
+<% else %>
+$("#video_authentication_list").html("<%= j( render :partial => "managements/video_applies/video_apply_list" ) %>");
+nTabNav_1.removeClass("background-orange");
+nTabNav_2.addClass("background-orange");
+nTabIcon_1.hide();
+nTabIcon_2.show();
+/* --------------------------  未审批（全部、同意、拒绝点击时动态样式） ------------------------------ */
+if(<%= params[:status].to_s == 'agreed' %>){
+  nAudit.find(".active").removeClass("active");
+  $("#video_agree_authentication").addClass("active");
+}else if(<%= params[:status].to_s == 'refused' %>){
+  nAudit.find(".active").removeClass("active");
+  $("#video_reject_authentication").addClass("active");
+}else{
+  nAudit.find(".active").removeClass("active");
+  $("#video_all_authentication").addClass("active");
+}
+<% end %>
\ No newline at end of file
diff --git a/config/initializers/session_store.rb b/config/initializers/session_store.rb
index d94a99c9..ae084e0f 100755
--- a/config/initializers/session_store.rb
+++ b/config/initializers/session_store.rb
@@ -1 +1 @@
-Rails.application.config.session_store ActionDispatch::Session::CacheStore, :expire_after => 8.hours, :key => '_educoder_session', :domain => :all
+Rails.application.config.session_store ActionDispatch::Session::CacheStore, :expire_after => 24.hours, :key => '_educoder_session', :domain => :all
diff --git a/config/routes.rb b/config/routes.rb
index 1df0c29c..22ea0bc4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -626,6 +626,7 @@ RedmineApp::Application.routes.draw do ## oauth相关
       post 'update_shixun_code_hidden'
       get 'update_shixun_excute_time'
       post 'subject_homepage_show'
+      post 'excellent_subject_setting'
       post 'support_shixun'
       post 'add_course'
       match 'add_major',:via=>[:get,:post]
@@ -765,6 +766,13 @@ RedmineApp::Application.routes.draw do ## oauth相关
             post :refuse
           end
         end
+
+        resources :video_applies, only: [:index] do
+          member do
+            post :agree
+            post :refuse
+          end
+        end
       end
     end
   end
diff --git a/db/migrate/20190813070926_add_excellent_to_subject.rb b/db/migrate/20190813070926_add_excellent_to_subject.rb
new file mode 100644
index 00000000..6da01be3
--- /dev/null
+++ b/db/migrate/20190813070926_add_excellent_to_subject.rb
@@ -0,0 +1,5 @@
+class AddExcellentToSubject < ActiveRecord::Migration
+  def change
+    add_column :subjects, :excellent, :boolean, :default => false
+  end
+end
diff --git a/public/react/src/modules/ec/ecStudentList/ecStudentList.js b/public/react/src/modules/ec/ecStudentList/ecStudentList.js
index 4208b2bc..b60ab2ee 100644
--- a/public/react/src/modules/ec/ecStudentList/ecStudentList.js
+++ b/public/react/src/modules/ec/ecStudentList/ecStudentList.js
@@ -242,7 +242,7 @@ class ecStudentList extends Component {
                 }
             }
         }
-        let url ='/ec_major_schools/'+major_id+'/academic_years/'+year_id+'/destroy_students.json'
+        let url ='/ec_major_schools/'+major_id+'/academic_years/'+year_id+'/destroy_students'
         axios.delete(url,{data:{
                 all:studentall,
                 student_ids:newstudent_id,
diff --git a/public/stylesheets/educoder/edu-all.css b/public/stylesheets/educoder/edu-all.css
index c9879352..6947ac54 100644
--- a/public/stylesheets/educoder/edu-all.css
+++ b/public/stylesheets/educoder/edu-all.css
@@ -669,7 +669,7 @@ a.enterLink{cursor: pointer;color: #418CCD!important;background: none!important;
 .second_code_2{min-height: 436px;}
 .second_code_3{min-height: 1460px;padding-top: 190px;box-sizing: border-box;position: relative}
 .second_code_4{min-height: 1459px;padding-top: 190px;box-sizing: border-box;position: relative}
-.second_code_5{min-height: 1464px;padding-top: 190px;box-sizing: border-box;position: relative}
+.second_code_5{min-height: 2314px;padding-top: 190px;box-sizing: border-box;position: relative}
 .second_code_6{min-height: 1060px;}
 .second_code_7{min-height: 1116px;}
 .second_code_8{min-height: 711px;}