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
diff --git a/app/services/ecs/import_student_service.rb b/app/services/ecs/import_student_service.rb
index 8c16bd6e5..f5cd7c6ac 100644
--- a/app/services/ecs/import_student_service.rb
+++ b/app/services/ecs/import_student_service.rb
@@ -14,7 +14,7 @@ class Ecs::ImportStudentService < ApplicationService
     excel = Ecs::ImportStudentExcel.new(params[:file].path)
 
     success_count = 0
-    EcYearStudent.bulk_insert(:student_id, :name, :created_at, :updated_at) do |worker|
+    EcYearStudent.bulk_insert(:ec_year_id, :student_id, :name, :created_at, :updated_at) do |worker|
       excel.read_each do |student_id, name|
         success_count += 1
 
@@ -24,7 +24,7 @@ class Ecs::ImportStudentService < ApplicationService
           next
         end
 
-        worker.add(student_id: student_id, name: name)
+        worker.add(ec_year_id: ec_year.id, student_id: student_id, name: name)
       end
     end