diff --git a/db/migrate/20190823023738_change_exericse_1936_scores.rb b/db/migrate/20190823090957_rechange_exercise_1936_scores.rb
similarity index 93%
rename from db/migrate/20190823023738_change_exericse_1936_scores.rb
rename to db/migrate/20190823090957_rechange_exercise_1936_scores.rb
index ea3f66182..f089714ee 100644
--- a/db/migrate/20190823023738_change_exericse_1936_scores.rb
+++ b/db/migrate/20190823090957_rechange_exercise_1936_scores.rb
@@ -1,4 +1,4 @@
-class ChangeExericse1936Scores < ActiveRecord::Migration[5.2]
+class RechangeExercise1936Scores < ActiveRecord::Migration[5.2]
   include ExercisesHelper
   def change
     #1936的试卷成绩有问题。