调整

app/models/graduation_work.rb

@@ -125,11 +125,19 @@ class GraduationWork < ApplicationRecord
     graduation_work_scores.where.not(core: nil).exists?
   end
 
+  def work_cross_teacher_ids
+    graduation_work_comment_assignations.temporary_formal.pluck(:user_id)
+  end
+
   def work_cross_teachers
-    User.where(id: graduation_work_comment_assignations.temporary_formal.pluck(:user_id)).map(&:real_name).join("、")
+    User.where(id: work_cross_teacher_ids).map(&:real_name).join("、")
+  end
+
+  def work_cross_group_ids
+    graduation_task_group_assignations.temporary_formal.pluck(:graduation_group_id)
   end
 
   def work_cross_groups
-    course.graduation_groups.where(id: graduation_task_group_assignations.temporary_formal.pluck(:graduation_group_id)).pluck(:name).join("、")
+    course.graduation_groups.where(id: work_cross_group_ids).pluck(:name).join("、")
   end
 end

app/views/graduation_tasks/cross_comment_setting.json.jbuilder

@@ -5,8 +5,10 @@ json.work_users @work_list do |work|
   json.course_group_name @students.select{|member| member.user_id == work.user_id}.first.try(:course_group_name)
   if @comment_status.to_i == 2
     json.cross_teachers work.work_cross_teachers
+    json.cross_teacher_ids work.work_cross_teacher_ids
   elsif @comment_status.to_i == 4
     json.cross_groups work.work_cross_groups
+    json.cross_group_ids work.work_cross_group_ids
   end
 end