diff --git a/app/models/graduation_work.rb b/app/models/graduation_work.rb
index c0db92483..c7420ffef 100644
--- a/app/models/graduation_work.rb
+++ b/app/models/graduation_work.rb
@@ -48,7 +48,7 @@ class GraduationWork < ApplicationRecord
 
   def delete_atta atta
     last_score = graduation_work_scores.where.not(score: nil).last
-    (atta.author_id == self.user_id) && (last_score.blank? || last_score.try(:created_at) < atta.created_on)
+    (atta.author_id == User.current.id) && (last_score.blank? || last_score.try(:created_at) < atta.created_on)
   end
 
   # 分班名
diff --git a/app/models/student_work.rb b/app/models/student_work.rb
index bbe0c0bed..b4ad834de 100644
--- a/app/models/student_work.rb
+++ b/app/models/student_work.rb
@@ -106,7 +106,7 @@ class StudentWork < ApplicationRecord
 
   def delete_atta atta
     last_score = student_works_scores.where.not(score: nil).last
-    ((atta.author_id == self.user_id) && (last_score.blank? || last_score.try(:created_at) < atta.created_on))
+    (atta.author_id == User.current.id) && (last_score.blank? || last_score.try(:created_at) < atta.created_on)
   end
 
   # 作品总体评价