diff --git a/app/helpers/exercises_helper.rb b/app/helpers/exercises_helper.rb
index 3595b5866..a2a80c311 100644
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@@ -636,7 +636,7 @@ module ExercisesHelper
       exercise_answers = q.exercise_answers.search_exercise_answer("user_id",ex_answerer_id)  #试卷用户的回答
     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.pluck(:score).sum
+      user_score_pre = exercise_answers.score_reviewed
       user_score = user_score_pre.present? ? user_score_pre.pluck(:score).sum : nil
     end