diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index cafec1c62..707e87fd1 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -360,6 +360,9 @@ update
       end
       # end
       @changesets_latest_coimmit = @changesets[0]
+      unless @changesets[0].blank?
+        update_commits_date(@project, @changesets_latest_coimmit)
+      end
       @properties = @repository.properties(@path, @rev)
       @repositories = @project.repositories
       @course_tag = params[:course]
@@ -589,6 +592,11 @@ update
     project.project_score.update_attribute(:changeset_num, count)
   end
 
+  # 更新项目提交次数时间
+  def update_commits_date project, date
+    project.project_score.update_attribute(:commit_time, date.created_at)
+  end
+
   def find_repository
     @repository = Repository.find(params[:id])
     @project = @repository.project
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 51138f2ef..3a0808bdd 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -49,6 +49,11 @@ module ApplicationHelper
     end
   end
 
+  def link_to_user_version(version, options = {})
+    return '' unless version && version.is_a?(Version)
+    link_to_if version.visible?, format_version_name(version), { :controller => 'versions', :action => 'show', :id => version }, :class => " f16 fb c_dblue "
+  end
+
   # 判断课程是否为精品课程
   def is_excellent_course course
     (course.is_excellent? or course.excellent_option?) ? true : false
diff --git a/app/helpers/users_helper.rb b/app/helpers/users_helper.rb
index 43ef7cefc..bfc01a102 100644
--- a/app/helpers/users_helper.rb
+++ b/app/helpers/users_helper.rb
@@ -85,11 +85,6 @@ module UsersHelper
     end
   end
 
-  def link_to_user_version(version, options = {})
-    return '' unless version && version.is_a?(Version)
-    link_to_if version.visible?, format_version_name(version), { :controller => 'versions', :action => 'show', :id => version }, :class => " f16 fb c_dblue "
-  end
-
   # 统计未读消息数
   def unviewed_message(user)
     course_count = CourseMessage.where("user_id =? and viewed =?", user, 0).count
diff --git a/db/migrate/20160122094805_excellent_course.rb b/db/migrate/20160122094805_excellent_course.rb
new file mode 100644
index 000000000..465b81464
--- /dev/null
+++ b/db/migrate/20160122094805_excellent_course.rb
@@ -0,0 +1,17 @@
+class ExcellentCourse < ActiveRecord::Migration
+  def up
+    arr = [302,192,370,394,183,361,117,218,379,178,418,203,342,403,225]
+    for i in 0..arr.length-1
+      begin
+        puts arr[i]
+        course = Course.find(arr[i])
+        course.update_attribute(:is_excellent, true)
+      rescue
+        logger.error("Course is not found!")
+      end
+    end
+  end
+
+  def down
+  end
+end
diff --git a/db/migrate/20160122094829_excellent_option_course.rb b/db/migrate/20160122094829_excellent_option_course.rb
new file mode 100644
index 000000000..30ee53ba3
--- /dev/null
+++ b/db/migrate/20160122094829_excellent_option_course.rb
@@ -0,0 +1,19 @@
+class ExcellentOptionCourse < ActiveRecord::Migration
+  def up
+    arr = [151,122,15,227,139,410,291,224,55,137,414,43,417,52,205,44,216,132,204,258,411,50,
+           419,390,420,133,91,112,202,95,194,34,172,403,177,252,138,352,225,46,279,382,397,286,344,27,175,
+           124,265,88,59,110,72,92,392,413,26,201,94,57,156,393,154,12,262]
+    for i in 0..arr.length-1
+      begin
+        puts arr[i]
+        course = Course.find(arr[i])
+        course.update_attribute(:excellent_option, true)
+      rescue
+        logger.error("Course is not found!")
+      end
+    end
+  end
+
+  def down
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7e6291806..fb021e9ae 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20160122083507) do
+ActiveRecord::Schema.define(:version => 20160122094829) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -1372,6 +1372,7 @@ ActiveRecord::Schema.define(:version => 20160122083507) do
     t.integer  "board_message_num", :default => 0
     t.integer  "board_num",         :default => 0
     t.integer  "attach_num",        :default => 0
+    t.datetime "commit_time"
   end
 
   create_table "project_statuses", :force => true do |t|