diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index d431cbfd..919e374b 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -33,6 +33,28 @@ module ApplicationHelper
   extend Forwardable
   def_delegators :wiki_helper, :wikitoolbar_for, :heads_for_wiki_formatter
 
+  # 课堂相关controller
+  def course_controller
+    ["courses", "homework_common", "student_work", "exercise", "poll", "boards", "messages", "graduation_topics", "graduation_tasks",
+    "graduation_works", "files"]
+  end
+
+  # 实训课程相关controller
+  def subjects_controller
+    ["subjects", "stages"]
+  end
+
+  # 实训路径相关controller
+  def shixuns_controller
+    ["shixuns", "challenges", "myshixuns", "games"]
+  end
+
+  # 工程认证相关controller
+  def ecs_controller
+    ["ecs", "ec_courses", "ec_course_evaluations", "ec_course_supports", "ec_course_targets", "ec_graduation_requirements",
+     "ec_major_schools", "ec_majors", "ec_years"]
+  end
+
   def exercise_bank_json_data exercises
     exercises.map do |exercise|
       exercise_path = exercise_bank_path(exercise)
diff --git a/app/models/homework_common.rb b/app/models/homework_common.rb
index 7d75daa2..314f604e 100644
--- a/app/models/homework_common.rb
+++ b/app/models/homework_common.rb
@@ -188,9 +188,9 @@ class HomeworkCommon < ActiveRecord::Base
     # end
   end
 
-  def is_program_homework?
-    self.homework_type == 2 && self.homework_detail_programing
-  end
+  # def is_program_homework?
+  #   self.homework_type == 2 && self.homework_detail_programing
+  # end
 
   def is_group_homework?
     self.homework_type == 3 && self.homework_detail_group
@@ -225,6 +225,6 @@ class HomeworkCommon < ActiveRecord::Base
     end
   end
 
-  delegate :language_name, :language, :to => :homework_detail_programing
+  # delegate :language_name, :language, :to => :homework_detail_programing
 
 end
diff --git a/app/models/student_work.rb b/app/models/student_work.rb
index 573b2cbe..7a7f5eb3 100644
--- a/app/models/student_work.rb
+++ b/app/models/student_work.rb
@@ -24,7 +24,7 @@ class StudentWork < ActiveRecord::Base
   scope :all_commit, lambda{where("work_status != 0")}
 
   before_destroy :delete_praise
-  before_save :set_program_score, :set_src
+  before_save :set_program_score
 
   after_save :update_avg_sum_score
   # after_create :act_as_message
@@ -34,25 +34,26 @@ class StudentWork < ActiveRecord::Base
     PraiseTread.where("praise_tread_object_id = #{self.id} AND praise_tread_object_type = 'StudentWork'").destroy_all
   end
 
-  def last_test
-    student_work_tests.order('id desc').first
-  end
+  # def last_test
+  #   student_work_tests.order('id desc').first
+  # end
 
   private
   def set_program_score
-    if self.homework_common.is_program_homework?       #编程作业，学生提交作品后计算系统得分
-      #根据最后一次测试计算得分
-      unless last_test
-        self.system_score = 0
-      else
-        self.system_score = last_test.test_score self.homework_common.homework_tests.size
-      end
-    end
+    # if self.homework_common.is_program_homework?       #编程作业，学生提交作品后计算系统得分
+    #   #根据最后一次测试计算得分
+    #   unless last_test
+    #     self.system_score = 0
+    #   else
+    #     self.system_score = last_test.test_score self.homework_common.homework_tests.size
+    #   end
+    # end
     set_final_score self.homework_common,self
   end
-  def set_src
-    self.description = last_test.src if last_test
-  end
+
+  # def set_src
+  #   self.description = last_test.src if last_test
+  # end
 
   #成绩计算
   def set_final_score homework,student_work
@@ -217,8 +218,8 @@ class StudentWork < ActiveRecord::Base
 
   # status == 0 : delay
   def act_as_message
-    if self.work_status != 0 && self.created_at > self.homework_common.end_time
-      self.course_messages << CourseMessage.new(:user_id => self.user_id, :course_id => self.homework_common.course_id, :viewed => false, :status => false)
-    end
+    # if self.work_status != 0 && self.created_at > self.homework_common.end_time
+    #   self.course_messages << CourseMessage.new(:user_id => self.user_id, :course_id => self.homework_common.course_id, :viewed => false, :status => false)
+    # end
   end
 end
diff --git a/app/views/layouts/_logined_header.html.erb b/app/views/layouts/_logined_header.html.erb
index 570d9f55..41fdfc64 100644
--- a/app/views/layouts/_logined_header.html.erb
+++ b/app/views/layouts/_logined_header.html.erb
@@ -2,10 +2,10 @@
   <%= link_to image_tag("/images/educoder/headNavLogo.png", alt:"高校智能化教学与实训平台", class:"logoimg"), home_path %>
   <div class="head-nav pr">
     <ul id="header-nav">
-      <li class="<%= params[:action] == "index" && params[:controller] == "subjects" ? " active" : "" %>"><%= link_to "实训课程", subjects_path %></li>
-      <li class="<%= params[:action] == "index" && params[:controller] == "courses" ? " active" : "" %>"><%= link_to "翻转课堂", courses_path %></li>
+      <li class="<%= subjects_controller.include?(params[:controller]) ? " active" : "" %>"><%= link_to "实训课程", subjects_path %></li>
+      <li class="<%= course_controller.include?(params[:controller]) ? " active" : "" %>"><%= link_to "翻转课堂", courses_path %></li>
       <!-- 精选实训 -->
-      <li class="pr<%= params[:action] == "index" && params[:controller] == "shixuns" ? " active" : "" %>"><%= link_to "开发社区", shixuns_path %><img src="/images/educoder/hot-h.png" class="nav-img" /></li>
+      <li class="pr<%= shixuns_controller.include?(params[:controller]) ? " active" : "" %>"><%= link_to "开发社区", shixuns_path %><img src="/images/educoder/hot-h.png" class="nav-img" /></li>
       
       <% careers = Career.published.order("created_at asc") %>
       <% if careers.present? %>
@@ -18,10 +18,10 @@
           </ul>
         </li>
       <% end %>
-      <li class="<%= params[:action] == "index" && params[:controller] == "competitions" ? " active" : "" %>"><%= link_to "竞赛", competitions_path %></li>
-      <li class="<%= params[:action] == "index" && params[:controller] == "forums" ? " active" : "" %>"><%= link_to "问答", forums_path %></li>
+      <li class="<%= params[:controller] == "competitions" ? " active" : "" %>"><%= link_to "竞赛", competitions_path %></li>
+      <li class="<%= params[:controller] == "forums" ? " active" : "" %>"><%= link_to "问答", forums_path %></li>
       <% if User.current.ec_school.present? %>
-        <li class="<%= params[:controller] == "ecs" ? " active" : "" %>" id="ec_banner">
+        <li class="<%= ecs_controller.include?(params[:controller]) ? " active" : "" %>" id="ec_banner">
           <%= link_to "认证", department_ecs_path(:school_id => User.current.ec_school) %>
         </li>
       <% end %>