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..8d66af1a 100644
--- a/app/views/competitions/_gq_second_code_competition.html.erb
+++ b/app/views/competitions/_gq_second_code_competition.html.erb
@@ -12,21 +12,21 @@
         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'
       },
     ],
     [{},{},{}],
@@ -70,8 +70,8 @@
                 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 +84,9 @@
                 <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 +101,28 @@
 <% 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">