fix bug

5 years ago · da2c9c97c2
parent 0ec0e612fa
commit da2c9c97c2
1 changed files with 1 additions and 1 deletions
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@ -642,7 +642,7 @@ module ExercisesHelper
    end
    if student_status == 2   #当前为老师，或为学生且已提交
      user_score_pre = exercise_answers.score_reviewed
-      user_score = user_score_pre.present? ? user_score_pre.pluck(:score).sum : nil
+      user_score = user_score_pre.present? ? user_score_pre.pluck(:score).sum : "0.0"
    end

    if user_score.present? && (user_score > q.question_score)