diff --git a/db/migrate/20190530025028_migrate_homework_end_time.rb b/db/migrate/20190530025028_migrate_homework_end_time.rb
new file mode 100644
index 00000000..50b496d7
--- /dev/null
+++ b/db/migrate/20190530025028_migrate_homework_end_time.rb
@@ -0,0 +1,93 @@
+class MigrateHomeworkEndTime < ActiveRecord::Migration
+  def up
+    homework = HomeworkCommon.where(id: 18615).first
+    if homework.present?
+      transaction do
+        homework.student_works.where("work_status = 2 and commit_time is not null and commit_time <= '#{homework.end_time}'").each do |work|
+          work.work_status = 1
+          work.late_penalty = 0
+          score = work.final_score + work.eff_score - work.late_penalty
+          work.work_score = format("%.2f", score < 0 ? 0 : score.to_f) unless work.ultimate_score
+          work.save
+        end
+      end
+    end
+
+    homework = HomeworkCommon.where(id: 18614).first
+    if homework.present?
+      homework.update_column('end_time', '2019-05-20 00:00:00')
+      transaction do
+        homework.student_works.where("work_status = 2 and commit_time is not null and commit_time <= '2019-05-20 00:00:00'").each do |work|
+          work.work_status = 1
+          work.late_penalty = 0
+          score = work.final_score + work.eff_score - work.late_penalty
+          work.work_score = format("%.2f", score < 0 ? 0 : score.to_f) unless work.ultimate_score
+          work.save
+        end
+      end
+    end
+
+    homework = HomeworkCommon.where(id: 18617).first
+    if homework.present?
+      homework.update_column('end_time', '2019-05-29 00:00:00')
+      homework.save
+      transaction do
+        homework.student_works.where("work_status = 2 and commit_time is not null and commit_time <= '2019-05-29 00:00:00'").each do |work|
+          work.work_status = 1
+          work.late_penalty = 0
+          score = work.final_score + work.eff_score - work.late_penalty
+          work.work_score = format("%.2f", score < 0 ? 0 : score.to_f) unless work.ultimate_score
+          work.save
+        end
+      end
+    end
+
+    homework = HomeworkCommon.where(id: 18616).first
+    if homework.present?
+      homework.update_column('end_time', '2019-06-10 00:00:00')
+      homework.save
+      transaction do
+        homework.student_works.where("work_status = 2 and commit_time is not null and commit_time <= '2019-06-10 00:00:00'").each do |work|
+          work.work_status = 1
+          work.late_penalty = 0
+          score = work.final_score + work.eff_score - work.late_penalty
+          work.work_score = format("%.2f", score < 0 ? 0 : score.to_f) unless work.ultimate_score
+          work.save
+        end
+      end
+    end
+
+    homework = HomeworkCommon.where(id: 25901).first
+    if homework.present?
+      homework.update_column('end_time', '2019-06-16 00:00:00')
+      homework.save
+      transaction do
+        homework.student_works.where("work_status = 2 and commit_time is not null and commit_time <= '2019-06-16 00:00:00'").each do |work|
+          work.work_status = 1
+          work.late_penalty = 0
+          score = work.final_score + work.eff_score - work.late_penalty
+          work.work_score = format("%.2f", score < 0 ? 0 : score.to_f) unless work.ultimate_score
+          work.save
+        end
+      end
+    end
+
+    homework = HomeworkCommon.where(id: 25902).first
+    if homework.present?
+      homework.update_column('end_time', '2019-06-17 00:00:00')
+      homework.save
+      transaction do
+        homework.student_works.where("work_status = 2 and commit_time is not null and commit_time <= '2019-06-17 00:00:00'").each do |work|
+          work.work_status = 1
+          work.late_penalty = 0
+          score = work.final_score + work.eff_score - work.late_penalty
+          work.work_score = format("%.2f", score < 0 ? 0 : score.to_f) unless work.ultimate_score
+          work.save
+        end
+      end
+    end
+  end
+
+  def down
+  end
+end