diff --git a/app/controllers/student_works_controller.rb b/app/controllers/student_works_controller.rb
index 9e3a1930c..f4a072a4b 100644
--- a/app/controllers/student_works_controller.rb
+++ b/app/controllers/student_works_controller.rb
@@ -582,6 +582,9 @@ class StudentWorksController < ApplicationController
           score_appeal.tidings.update_all(status: 1)
 
           if params[:status].to_i == 3
+            # 申诉成功后该评分失效
+            score.update_attributes(is_invalid: 1)
+
             # 申诉成功后 扣匿评学生的违规匿评扣分
             sw = @homework.student_works.find_by(user_id: score.user_id)
             sw.update_attribute("appeal_penalty", @homework.homework_detail_manual.appeal_penalty + sw.appeal_penalty) if sw.present?