diff --git a/app/controllers/ecs_controller.rb b/app/controllers/ecs_controller.rb
index 5d391a5d..f31bea88 100644
--- a/app/controllers/ecs_controller.rb
+++ b/app/controllers/ecs_controller.rb
@@ -1,5 +1,5 @@
 class EcsController < ApplicationController
-  before_filter :require_login
+  before_filter :require_login, :except => [:get_navigation_url]
   before_filter :find_school, :except => [:get_navigation_url]
   before_filter :school_manager, :except => [:department, :get_navigation_url]
   layout 'base_ec'
diff --git a/app/services/discusses_service.rb b/app/services/discusses_service.rb
index a43ccfa8..cebdf426 100644
--- a/app/services/discusses_service.rb
+++ b/app/services/discusses_service.rb
@@ -30,14 +30,15 @@ class DiscussesService
     memo_count = memos.count
     memos = memos.offset(offset).limit(15)
     #实训标签使用最多的9个
-    hot_tags = TagRepertoire.find_by_sql("select a.name, sum(a.cnt) cnt, a.id from
-                                          (select tr.id, tr.name, count(d.dis_id) cnt, d.root_id, s.status, s.hidden
-                                          from tag_repertoires tr join (shixun_tag_repertoires str
-                                          left join (shixuns s join discusses d on d.dis_id = s.id and d.root_id is null and s.status =2 and s.hidden=false)
-                                          on s.id = str.shixun_id) on tr.id = str.tag_repertoire_id
-                                          group by d.dis_id order by cnt desc) a group by a.name
-                                          order by cnt desc limit 9").map{|ht| ht.attributes.dup}
-
+    # hot_tags = TagRepertoire.find_by_sql("select a.name, sum(a.cnt) cnt, a.id from
+    #                                       (select tr.id, tr.name, count(d.dis_id) cnt, d.root_id, s.status, s.hidden
+    #                                       from tag_repertoires tr join (shixun_tag_repertoires str
+    #                                       left join (shixuns s join discusses d on d.dis_id = s.id and d.root_id is null and s.status =2 and s.hidden=false)
+    #                                       on s.id = str.shixun_id) on tr.id = str.tag_repertoire_id
+    #                                       group by d.dis_id order by cnt desc) a group by a.name
+    #                                       order by cnt desc limit 9").map{|ht| ht.attributes.dup}
+    tag_id = ShixunTagRepertoire.joins(:shixun).order("myshixuns_count desc").pluck(:tag_repertoire_id).uniq.first(9)
+    hot_tags = TagRepertoire.select([:id, :name]).where(:id => tag_id).order("FIELD(id, #{tag_id.join(",")})") if tag_id
     memos = memo_list memos
     user_info = format_for_current_user current_user
     hot_memos = Memo.field_for_recommend.posts.hot.limit(4)
diff --git a/app/views/competitions/_header.html.erb b/app/views/competitions/_header.html.erb
index 1739ed7d..698238cb 100644
--- a/app/views/competitions/_header.html.erb
+++ b/app/views/competitions/_header.html.erb
@@ -65,29 +65,28 @@
       <div class="nav-border"><p id="nav-white"></p></div>
     </ul>
     <div class="fr edu-menu-panel ml15" style="height:60px;">
-    <% if User.current.logged? %>
+      <% if User.current.logged? %>
         <%= link_to (image_tag(url_to_avatar(User.current), :width =>"34", :height => "34", :class => "radius", :nhname => "avatar_image", :alt=>"头像", :id => "nh_user_logo")), user_path(User.current),:class => "fr mt15 ml40" %>
-    <% else %>
-        <span class="fr font-16 color-white mt13 ml40"><a href="<%= signin_path %>" class="color-white mr3">登录</a>/<a href="<%= user_join_path %>" class="color-white ml3">注册</a></span>
-    <% end %>
-
-      <ul class="edu-menu-list edu-menu-lists" style="top:60px;">
-        <span class="bor-bottom-greyE currentName task-hide"><%= User.current.show_name %></span>
-        <li><%= link_to '我的课堂', user_path(User.current) %></li>
-        <li><%= link_to '我的实训', user_path(User.current, :type => 'a_shixun') %></li>
-        <li><%= link_to '我的实践课程', user_path(User.current, :type => 'a_path') %></li>
-        <% if User.current.partner.present? %>
-          <li><%= link_to '客户管理', partner_list_cooperate_path(User.current.partner) %></li>
-        <% end %>
-        <li><%= link_to '我的项目', user_path(User.current, :type => 'a_project') %></li>
-        <li><%= link_to '我的众包', user_path(User.current, :type => 'a_package') %></li>
+        <ul class="edu-menu-list edu-menu-lists" style="top:60px;">
+          <span class="bor-bottom-greyE currentName task-hide"><%= User.current.show_name %></span>
+          <li><%= link_to '我的课堂', user_path(User.current) %></li>
+          <li><%= link_to '我的实训', user_path(User.current, :type => 'a_shixun') %></li>
+          <li><%= link_to '我的实践课程', user_path(User.current, :type => 'a_path') %></li>
+          <% if User.current.partner.present? %>
+            <li><%= link_to '客户管理', partner_list_cooperate_path(User.current.partner) %></li>
+          <% end %>
+          <li><%= link_to '我的项目', user_path(User.current, :type => 'a_project') %></li>
+          <li><%= link_to '我的众包', user_path(User.current, :type => 'a_package') %></li>
 
-        <% if User.current.department_members.count > 0 %>
-          <li><%= link_to '学院统计', statistics_college_path(User.current.department_members.first.try(:department)) %></li>
-        <% end %>
-        <li><%= link_to '账号管理', my_account_path %></li>
-        <li class="bor-top-greyE"><%= link_to '退出', signout_path %></li>
-      </ul>
+          <% if User.current.department_members.count > 0 %>
+            <li><%= link_to '学院统计', statistics_college_path(User.current.department_members.first.try(:department)) %></li>
+          <% end %>
+          <li><%= link_to '账号管理', my_account_path %></li>
+          <li class="bor-top-greyE"><%= link_to '退出', signout_path %></li>
+        </ul>
+      <% else %>
+        <span class="fr font-16 color-white mt13 ml40"><a href="<%= signin_path %>" class="color-white mr3">登录</a>/<a href="<%= user_join_path %>" class="color-white ml3">注册</a></span>
+      <% end %>
     </div>
   </div>
 </div>