diff --git a/app/helpers/exercises_helper.rb b/app/helpers/exercises_helper.rb
index 395d67913..69a8d4ca1 100644
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@@ -502,7 +502,7 @@ module ExercisesHelper
                 exercise_cha_score = 0.0
                 answer_status = 0
                 # if game.status == 2 && game.final_score >= 0
-                if game.final_score > 0
+                if game.final_score > 0 && game.end_time < exercise.end_time
                   exercise_cha_score = game.real_score(exercise_cha.question_score)
                   # exercise_cha_score = exercise_cha.question_score #每一关卡的得分
                   answer_status = 1