diff --git a/app/controllers/competitions_controller.rb b/app/controllers/competitions_controller.rb
index c1d918f6..c890ff6b 100644
--- a/app/controllers/competitions_controller.rb
+++ b/app/controllers/competitions_controller.rb
@@ -20,6 +20,8 @@ class CompetitionsController < ApplicationController
 
   def show
     @images = @competition.attachments
+    @user = current_user
+    @enrolled = @user && @user.logged? && @competition.team_members.exists?(user_id: @user.id)
   end
 
   def index
diff --git a/app/views/competitions/_gq_second_code_competition.html.erb b/app/views/competitions/_gq_second_code_competition.html.erb
index 35c5dd17..65b0befc 100644
--- a/app/views/competitions/_gq_second_code_competition.html.erb
+++ b/app/views/competitions/_gq_second_code_competition.html.erb
@@ -5,6 +5,11 @@
 <% index += 1 %>
 
 <%
+  challenge_description_extra = [
+    "模拟赛选择了第一届标注大赛正式赛第一阶段的三个项目供大家体验熟悉平台、学习其他人的标注，模拟赛标注不计分。",
+    "第一阶段比赛得分占正赛总比分的30%。",
+    "第二阶段比赛得分占正赛总比分的70%。"
+  ]
   data = [
     [
       {
@@ -12,21 +17,21 @@
         description: "Weka是基于Java的机器学习与数据挖掘平台，汇集了最前沿的机器学习算法，包括处理标准数据挖掘问题的几乎所有方法：回归、分类、聚类、关联规则以及属性选择等，是Java机器学习入门的首选平台。<br/><br/>本项目的Clusters目录中包含了K-Means、层次聚类等多种聚类算法以及相应的聚类效果评估方法的java实现",
         task: '标注../weka/clusterers/目录下的所有代码文件。',
         link_name: 'CSDN，经典聚类算法',
-        link_url: 'javascript:void(0)'
+        link_url: 'https://blog.csdn.net/qq_30262201/article/details/78799926'
       },
       {
         name: 'C++项目',
         description: "该项目是GitHub上最受欢迎的C++语言实现经典算法与数据结构的项目之一，内容涵盖排序、链表、树结构、图搜索、贪心算法等。学习这些算法的代码实现，可以深刻理解和掌握算法的核心思想，感受算法之美，代码之美，是人工智能时代的基础入门一课。<br/><br/>本项目的sort_search_problems目录涵盖了冒泡排序、快速排序等各类经典排序算法的C++实现。",
         task: '标注../sort_search_problems目录下的所有代码文件及对应引用的../include目录中自定义的头文件。',
         link_name: 'CSDN，十大经典排序算法',
-        link_url: 'javascript:void(0)'
+        link_url: 'https://blog.csdn.net/wfq784967698/article/details/79551476'
       },
       {
         name: 'Python项目',
         description: "该项目是GitHub上最受欢迎的Python语言实现经典算法的项目之一，包含了前沿的神经网络和经典数据结构及算法的Python实现。项目具有兼顾经典和前沿的特点。学习经典算法的源码实现，感受经典算法的思想之美、代码之美。<br/><br/>本项目的Sorts目录中包含了冒泡排序、快速排序等各类经典排序算法的Python实现。",
         task: '标注../sorts/目录下的所有代码文件。',
         link_name: 'CSDN，十大经典排序算法',
-        link_url: 'javascript:void(0)'
+        link_url: 'https://blog.csdn.net/wfq784967698/article/details/79551476'
       },
     ],
     [{},{},{}],
@@ -56,7 +61,7 @@
         </li>
       </ul>
       <p class="break_word font-18 challenge_describe">
-        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。第一阶段比赛得分占正赛总比分的30%。
+        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">
@@ -70,8 +75,8 @@
                 btn_url = is_start ? "#{entry.url}" : "javascript:void(0);"
               %>
               <a class="setNewBnt <%= is_start ? 'active' : '' %>"
-                 href="<%= btn_url %>"
-                 <%= Time.now > first_section.start_time ? 'target="_blank"' : "" %> ><%= entry.name %></a>
+                 href="javascript:void(0);"
+                 data-url="<%= btn_url %>"><%= entry.name %></a>
             </p>
 
             <% if row_data.present? %>
@@ -84,7 +89,9 @@
                 <a href="<%= row_data[:link_url] %>" target="_blank"><%= row_data[:link_name] %></a>
               </ul>
               <p class="enter_btn clearfix">
-                <a href="<%= btn_url %>" target="_blank" class="setNewBnt <%= is_start ? 'active' : '' %>">点击进入代标注模块</a>
+                <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>
@@ -99,4 +106,28 @@
 <% index += 1 %>
 <p class="second_code_7" style="background: url(<%= named_attachment_path(@images[index], @images[index].try(:filename)) %>) no-repeat top center;"></p>
 <% index += 1 %>
-<p class="second_code_8" style="background: url(<%= named_attachment_path(@images[index], @images[index].try(:filename)) %>) no-repeat top center;"></p>
\ No newline at end of file
+<p class="second_code_8" style="background: url(<%= named_attachment_path(@images[index], @images[index].try(:filename)) %>) no-repeat top center;"></p>
+
+<script>
+  $(function(){
+    var userLogged = <%= @user.present? && @user.logged? %>;
+    var userEnrolled = <%= @enrolled %>;
+
+    $(".enter_btn .setNewBnt.active").on("click", function(){
+      var url = $(this).data("url");
+
+      if (!userLogged) {
+        location.href = "<%= signin_url(back_url: competition_path(id: params[:id])) %>";
+        return;
+      }
+
+      if (!userEnrolled) {
+        sure_box_redirect_without_newtab_btn("<%= enroll_competition_path(id: params[:id]) %>", "完成报名后即可参赛", "我要报名");
+        return;
+      }
+
+      var newTab = window.open("_blank");
+      newTab.location = url;
+    })
+  })
+</script>
\ No newline at end of file
diff --git a/app/views/competitions/_qg_second_competition.html.erb b/app/views/competitions/_qg_second_competition.html.erb
index 7c69854b..aa45d32e 100644
--- a/app/views/competitions/_qg_second_competition.html.erb
+++ b/app/views/competitions/_qg_second_competition.html.erb
@@ -17,9 +17,9 @@
             <% "@urls[i][j][k]表示： 第i个比赛的第j个对象，的第k个url入口" %>
             <% is_start = Time.now > section.start_time %>
             <% section.competition_entries.each_with_index do |entry| %>
-              <a class="li-1 <%= is_start ? 'active' : '' %>"
-                 href="<%= is_start ? "#{entry.url}" : "javascript:void(0);" %>"
-                 <%= Time.now > section.start_time ? 'target="_blank"' : "" %> ><%= entry.name %></a>
+              <%= link_to entry.name, 'javascript:void(0);',
+                          class: "li-1 #{ is_start ? 'active' : ''}",
+                          data: { url: is_start ? entry.url : 'javascript:void(0);' } %>
             <% end %>
           </li>
         </ul>
@@ -34,3 +34,27 @@
 <div class="second_7" style="background: url(<%= named_attachment_path(@images[index], @images[index].try(:filename)) %>) no-repeat top center;"></div>
 <% index += 1 %>
 <div class="second_8" style="background: url(<%= named_attachment_path(@images[index], @images[index].try(:filename)) %>) no-repeat top center;"></div>
+
+<script>
+  $(function(){
+    var userLogged = <%= @user.present? && @user.logged? %>;
+    var userEnrolled = <%= @enrolled %>;
+
+    $(".enter_btn a.active").on("click", function(){
+      var url = $(this).data("url");
+
+      if (!userLogged) {
+        location.href = "<%= signin_url(back_url: competition_path(id: params[:id])) %>";
+        return;
+      }
+
+      if (!userEnrolled) {
+        sure_box_redirect_without_newtab_btn("<%= enroll_competition_path(id: params[:id]) %>", "完成报名后即可参赛", "我要报名");
+        return;
+      }
+
+      var newTab = window.open("_blank");
+      newTab.location = url;
+    })
+  })
+</script>
diff --git a/app/views/layouts/base_competition.html.erb b/app/views/layouts/base_competition.html.erb
index 6124bad8..31185960 100644
--- a/app/views/layouts/base_competition.html.erb
+++ b/app/views/layouts/base_competition.html.erb
@@ -11,7 +11,7 @@
   <%= favicon %>
   <%= javascript_heads %>
   <%= stylesheet_link_tag  'jquery/jquery-ui-1.9.2', 'educoder/edu-main', 'educoder/edu-all', 'educoder/magic-check' %>
-  <%= javascript_include_tag 'educoder/edu_application' %>
+  <%= javascript_include_tag 'educoder/edu_application', 'edu/application' %>
 
   <script type="text/javascript"
           src="/javascripts/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
diff --git a/db/migrate/20190701022644_transfer_competition_personal_enroll_data.rb b/db/migrate/20190701022644_transfer_competition_personal_enroll_data.rb
new file mode 100644
index 00000000..4c59ad14
--- /dev/null
+++ b/db/migrate/20190701022644_transfer_competition_personal_enroll_data.rb
@@ -0,0 +1,26 @@
+class TransferCompetitionPersonalEnrollData < ActiveRecord::Migration
+  CODES = %W(2 3 4 5 6 7 8 9 a b c f e f g h i j k l m n o p q r s t u v w x y z)
+
+  def change
+    gcc_task = Competition.find_by_identifier('gcc-task-2019')
+    transfer_personal_enroll_data(gcc_task)
+
+    gcc_annotation = Competition.find_by_identifier('gcc-annotation-2019')
+    transfer_personal_enroll_data(gcc_annotation)
+  end
+
+  def transfer_personal_enroll_data(competition)
+    return if competition.blank?
+    competition.competition_teams.where('invite_code IS NULL OR invite_code = ""').each do |team|
+      team.update_attributes!(invite_code: generate_team_code, name: "#{team.name}战队")
+    end
+  end
+
+  def generate_team_code
+    code = CODES.sample(6).join
+    while CompetitionTeam.exists?(invite_code: code)
+      code = CODES.sample(6).join
+    end
+    code
+  end
+end
diff --git a/public/stylesheets/educoder/edu-all.css b/public/stylesheets/educoder/edu-all.css
index db1a8de5..24d992c9 100644
--- a/public/stylesheets/educoder/edu-all.css
+++ b/public/stylesheets/educoder/edu-all.css
@@ -103,7 +103,8 @@ em.vertical-line{display: inline-block;width: 2px;background: #999;height: 10px}
 /*门户左侧导航栏*/
 .user_navlist{position: absolute;left: 0px;width: 160px;top:0px;height: 100%;}
 .user_navlist_black{position: relative;width: 100%;height: 100%;border-radius: 8px 0px 0px 8px;background: rgba(0,0,0,0.8);}
-.user_navlist_white{position: absolute;left: 160px;background: #FFFFff;width: 622px;min-height: 345px;top: 0px;z-index: 1;display: none;padding:0px 30px;box-sizing: border-box;box-shadow: 0px 0px 10px rgba(76,76,76,0.2);z-index: 99}
+.user_navlist_white{position: absolute;left: 160px;background: #FFFFff;width: 622px;min-height: 345px;top: 0px;z-index: 1;display: none;padding:0px 30px;
+    box-sizing: border-box;box-shadow: 0px 0px 10px rgba(76,76,76,0.2);z-index: 99;max-height: 345px;overflow-y: auto;}
 .user_navlist_white a{color: #989898;margin-right: 15px;font-size: 14px;display: block;float: left;height: 30px;line-height: 30px;}
 .user_navlist_white a:hover{color: #4cacff}
 .headIcon{height: 100%;box-sizing: border-box;margin: 0px!important;}