diff --git a/db/migrate/20150829024549_course_messages.rb b/db/migrate/20150829024549_course_messages.rb
index a26a5a281..666ccdaeb 100644
--- a/db/migrate/20150829024549_course_messages.rb
+++ b/db/migrate/20150829024549_course_messages.rb
@@ -76,35 +76,34 @@ class CourseMessages < ActiveRecord::Migration
         end
 
         # 作品评阅
-        course.homework_commons.each do |homework_common|
-          if homework_common.student_works
-            homework_common.student_works.each do |student_work|
-              if student_work.student_works_scores
-                student_work.student_works_scores.each do |student_works_score|
-                  receiver = student_works_score.student_work.user
-                  if student_works_score.created_at == student_works_score.updated_at
-                    if student_works_score.comment.nil?
-                      student_works_score.course_messages << CourseMessage.new(:user_id => receiver.id, :course_id => course.id,
-                                                                :viewed => true, :content => "作业评分：#{student_works_score.score}", :status=> true)
-                    else
-                      student_works_score.course_messages << CourseMessage.new(:user_id => receiver.id, :course_id => course.id,
-                                                                :viewed => true, :content => "作业评分：#{student_works_score.score}&nbsp;&nbsp;&nbsp; 评语：#{student_works_score.comment}", :status=> true)
-                    end
-                  else # 更新
-                    if student_works_score.comment.nil?
-                      student_works_score.course_messages << CourseMessage.new(:user_id => receiver.id, :course_id => course.id,
-                                                                :viewed => true, :content => "作业评分：#{student_works_score.score}", :status=> true)
-                    else
-                      student_works_score.course_messages << CourseMessage.new(:user_id => receiver.id, :course_id => course.id,
-                                                                :viewed => true, :content => "作业评分：#{student_works_score.score}&nbsp;&nbsp;&nbsp; 评语：#{student_works_score.comment}", :status=> true)
-                    end
-                  end
-                end
-              end
-            end
-          end
-        end
-
+        # course.homework_commons.each do |homework_common|
+        #   if homework_common.student_works
+        #     homework_common.student_works.each do |student_work|
+        #       if student_work.student_works_scores
+        #         student_work.student_works_scores.each do |student_works_score|
+        #           receiver = student_works_score.student_work.user
+        #           if student_works_score.created_at == student_works_score.updated_at
+        #             if student_works_score.comment.nil?
+        #               student_works_score.course_messages << CourseMessage.new(:user_id => receiver.id, :course_id => course.id,
+        #                                                         :viewed => true, :content => "作业评分：#{student_works_score.score}", :status=> true)
+        #             else
+        #               student_works_score.course_messages << CourseMessage.new(:user_id => receiver.id, :course_id => course.id,
+        #                                                         :viewed => true, :content => "作业评分：#{student_works_score.score}&nbsp;&nbsp;&nbsp; 评语：#{student_works_score.comment}", :status=> true)
+        #             end
+        #           else # 更新
+        #             if student_works_score.comment.nil?
+        #               student_works_score.course_messages << CourseMessage.new(:user_id => receiver.id, :course_id => course.id,
+        #                                                         :viewed => true, :content => "作业评分：#{student_works_score.score}", :status=> true)
+        #             else
+        #               student_works_score.course_messages << CourseMessage.new(:user_id => receiver.id, :course_id => course.id,
+        #                                                         :viewed => true, :content => "作业评分：#{student_works_score.score}&nbsp;&nbsp;&nbsp; 评语：#{student_works_score.comment}", :status=> true)
+        #             end
+        #           end
+        #         end
+        #       end
+        #     end
+        #   end
+        # end
         # 作品讨论
 
       end
diff --git a/db/migrate/20150829081822_update_message_time.rb b/db/migrate/20150829081822_update_message_time.rb
index 0bbc4458c..31dcb0b4f 100644
--- a/db/migrate/20150829081822_update_message_time.rb
+++ b/db/migrate/20150829081822_update_message_time.rb
@@ -20,7 +20,7 @@ class UpdateMessageTime < ActiveRecord::Migration
       end
     end
 
-    forge_count = ForgeMessage.all.count / 30 + 2
+    forge_count = ForgeMessage.all.count / 30 + 1
     transaction do
       for i in 1 ... forge_count do i
       ForgeMessage.page(i).per(30).each do |fmessage|