分班发布开始时间不一致，截止时间一致，点击截止变成统一发布

app/controllers/exercises_controller.rb

@@ -850,10 +850,11 @@ class ExercisesController < ApplicationController
             g_course = params[:group_ids]
             if g_course.present?
               teacher_course_group_ids = @course.charge_group_ids(current_user)
-              if g_course.map(&:to_i).sort == teacher_course_group_ids.sort  #开始为统一设置
+              all_course_group_ids = @course.course_groups.pluck(:id)
+              if exercise.unified_setting && g_course.map(&:to_i).sort == all_course_group_ids.sort  #开始为统一设置
                 exercise.exercise_group_settings.destroy_all
                 new_ex_status = set_exercise_status(exercise.publish_time,Time.now)
-                exercise.update_attributes(:end_time => Time.now,:unified_setting => true,:exercise_status => new_ex_status)
+                exercise.update_attributes(:end_time => Time.now,:exercise_status => new_ex_status)
                 exercise_users = exercise.exercise_users
               else
                 course_members_ids = course_students.course_find_by_ids("course_group_id",g_course).pluck(:user_id).uniq #该班级的全部学生