diff --git a/db/migrate/20190309085449_migrate_course_members.rb b/db/migrate/20190309085449_migrate_course_members.rb
index ef8741bfb..8e828610e 100644
--- a/db/migrate/20190309085449_migrate_course_members.rb
+++ b/db/migrate/20190309085449_migrate_course_members.rb
@@ -1,27 +1,27 @@
 class MigrateCourseMembers < ActiveRecord::Migration[5.2]
   def change
-    add_column :course_groups, :position, :integer, default: 0
-
-    Course.find_each do |course|
-      position = 1
-      course.course_groups.reorder("CONVERT(course_groups.name USING gbk) COLLATE gbk_chinese_ci ASC").find_each do |group|
-        group.update_attribute(:position, position)
-        position += 1
-      end
-    end
-
-
-    add_column :course_groups, :course_members_count, :integer, default: 0
-
-    CourseGroup.find_each do |g|
-      CourseGroup.reset_counters g.id, :course_members
-    end
+    # add_column :course_groups, :position, :integer, default: 0
+    #
+    # Course.find_each do |course|
+    #   position = 1
+    #   course.course_groups.reorder("CONVERT(course_groups.name USING gbk) COLLATE gbk_chinese_ci ASC").find_each do |group|
+    #     group.update_attribute(:position, position)
+    #     position += 1
+    #   end
+    # end
+    #
+    #
+    # add_column :course_groups, :course_members_count, :integer, default: 0
+    #
+    # CourseGroup.find_each do |g|
+    #   CourseGroup.reset_counters g.id, :course_members
+    # end
 
     ActiveRecord::Base.transaction do
       begin
         Member.where("course_id != -1").find_each do |member|
           if member.course && member.user
-            puts(member.course_id)
+            puts(member.id)
             member.member_roles.each do |role|
               course_member_role = role.role_id == 3 ? 1 : (role.role_id == 9 ? 2 : (role.role_id == 7 ? 3 : 4))
               member_group_id = role.role_id == 10 ? member.course_group_id : 0