From ec416ba374b5319f3b1f3f0ae1c64681980d0c6f Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Mon, 6 May 2019 14:44:25 +0800
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---
 app/controllers/exercise_controller.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/controllers/exercise_controller.rb b/app/controllers/exercise_controller.rb
index 07234e17..3dae6420 100644
--- a/app/controllers/exercise_controller.rb
+++ b/app/controllers/exercise_controller.rb
@@ -728,6 +728,7 @@ class ExerciseController < ApplicationController
       ExerciseShixunAnswer.where(:exercise_question_id => @exercise.exercise_questions.pluck(:id)).destroy_all
       @exercise.update_attributes(:exercise_status => 1, :publish_time => nil, :end_time => nil, :unified_setting => 1)
       @exercise.exercise_group_settings.destroy_all
+      @exercise.exercise_user_questions.destroy_all
       @exercise.course_acts.destroy_all
       @exercise.tidings.destroy_all
       create_exercises_list @exercise