diff --git a/app/controllers/managements_controller.rb b/app/controllers/managements_controller.rb
index 96dea860..b766ad07 100644
--- a/app/controllers/managements_controller.rb
+++ b/app/controllers/managements_controller.rb
@@ -1746,7 +1746,7 @@ end
 
   # 删除
   def delete_applied_departments
-    transaction do
+    ActiveRecord::Base.transaction do
       applied_department = ApplyAddDepartment.find params[:depart_id]
       applied_message = AppliedMessage.where(:applied_id => applied_department.id, :applied_type => "ApplyAddDepartment")
       applied_message.update_all(:status => 3)
diff --git a/app/helpers/ec_major_schools_helper.rb b/app/helpers/ec_major_schools_helper.rb
index 512e1cef..d4e34219 100644
--- a/app/helpers/ec_major_schools_helper.rb
+++ b/app/helpers/ec_major_schools_helper.rb
@@ -9,9 +9,9 @@ module EcMajorSchoolsHelper
 
     subitem_ids = ec_year.ec_graduation_subitems.reorder(nil).pluck(:id)
 
-    relations = EcGraduationRequirementCalculation.joins(ec_course_support: :ec_graduation_subitem_courses).where('ec_graduation_subitem_id in (?)', subitem_ids)
+    relations = EcGraduationRequirementCalculation.joins(ec_course_support: :ec_graduation_subitem_courses).where('ec_graduation_subitem_courses.ec_graduation_subitem_id in (?)', subitem_ids)
 
-    reached_map = relations.where(status: true).group('ec_graduation_subitem_id').count
+    reached_map = relations.where(status: true).group('ec_graduation_subitem_courses.ec_graduation_subitem_id').count
 
     reached_map.keys.size
   end