diff --git a/app/helpers/courses_helper.rb b/app/helpers/courses_helper.rb
index a1ec84ad8..ac15bd9be 100644
--- a/app/helpers/courses_helper.rb
+++ b/app/helpers/courses_helper.rb
@@ -14,16 +14,16 @@ module CoursesHelper
 
   # 返回教师数量，即roles表中定义的Manager
   def teacherCount project
-    # searchCountByRoles project, TeacherRoles
+    searchCountByRoles project, TeacherRoles
     # or
-    searchTeacherAndAssistant(project).count
+    # searchTeacherAndAssistant(project).count
   end
 
   # 返回学生数量，即roles表中定义的Reporter
   def studentCount project
-    # searchCountByRoles project,StudentRoles
+    searchCountByRoles project,StudentRoles
     # or
-    searchStudent(project).count
+    # searchStudent(project).count
   end
 
   # =====================================================================================
@@ -38,29 +38,29 @@ module CoursesHelper
   # =====================================================================================
 
   def searchCountByRoles project, roles_id
-    people = searchPeopleByRoles project, roles_id
-    people.count
+    members = searchPeopleByRoles project, roles_id
+    members.count
   end
 
   def searchPeopleByRoles project, roles_id
-    people = []
+    members = []
     begin
-      people = project.members.joins(:member_roles).where("member_roles.role_id IN (:role_id)", {:role_id => roles_id})
+      members = project.members.joins(:member_roles).where("member_roles.role_id IN (:role_id)", {:role_id => roles_id})
     rescue Exception => e
       logger.error "[CoursesHelper] ===> #{e}"
     end
-    people
+    members
   end
 
   #useless
-  def searchPeopleByRole project, role_id
-    people = []
+  def searchMembersByRole project, role_id
+    members = []
     begin
-      people = project.members.joins(:member_roles).where("member_roles.role_id = :role_id", {:role_id => role_id })
+      members = project.members.joins(:member_roles).where("member_roles.role_id = :role_id", {:role_id => role_id })
     rescue Exception => e
       logger.error "[CoursesHelper] ===> #{e}"
     end
-    people
+    members
   end
 
   def findCourseTime project
@@ -78,4 +78,13 @@ module CoursesHelper
     end
     str
   end
+
+  def members_to_user_ids members
+    people = []
+    members.each { |member|
+      people << member.user_id
+    }
+    people
+  end
+
 end
diff --git a/app/helpers/users_helper.rb b/app/helpers/users_helper.rb
index 8fd923234..647e76657 100644
--- a/app/helpers/users_helper.rb
+++ b/app/helpers/users_helper.rb
@@ -214,4 +214,24 @@ module UsersHelper
     person_gender = user.user_extensions.gender
     img_uri = (person_gender == 1) ? '/images/sidebar/female.png' : '/images/sidebar/male.png'
   end
+
+  include CoursesHelper
+  def is_watching?(user)
+    login_user = User.current# 登录者
+
+    courses = user.projects.where('project_type=1')
+    return true if ((login_user == user) or login_user.admin?)
+    courses.each do |course|
+      return true if login_user.member_of?(course)
+    end
+    ## 下面的代码只判断是否是老师或者助教，上面是成员都可以看到
+    # people_ids = []
+    # user.projects.where('project_type=1').each do |project|
+    #   tmp = searchTeacherAndAssistant(project)
+    #   people_ids += (members_to_user_ids(tmp)) unless tmp.nil?
+    # end
+    # people_ids.include?(login_user.id) or (login_user == user) or login_user.admin?
+    
+    false
+  end
 end
diff --git a/app/models/user_extensions.rb b/app/models/user_extensions.rb
index aae6ada61..64229f517 100644
--- a/app/models/user_extensions.rb
+++ b/app/models/user_extensions.rb
@@ -1,3 +1,10 @@
+=begin
+  identity字段含义
+  0 教师教授
+  1 学生
+  2 企业
+  3 开发者
+=end
 class UserExtensions < ActiveRecord::Base
   belongs_to :user
   attr_accessible :user_id,:birthday,:brief_introduction,:gender,:location,:occupation,:work_experience,:zip_code,:identity, :technical_title,:student_id
diff --git a/app/views/layouts/base_projects.html.erb b/app/views/layouts/base_projects.html.erb
index 808bb2aba..403c74878 100644
--- a/app/views/layouts/base_projects.html.erb
+++ b/app/views/layouts/base_projects.html.erb
@@ -62,9 +62,9 @@
 											<div class="info-course">
 												<%= @project.name %>
 											</div>
-											<div>				
+											<div style="text-align: center;">				
 												<% unless User.current.member_of? @project %>
-												   <%= watcher_link(@project, User.current) %>
+												   <span class="icon-fav icon"></span><%= watcher_link(@project, User.current) %>
 												<% end %>
 											</div></td>
 										</tr>
diff --git a/app/views/layouts/base_users.html.erb b/app/views/layouts/base_users.html.erb
index 28a76d249..923c7bf0d 100644
--- a/app/views/layouts/base_users.html.erb
+++ b/app/views/layouts/base_users.html.erb
@@ -27,7 +27,7 @@
 									<table>
 										<tr>
 									<td class="info_font" style="width: 238px; color: #15bccf"><%= l(:label_user_home) %></td>
-									<td style="width: 430px; color: #15bccf""><strong><%= l(:label_user_location) %> : </strong></td>
+									<td style="width: 430px; color: #15bccf"><strong><%= l(:label_user_location) %> : </strong></td>
 									<td rowspan="2" width="250px">
 										<div class="top-content-search">
 											<%= form_tag(:controller => 'users', :action => 'search', :method => :get) do %>
@@ -143,7 +143,7 @@
 												<%= l(:label_technical_title) %>:</td><td class="font_lighter_sidebar" style="padding-left: 0px" width="170px"><%= @user.user_extensions.technical_title %></td>
 												<% end %>
 											</tr>
-											<% if @user.user_extensions.identity == 1 %>
+											<% if( (@user.user_extensions.identity == 1) && (is_watching?(@user) ) )%>
 											<tr>
 												<td style="padding-left: 8px" width="70px"><%= l(:label_bidding_user_studentcode)%>:</td><td class="font_lighter_sidebar" style="padding-left: 0px" width="170px"><%= @user.user_extensions.student_id %></td>
 											</tr>