diff --git a/db/migrate/20140603033359_add_boards_type_to_boards.rb b/db/migrate/20140603033359_add_boards_type_to_boards.rb
index fcef8b11..85b3723f 100644
--- a/db/migrate/20140603033359_add_boards_type_to_boards.rb
+++ b/db/migrate/20140603033359_add_boards_type_to_boards.rb
@@ -11,7 +11,7 @@ class AddBoardsTypeToBoards < ActiveRecord::Migration
      if project && project.project_type == 1
         board.course_id = project.course_extra.id
         board.project_id = -1
-        board.save
+        board.save(:validate => false)
       end
      end
 
diff --git a/db/migrate/20140603042015_stored_course_procedure.rb b/db/migrate/20140603042015_stored_course_procedure.rb
index 5dd6bc38..2f5faf5c 100644
--- a/db/migrate/20140603042015_stored_course_procedure.rb
+++ b/db/migrate/20140603042015_stored_course_procedure.rb
@@ -8,13 +8,19 @@ class StoredCourseProcedure < ActiveRecord::Migration
       if project.project_type == 1
         course = Course.find_by_extra(project.identifier)
         if course
-          course.name = project.name
-          course.description = project.description
-          course.status = project.status
-          course.attachmenttype = 2
+          sql = "update courses set name='" + project.name.to_s + "',description='"
+          sql += project.description.to_s + "',status=" + project.status.to_s
+          sql += ",attachmenttype=2 where id=" +course.id.to_s
+          execute(sql)
+
+          # 以下方式保存，描述等经常不能成功
+          #course.name = project.name
+          #course.description = project.description
+          #course.status = project.status
+          #course.attachmenttype = 2
           #course.lft = project.lft
           #course.rgt = project.rgt
-          course.save
+          #course.save(:validate => false)
 
           # 更新状态表
           projectstatus = ProjectStatus.find_by_project_id(project.id)
@@ -25,7 +31,7 @@ class StoredCourseProcedure < ActiveRecord::Migration
             courseStatus.watchers_count = projectstatus.watchers_count
             courseStatus.grade = projectstatus.grade
             courseStatus.course_ac_para = projectstatus.course_ac_para
-            courseStatus.save
+            courseStatus.save(:validate => false)
           end
         end
       end
diff --git a/db/migrate/20140603081801_add_courseid_to_enabled_modules.rb b/db/migrate/20140603081801_add_courseid_to_enabled_modules.rb
index be4fe7e6..61484481 100644
--- a/db/migrate/20140603081801_add_courseid_to_enabled_modules.rb
+++ b/db/migrate/20140603081801_add_courseid_to_enabled_modules.rb
@@ -6,12 +6,13 @@ class AddCourseidToEnabledModules < ActiveRecord::Migration
     #EnabledModule.where('project_id IN (SELECT id FROM projects WHERE project_type=1)').update_all("course_id = project_id")
     #EnabledModule.where('project_id IN (SELECT id FROM projects WHERE project_type=1)').update_all(project_id: -1)
 
+
     EnabledModule.all.each do |enablemodule|
       project = Project.find_by_id(enablemodule.project_id)
       if project && project.project_type == 1
        enablemodule.course_id = project.course_extra.id
         enablemodule.project_id = -1
-       enablemodule.save
+       enablemodule.save(:validate => false)
       end
     end
   end
diff --git a/db/migrate/20140604011630_add_courseid_to_to_members.rb b/db/migrate/20140604011630_add_courseid_to_to_members.rb
index 583e3a2d..1fb547d6 100644
--- a/db/migrate/20140604011630_add_courseid_to_to_members.rb
+++ b/db/migrate/20140604011630_add_courseid_to_to_members.rb
@@ -15,7 +15,7 @@ class AddCourseidToToMembers < ActiveRecord::Migration
       if project && project.project_type == 1
         member.course_id = project.course_extra.id
         member.project_id = -1
-       member.save
+       member.save(:validate => false)
      end
     end
   end
diff --git a/db/migrate/20140604071624_rename_project_id_to_homework_for_courses.rb b/db/migrate/20140604071624_rename_project_id_to_homework_for_courses.rb
index 613f141c..e9cf6ee1 100644
--- a/db/migrate/20140604071624_rename_project_id_to_homework_for_courses.rb
+++ b/db/migrate/20140604071624_rename_project_id_to_homework_for_courses.rb
@@ -7,7 +7,7 @@ class RenameProjectIdToHomeworkForCourses < ActiveRecord::Migration
       project = Project.find_by_id(work.course_id)
       if project && project.project_type == 1
         work.course_id = project.course_extra.id
-        work.save
+        work.save(:validate => false)
       end
     end
   end
diff --git a/db/migrate/20140605025300_create_course_infos.rb b/db/migrate/20140605025300_create_course_infos.rb
index b1947f3d..daf9f953 100644
--- a/db/migrate/20140605025300_create_course_infos.rb
+++ b/db/migrate/20140605025300_create_course_infos.rb
@@ -16,7 +16,7 @@ class CreateCourseInfos < ActiveRecord::Migration
             courseinfo = CourseInfos.new
             courseinfo.course_id = course.id
             courseinfo.user_id = projinfo.user_id
-            courseinfo.save
+            courseinfo.save(:validate => false)
           end
         end
       end
diff --git a/db/migrate/20140605025303_migrate_course_tags.rb b/db/migrate/20140605025303_migrate_course_tags.rb
index 6e95839e..83926ae8 100644
--- a/db/migrate/20140605025303_migrate_course_tags.rb
+++ b/db/migrate/20140605025303_migrate_course_tags.rb
@@ -7,7 +7,7 @@ class MigrateCourseTags < ActiveRecord::Migration
       if project && project.project_type == 1
         tagging.taggable_type= 'Course'
         tagging.taggable_id = project.course_extra.id
-        tagging.save
+        tagging.save(:validate => false)
       end
     end
   end
diff --git a/db/migrate/20140606027403_migrate_course_journals.rb b/db/migrate/20140606027403_migrate_course_journals.rb
index 4a13ef38..b601483a 100644
--- a/db/migrate/20140606027403_migrate_course_journals.rb
+++ b/db/migrate/20140606027403_migrate_course_journals.rb
@@ -6,7 +6,7 @@ class MigrateCourseJournals < ActiveRecord::Migration
       if project && project.project_type == 1
         journal.jour_type = 'Course'
         journal.jour_id = project.course_extra.id
-        journal.save
+        journal.save(:validate => false)
       end
       # 将自动设置的更新日期还原
       sql = ActiveRecord::Base.connection()
diff --git a/db/migrate/20140606028512_add_course_roles.rb b/db/migrate/20140606028512_add_course_roles.rb
index 7b84b92a..3435dd25 100644
--- a/db/migrate/20140606028512_add_course_roles.rb
+++ b/db/migrate/20140606028512_add_course_roles.rb
@@ -47,7 +47,7 @@ class AddCourseRoles < ActiveRecord::Migration
       role.permissions.append(:view_course_files )
       role.permissions.append(:view_course_journals_for_messages )
       role.permissions.append(:view_course_messages )
-      role.save
+      role.save(:validate => false)
     end
   end
 
diff --git a/db/migrate/20140611161801_add_courseid_to_news.rb b/db/migrate/20140611161801_add_courseid_to_news.rb
index 5ca62a6a..b1a34938 100644
--- a/db/migrate/20140611161801_add_courseid_to_news.rb
+++ b/db/migrate/20140611161801_add_courseid_to_news.rb
@@ -12,7 +12,7 @@ class AddCourseidToNews < ActiveRecord::Migration
       if project && project.project_type == 1
         news.course_id = project.course_extra.id
         news.project_id = -1
-        news.save
+        news.save(:validate => false)
       end
     end
 
diff --git a/db/migrate/20140618020535_remove_data_to_homework_attach.rb b/db/migrate/20140618020535_remove_data_to_homework_attach.rb
index 16a1b491..9067e406 100644
--- a/db/migrate/20140618020535_remove_data_to_homework_attach.rb
+++ b/db/migrate/20140618020535_remove_data_to_homework_attach.rb
@@ -11,7 +11,7 @@ class RemoveDataToHomeworkAttach < ActiveRecord::Migration
       homework.description = biding.description
       homework.user_id = biding.user_id
       homework.state = 0
-      homework.save
+      homework.save(:validate => false)
     end
   end
 
diff --git a/db/migrate/20140618105213_migrate_course_students.rb b/db/migrate/20140618105213_migrate_course_students.rb
index ef037682..9eb43e4b 100644
--- a/db/migrate/20140618105213_migrate_course_students.rb
+++ b/db/migrate/20140618105213_migrate_course_students.rb
@@ -5,7 +5,7 @@ class MigrateCourseStudents < ActiveRecord::Migration
         project = Project.find_by_id(student.course_id)
         if project && project.course_extra
           student.course_id = project.course_extra.id
-          student.save
+          student.save(:validate => false)
         end
     end
   end
diff --git a/db/migrate/20140618155324_migrate_course_file_type.rb b/db/migrate/20140618155324_migrate_course_file_type.rb
index 6cbf3b87..a91b1461 100644
--- a/db/migrate/20140618155324_migrate_course_file_type.rb
+++ b/db/migrate/20140618155324_migrate_course_file_type.rb
@@ -4,7 +4,7 @@ class MigrateCourseFileType < ActiveRecord::Migration
     Attachment.all.each do |attach|
       if attach.container_type == "Course" && attach.attachtype == 1
         attach.attachtype = 4
-        attach.save
+        attach.save(:validate => false)
       end
     end
   end
diff --git a/db/migrate/20140626012511_modify_student_roles.rb b/db/migrate/20140626012511_modify_student_roles.rb
index 1db0a734..18274871 100644
--- a/db/migrate/20140626012511_modify_student_roles.rb
+++ b/db/migrate/20140626012511_modify_student_roles.rb
@@ -6,7 +6,7 @@ class ModifyStudentRoles < ActiveRecord::Migration
     role = Role.find_by_name('学生')
     if role
       role.permissions.append(:add_messages)
-      role.save
+      role.save(:validate => false)
     end
   end
 
diff --git a/db/schema.rb b/db/schema.rb
index cc3d68cb..9962892d 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1041,13 +1041,11 @@ ActiveRecord::Schema.define(:version => 20140626012511) do
   end
 
   create_table "user_scores", :force => true do |t|
-    t.integer  "user_id",       :null => false
-    t.integer  "collaboration"
-    t.integer  "influence"
-    t.integer  "skill"
-    t.integer  "active"
-    t.datetime "created_at",    :null => false
-    t.datetime "updated_at",    :null => false
+    t.integer "user_id"
+    t.integer "collaboration"
+    t.integer "influence"
+    t.integer "skill"
+    t.integer "activity"
   end
 
   create_table "user_statuses", :force => true do |t|