diff --git a/lib/tasks/excellent_course_exercise.rake b/lib/tasks/excellent_course_exercise.rake
index c3700957c..a8f860c2d 100644
--- a/lib/tasks/excellent_course_exercise.rake
+++ b/lib/tasks/excellent_course_exercise.rake
@@ -14,19 +14,19 @@ namespace :excellent_course_exercise do
     course = Course.find_by(id: course_id)
 
     course.exercises.each_with_index do |exercise, index|
-      # if exercise.exercise_users.where(commit_status: 1).count == 0
+      if exercise.exercise_users.where(commit_status: 1).count == 0
         # 第一个试卷的参与人数和通过人数都是传的数据，后续的随机
         if index == 0
           members = course.students.order("id asc").limit(participant_count)
           update_exercise_user(exercise, members, pass_count)
         else
-          new_participant_count = rand((participant_count - 423)..participant_count)
-          new_pass_count = rand((new_participant_count - 113)..new_participant_count)
+          new_participant_count = rand((participant_count - 20)..participant_count)
+          new_pass_count = rand((new_participant_count - 30)..new_participant_count)
 
           members = course.students.order("id asc").limit(new_participant_count)
           update_exercise_user(exercise, members, new_pass_count)
         end
-      # end
+      end
     end
   end