diff --git a/app/views/welcome/index.html.erb b/app/views/welcome/index.html.erb
index 29370db3..8bcc3ae3 100644
--- a/app/views/welcome/index.html.erb
+++ b/app/views/welcome/index.html.erb
@@ -81,101 +81,101 @@
   
 
   <!--导师排行榜-->
-  <div class="pt60 pb60 mb30 mentor-ranking">
-    <div class="educontent">
-      <div class="edu-txt-center">
-        <p class="color-dark edu-txt-center font-24" style="line-height: 30px">导师排行榜</p>
-        <p class="color-grey-cd font-12">MENTOR RANKING</p>
-      </div>
-      <div class="ranking clearfix">
-        <ul class="grade color-dark">
-          <% if @tea_users[1] %>
-              <li class="mt35 pr">
-                <img src="/images/educoder/huangguan-two.png" class="huangguan"/>
-                <a href="/users/<%= (@tea_users[1].try(:login)) %>" class="color-dark"><%= image_tag(url_to_avatar(@tea_users[1])) %>
-                  <span class="task-hide rankName"><%= @tea_users[1].try(:show_name) %></span>
-                </a>
-              </li>
-          <% end %>
-          <% if @tea_users[0] %>
-              <li class="pr">
-                <img src="/images/educoder/huangguan.png" class="huangguan"/>
-                <a href="/users/<%= (@tea_users[0].try(:login)) %>" class="color-dark"><%= image_tag(url_to_avatar(@tea_users[0])) %>
-                  <span class="task-hide rankName"><%= @tea_users[0].try(:show_name) %></span>
-                </a>
-              </li>
-          <% end %>
-          <% if @tea_users[2] %>
-              <li class="mt35 pr">
-                <img src="/images/educoder/huangguan-three.png" class="huangguan"/>
-                <a href="/users/<%=(@tea_users[2].try(:login)) %>" class="color-dark"><%= image_tag(url_to_avatar(@tea_users[2])) %>
-                  <span class="task-hide rankName"><%= @tea_users[2].try(:show_name) %></span>
-                </a>
-              </li>
-          <% end %>
-        </ul>
-        <br/>
-        <ul class="grade mt30">
-          <% if @tea_users.size > 3 %>
-              <% @tea_users[3..@tea_users.size].each do |t_u| %>
-                  <li>
-                    <a href="/users/<%= t_u.try(:login) %>" class="color-dark"><%= image_tag(url_to_avatar(t_u)) %>
-                      <span class="task-hide rankName"><%= t_u.try(:show_name) %></span>
-                    </a>
-                  </li>
-              <% end %>
-          <% end %>
-        </ul>
-      </div>
-    </div>
-  </div>
+#   <div class="pt60 pb60 mb30 mentor-ranking">
+#     <div class="educontent">
+#       <div class="edu-txt-center">
+#         <p class="color-dark edu-txt-center font-24" style="line-height: 30px">导师排行榜</p>
+#         <p class="color-grey-cd font-12">MENTOR RANKING</p>
+#       </div>
+#       <div class="ranking clearfix">
+#         <ul class="grade color-dark">
+#           <% if @tea_users[1] %>
+#               <li class="mt35 pr">
+#                 <img src="/images/educoder/huangguan-two.png" class="huangguan"/>
+#                 <a href="/users/<%= (@tea_users[1].try(:login)) %>" class="color-dark"><%= image_tag(url_to_avatar(@tea_users[1])) %>
+#                   <span class="task-hide rankName"><%= @tea_users[1].try(:show_name) %></span>
+#                 </a>
+#               </li>
+#           <% end %>
+#           <% if @tea_users[0] %>
+#               <li class="pr">
+#                 <img src="/images/educoder/huangguan.png" class="huangguan"/>
+#                 <a href="/users/<%= (@tea_users[0].try(:login)) %>" class="color-dark"><%= image_tag(url_to_avatar(@tea_users[0])) %>
+#                   <span class="task-hide rankName"><%= @tea_users[0].try(:show_name) %></span>
+#                 </a>
+#               </li>
+#           <% end %>
+#           <% if @tea_users[2] %>
+#               <li class="mt35 pr">
+#                 <img src="/images/educoder/huangguan-three.png" class="huangguan"/>
+#                 <a href="/users/<%=(@tea_users[2].try(:login)) %>" class="color-dark"><%= image_tag(url_to_avatar(@tea_users[2])) %>
+#                   <span class="task-hide rankName"><%= @tea_users[2].try(:show_name) %></span>
+#                 </a>
+#               </li>
+#           <% end %>
+#         </ul>
+#         <br/>
+#         <ul class="grade mt30">
+#           <% if @tea_users.size > 3 %>
+#               <% @tea_users[3..@tea_users.size].each do |t_u| %>
+#                   <li>
+#                     <a href="/users/<%= t_u.try(:login) %>" class="color-dark"><%= image_tag(url_to_avatar(t_u)) %>
+#                       <span class="task-hide rankName"><%= t_u.try(:show_name) %></span>
+#                     </a>
+#                   </li>
+#               <% end %>
+#           <% end %>
+#         </ul>
+#       </div>
+#     </div>
+#   </div>
   <!--程序员排行榜-->
-  <div class="pt60 pb60 mb30 pro-ranking">
-    <div class="educontent">
-      <div class="edu-txt-center">
-        <p class="color-dark edu-txt-center font-24" style="line-height: 30px">程序员排行榜</p>
-        <p class="color-grey-cd font-12">PROGRAMMER RANKING</p>
-      </div>
-      <div class="ranking clearfix">
-        <ul class="grade color-dark">
-          <% if @stu_users[1] %>
-              <li class="mt35 pr">
-                <img src="/images/educoder/huangguan-two.png" class="huangguan"/>
-                <a href="/users/<%= @stu_users[1].try(:login) %>" class="color-dark"><%= image_tag(url_to_avatar(@stu_users[1])) %>
-                  <span class="task-hide rankName"><%= @stu_users[1].try(:show_name) %></span>
-                </a>
-              </li>
-          <% end %>
-          <% if @stu_users[0] %>
-              <li class="pr">
-                <img src="/images/educoder/huangguan.png" class="huangguan"/>
-                <a href="/users/<%= @stu_users[0].try(:login) %>" class="color-dark"><%= image_tag(url_to_avatar(@stu_users[0])) %>
-                  <span class="task-hide rankName"><%= @stu_users[0].try(:show_name) %></span>
-                </a>
-              </li>
-          <% end %>
-          <% if @stu_users[2] %>
-              <li class="mt35 pr">
-                <img src="/images/educoder/huangguan-three.png" class="huangguan"/>
-                <a href="/users/<%= (@stu_users[2].try(:login)) %>" class="color-dark"><%= image_tag(url_to_avatar(@stu_users[2])) %>
-                  <span class="task-hide rankName"><%= @stu_users[2].try(:show_name) %></span>
-                </a>
-              </li>
-          <% end %>
-        </ul>
-        <br/>
-        <ul class="grade mt30">
-          <% if @stu_users.size > 3 %>
-              <% @stu_users[3..@stu_users.size].each do |e_u| %>
-                  <li>
-                    <a href="/users/<%= e_u.try(:login) %>" class="color-dark"><%= image_tag(url_to_avatar(e_u)) %>
-                      <span class="task-hide rankName"><%= e_u.try(:show_name) %></span>
-                    </a>
-                  </li>
-              <% end %>
-          <% end %>
-        </ul>
-      </div>
-    </div>
-  </div>
+#   <div class="pt60 pb60 mb30 pro-ranking">
+#     <div class="educontent">
+#       <div class="edu-txt-center">
+#         <p class="color-dark edu-txt-center font-24" style="line-height: 30px">程序员排行榜</p>
+#         <p class="color-grey-cd font-12">PROGRAMMER RANKING</p>
+#       </div>
+#       <div class="ranking clearfix">
+#         <ul class="grade color-dark">
+#           <% if @stu_users[1] %>
+#               <li class="mt35 pr">
+#                 <img src="/images/educoder/huangguan-two.png" class="huangguan"/>
+#                 <a href="/users/<%= @stu_users[1].try(:login) %>" class="color-dark"><%= image_tag(url_to_avatar(@stu_users[1])) %>
+#                   <span class="task-hide rankName"><%= @stu_users[1].try(:show_name) %></span>
+#                 </a>
+#               </li>
+#           <% end %>
+#           <% if @stu_users[0] %>
+#               <li class="pr">
+#                 <img src="/images/educoder/huangguan.png" class="huangguan"/>
+#                 <a href="/users/<%= @stu_users[0].try(:login) %>" class="color-dark"><%= image_tag(url_to_avatar(@stu_users[0])) %>
+#                   <span class="task-hide rankName"><%= @stu_users[0].try(:show_name) %></span>
+#                 </a>
+#               </li>
+#           <% end %>
+#           <% if @stu_users[2] %>
+#               <li class="mt35 pr">
+#                 <img src="/images/educoder/huangguan-three.png" class="huangguan"/>
+#                 <a href="/users/<%= (@stu_users[2].try(:login)) %>" class="color-dark"><%= image_tag(url_to_avatar(@stu_users[2])) %>
+#                   <span class="task-hide rankName"><%= @stu_users[2].try(:show_name) %></span>
+#                 </a>
+#               </li>
+#           <% end %>
+#         </ul>
+#         <br/>
+#         <ul class="grade mt30">
+#           <% if @stu_users.size > 3 %>
+#               <% @stu_users[3..@stu_users.size].each do |e_u| %>
+#                   <li>
+#                     <a href="/users/<%= e_u.try(:login) %>" class="color-dark"><%= image_tag(url_to_avatar(e_u)) %>
+#                       <span class="task-hide rankName"><%= e_u.try(:show_name) %></span>
+#                     </a>
+#                   </li>
+#               <% end %>
+#           <% end %>
+#         </ul>
+#       </div>
+#     </div>
+#   </div>
 </div>