diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 470315bdc..c8707d72e 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -26,14 +26,14 @@ class CoursesController < ApplicationController
                                      :base_info, :get_historical_courses, :create_group_by_importing_file,
                                      :attahcment_category_list,:export_member_scores_excel, :duplicate_course,
                                      :switch_to_teacher, :switch_to_assistant, :switch_to_student, :exit_course,
-                                     :informs, :update_informs, :online_learning, :update_task_position, :tasks_list, :join_excellent_course]
+                                     :informs, :update_informs, :new_informs, :online_learning, :update_task_position, :tasks_list, :join_excellent_course]
   before_action :user_course_identity, except: [:join_excellent_course, :index, :create, :new, :apply_to_join_course,
                                                 :search_course_list, :get_historical_course_students, :mine, :search_slim, :board_list]
   before_action :teacher_allowed, only: [:update, :destroy, :settings, :search_teacher_candidate,
                                          :transfer_to_course_group, :delete_from_course,
                                          :search_users, :add_students_by_search, :get_historical_courses, :add_teacher_popup, :add_teacher]
   before_action :admin_allowed, only: [:set_invite_code_halt, :set_public_or_private, :change_course_admin,
-                                       :set_course_group, :create_group_by_importing_file, :update_informs,
+                                       :set_course_group, :create_group_by_importing_file, :update_informs, :new_informs,
                                        :update_task_position, :tasks_list]
   before_action :teacher_or_admin_allowed, only: [:graduation_group_list, :create_graduation_group, :join_graduation_group,
                                                   :change_course_teacher, :export_member_scores_excel, :course_group_list,
@@ -42,6 +42,7 @@ class CoursesController < ApplicationController
   before_action :find_board, only: :board_list
   before_action :validate_page_size, only: :mine
   before_action :course_tasks, only: [:tasks_list, :update_task_position]
+  before_action :validate_inform_params, only: [:update_informs, :new_informs]
 
   if RUBY_PLATFORM =~ /linux/
     require 'simple_xlsx_reader'
@@ -159,7 +160,7 @@ class CoursesController < ApplicationController
               CourseMember.create!(course_id: @course.id, user_id: s_member.user_id, role: 2)
             end
 
-            Inform.create(container: @course, description: @subject.learning_notes)
+            Inform.create(container: @course, description: @subject.learning_notes, name: "学习须知")
           end
 
           course_module_types = params[:course_module_types]
@@ -234,14 +235,20 @@ class CoursesController < ApplicationController
   end
 
   def informs
-
+    @informs = @course.informs
   end
 
-  def update_informs
-    tip_exception("公告内容不能为空") if params[:description].blank?
-    inform = @course.inform || Inform.new(container: @course)
+  def new_informs
+    inform = Inform.new(container: @course)
+    inform.name = params[:name]
     inform.description = params[:description]
     inform.save!
+    normal_status("创建成功")
+  end
+
+  def update_informs
+    inform = @course.informs.find_by(id: params[:inform_id])
+    inform.update_attributes!(name: params[:name], description: params[:description])
     normal_status("更新成功")
   end
 
@@ -1259,6 +1266,11 @@ class CoursesController < ApplicationController
     end
   end
 
+  def validate_inform_params
+    tip_exception("公告标题不能为空") if params[:name].blank?
+    tip_exception("公告内容不能为空") if params[:description].blank?
+  end
+
   # def find_container
   #   case params[:container_type]
   #   when 'shixun_homework', 'common_homework', 'group_homework'
diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index c9162448b..5db704fce 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -688,7 +688,8 @@ class ExercisesController < ApplicationController
   def publish
     tip_exception("缺少截止时间参数") if params[:end_time].blank?
     tip_exception("截止时间不能早于当前时间") if params[:end_time] <= strf_time(Time.now)
-    tip_exception("截止时间不能晚于课堂结束时间") if @course.end_date.present? && params[:end_time] > strf_time(@course.end_date.end_of_day)
+    tip_exception("截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
+      @course.end_date.present? && params[:end_time] > strf_time(@course.end_date.end_of_day)
     ActiveRecord::Base.transaction do
       begin
         check_ids = Exercise.where(id: params[:check_ids])
diff --git a/app/controllers/graduation_tasks_controller.rb b/app/controllers/graduation_tasks_controller.rb
index 0885eeae2..4cae4e08b 100644
--- a/app/controllers/graduation_tasks_controller.rb
+++ b/app/controllers/graduation_tasks_controller.rb
@@ -410,7 +410,7 @@ class GraduationTasksController < ApplicationController
           elsif @task.status < 2
             tip_exception("截止时间不能为空") if params[:end_time].blank?
             tip_exception("截止时间不能早于当前时间") if params[:end_time] <= Time.now.strftime("%Y-%m-%d %H:%M:%S")
-            tip_exception("截止时间不能早于课堂结束时间") if @course.end_date.present? && params[:end_time] > @course.end_date.end_of_day
+            tip_exception("截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if @course.end_date.present? && params[:end_time] > @course.end_date.end_of_day
             @task.end_time = params[:end_time]
           end
 
@@ -421,7 +421,7 @@ class GraduationTasksController < ApplicationController
           if params[:allow_late].to_i == 1
             tip_exception("补交结束时间不能为空") if params[:late_time].blank?
             tip_exception("补交结束时间不能早于截止时间") if params[:late_time] <= @task.end_time
-            tip_exception("补交结束时间不能晚于课堂结束时间") if @course.end_date.present? && params[:late_time] >
+            tip_exception("补交结束时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if @course.end_date.present? && params[:late_time] >
                                                                       @course.end_date.end_of_day
             tip_exception("迟交扣分应为正整数") if params[:late_penalty] && params[:late_penalty].to_i < 0
 
diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index b95d0d2b4..081e2fdf1 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -447,7 +447,8 @@ class HomeworkCommonsController < ApplicationController
             tip_exception("发布时间不能早于当前时间") if params[:publish_time] <= Time.now.strftime("%Y-%m-%d %H:%M:%S")
             tip_exception("截止时间不能早于当前时间") if params[:end_time] <= Time.now.strftime("%Y-%m-%d %H:%M:%S")
             tip_exception("截止时间不能早于发布时间") if params[:publish_time] > params[:end_time]
-            tip_exception("截止时间不能晚于课堂结束时间") if @course.end_date.present? && params[:end_time] > @course.end_date.end_of_day
+            tip_exception("截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
+              @course.end_date.present? && params[:end_time] > @course.end_date.end_of_day
 
             @homework.unified_setting = 1
             @homework.homework_group_settings.destroy_all
@@ -469,7 +470,8 @@ class HomeworkCommonsController < ApplicationController
               tip_exception("发布时间不能早于当前时间") if setting[:publish_time] <= strf_time(Time.now)
               tip_exception("截止时间不能早于当前时间") if setting[:end_time] <= strf_time(Time.now)
               tip_exception("截止时间不能早于发布时间") if setting[:publish_time] > setting[:end_time]
-              tip_exception("截止时间不能晚于课堂结束时间") if @course.end_date.present? && setting[:end_time] > @course.end_date.end_of_day
+              tip_exception("截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
+                @course.end_date.present? && setting[:end_time] > @course.end_date.end_of_day
 
 
               publish_time = setting[:publish_time] == "" ? Time.now : setting[:publish_time]
@@ -503,7 +505,8 @@ class HomeworkCommonsController < ApplicationController
           if @homework.end_time > Time.now && @homework.unified_setting
             tip_exception("截止时间不能为空") if params[:end_time].blank?
             tip_exception("截止时间不能早于当前时间") if params[:end_time] <= strf_time(Time.now)
-            tip_exception("截止时间不能晚于课堂结束时间") if @course.end_date.present? && params[:end_time] > strf_time(@course.end_date.end_of_day)
+            tip_exception("截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
+              @course.end_date.present? && params[:end_time] > strf_time(@course.end_date.end_of_day)
 
             @homework.end_time = params[:end_time]
 
@@ -521,7 +524,8 @@ class HomeworkCommonsController < ApplicationController
 
               tip_exception("截止时间不能早于等于当前时间") if setting[:end_time] <= strf_time(Time.now)
               tip_exception("截止时间不能早于发布时间") if setting[:publish_time] > setting[:end_time]
-              tip_exception("截止时间不能晚于课堂结束时间") if @course.end_date.present? && setting[:end_time] > strf_time(@course.end_date.end_of_day)
+              tip_exception("截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
+                @course.end_date.present? && setting[:end_time] > strf_time(@course.end_date.end_of_day)
 
               group_settings.none_published.update_all(publish_time: setting[:publish_time])
               group_settings.none_end.update_all(end_time: setting[:end_time])
@@ -539,7 +543,7 @@ class HomeworkCommonsController < ApplicationController
         current_late_penalty = @homework.late_penalty
         if params[:allow_late]
           tip_exception("补交结束时间必须晚于截止时间") if params[:late_time] <= strf_time(@homework.end_time)
-          tip_exception("补交结束时间不能晚于课堂结束时间") if @course.end_date.present? && params[:late_time] >
+          tip_exception("补交结束时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if @course.end_date.present? && params[:late_time] >
               strf_time(@course.end_date.end_of_day)
           tip_exception("迟交扣分不能小于0") if params[:late_penalty] && params[:late_penalty].to_i < 0
 
@@ -647,7 +651,7 @@ class HomeworkCommonsController < ApplicationController
               tip_exception("匿评开启时间不能早于截止时间") if params[:evaluation_start] < strf_time(@homework.end_time)
               tip_exception("匿评结束时间不能为空") if params[:evaluation_end].blank?
               tip_exception("匿评截止时间必须晚于匿评开启时间") if params[:evaluation_end] <= params[:evaluation_start]
-              tip_exception("匿评截止时间不能晚于课堂结束时间") if @course.end_date.present? && params[:evaluation_end] >
+              tip_exception("匿评截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if @course.end_date.present? && params[:evaluation_end] >
                   strf_time(@course.end_date.end_of_day)
               tip_exception("匿评数必须为正整数") if params[:evaluation_num].blank? || params[:evaluation_num].to_i < 1
               tip_exception("缺评扣分不能为空") if params[:absence_penalty].blank?
@@ -675,7 +679,7 @@ class HomeworkCommonsController < ApplicationController
             tip_exception("匿评结束时间不能为空") if @homework.anonymous_comment && params[:evaluation_end].blank?
             tip_exception("匿评截止时间必须晚于匿评开启时间") if @homework.anonymous_comment &&
                 params[:evaluation_end] <= strf_time(@homework_detail_manual.evaluation_start)
-            tip_exception("匿评截止时间不能晚于课堂结束时间") if @homework.anonymous_comment &&
+            tip_exception("匿评截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if @homework.anonymous_comment &&
                 @course.end_date.present? && params[:evaluation_end] > strf_time(@course.end_date.end_of_day)
 
             @homework_detail_manual.evaluation_end = !@homework.anonymous_comment ? nil : params[:evaluation_end]
@@ -701,7 +705,7 @@ class HomeworkCommonsController < ApplicationController
             tip_exception("匿评申诉结束时间不能为空") if @homework.anonymous_appeal && params[:appeal_time].blank?
             tip_exception("匿评开启时间不能早于匿评截止时间") if @homework.anonymous_appeal &&
                 params[:appeal_time] <= strf_time(@homework_detail_manual.evaluation_end)
-            tip_exception("匿评申诉结束不能晚于课堂结束时间") if @homework.anonymous_appeal &&
+            tip_exception("匿评申诉结束不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if @homework.anonymous_appeal &&
                 @course.end_date.present? && params[:appeal_time] > strf_time(@course.end_date.end_of_day)
 
             @homework_detail_manual.appeal_time = @homework.anonymous_appeal ? params[:appeal_time] : nil
@@ -1054,7 +1058,8 @@ class HomeworkCommonsController < ApplicationController
     tip_exception("请至少选择一个分班") if params[:group_ids].blank? && @course.course_groups.size != 0
     tip_exception("缺少截止时间参数") if params[:end_time].blank?
     tip_exception("截止时间不能早于当前时间") if params[:end_time] <= strf_time(Time.now)
-    tip_exception("截止时间不能晚于课堂结束时间") if @course.end_date.present? && params[:end_time] > strf_time(@course.end_date.end_of_day)
+    tip_exception("截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
+      @course.end_date.present? && params[:end_time] > strf_time(@course.end_date.end_of_day)
 
     homeworks = @course.homework_commons.where(id: params[:homework_ids])
     homeworks = homeworks.includes(:homework_group_settings, :homework_detail_manual)
diff --git a/app/controllers/polls_controller.rb b/app/controllers/polls_controller.rb
index ba3030424..0f301dd4f 100644
--- a/app/controllers/polls_controller.rb
+++ b/app/controllers/polls_controller.rb
@@ -246,7 +246,8 @@ class PollsController < ApplicationController
   def publish
     tip_exception("缺少截止时间参数") if params[:end_time].blank?
     tip_exception("截止时间不能早于当前时间") if params[:end_time] <= strf_time(Time.now)
-    tip_exception("截止时间不能晚于课堂结束时间") if @course.end_date.present? && params[:end_time] > strf_time(@course.end_date.end_of_day)
+    tip_exception("截止时间不能晚于课堂结束时间（#{@course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
+      @course.end_date.present? && params[:end_time] > strf_time(@course.end_date.end_of_day)
     ActiveRecord::Base.transaction do
       begin
         check_ids = Poll.where(id: params[:check_ids])
diff --git a/app/helpers/exercises_helper.rb b/app/helpers/exercises_helper.rb
index f59bee5ac..0cc6a9ec5 100644
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@@ -32,7 +32,7 @@ module ExercisesHelper
           ques_score = 0.0
         end
       else
-        ques_score = answers_content.select(:score).pluck(:score).sum
+        ques_score = answers_content.score_reviewed.select(:score).pluck(:score).sum
       end
 
       if ques_score >= q.question_score  #满分作答为正确
diff --git a/app/models/course.rb b/app/models/course.rb
index e2fc5140b..5a2a065ba 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -9,7 +9,7 @@ class Course < ApplicationRecord
 
   # 所属实践课程
   belongs_to :subject, optional: true
-  has_one :inform, as: :container, dependent: :destroy
+  has_many :informs, as: :container, dependent: :destroy
 
   has_many :course_infos, dependent: :destroy
   # 课堂左侧导航栏的模块
diff --git a/app/models/inform.rb b/app/models/inform.rb
index faf1d48e6..5caf80c5f 100644
--- a/app/models/inform.rb
+++ b/app/models/inform.rb
@@ -1,3 +1,6 @@
 class Inform < ApplicationRecord
   belongs_to :container, polymorphic: true, optional: true
+
+  validates :name, length: { maximum: 60 }
+  validates :description, length: { maximum: 5000 }
 end
diff --git a/app/models/subject.rb b/app/models/subject.rb
index 3c94ad870..96d060353 100644
--- a/app/models/subject.rb
+++ b/app/models/subject.rb
@@ -22,8 +22,8 @@ class Subject < ApplicationRecord
   has_many :courses, -> { where("is_delete = 0").order("courses.created_at ASC") }
 
   validates :name, length: { maximum: 60 }
-  validates :description, length: { maximum: 5000 }
-  validates :learning_notes, length: { maximum: 500 }
+  validates :description, length: { maximum: 8000 }
+  validates :learning_notes, length: { maximum: 2000 }
 
   scope :visible, lambda{where(status: 2)}
   scope :published, lambda{where(status: 1)}
diff --git a/app/views/courses/informs.json.jbuilder b/app/views/courses/informs.json.jbuilder
index d584be917..7fc396184 100644
--- a/app/views/courses/informs.json.jbuilder
+++ b/app/views/courses/informs.json.jbuilder
@@ -1 +1,5 @@
-json.description @course.inform&.description
\ No newline at end of file
+json.informs @informs do |inform|
+  json.id inform.id
+  json.name inform.name
+  json.description inform.description
+end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index de4f46a40..5ed8ecd69 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -349,6 +349,7 @@ Rails.application.routes.draw do
         post 'exit_course'
         get 'informs'
         post 'update_informs'
+        post 'new_informs'
         get 'online_learning'
         post 'join_excellent_course'
         get 'tasks_list'
diff --git a/public/react/src/modules/courses/common/CNotificationHOC.js b/public/react/src/modules/courses/common/CNotificationHOC.js
index 95e36957f..9a08268b1 100644
--- a/public/react/src/modules/courses/common/CNotificationHOC.js
+++ b/public/react/src/modules/courses/common/CNotificationHOC.js
@@ -106,11 +106,11 @@ export function CNotificationHOC(options = {}) {
 
 
       confirm = (object) => {
-        const { title, content, onOk, onCancel, okText } = object;
+        const { title, content,subContent, onOk, onCancel, okText } = object;
         this.onCancel = onCancel
         this.onOk = onOk
         this.okText = okText || ''
-        this.setState({ title, content, dialogOpen: true  })
+        this.setState({ title, content , subContent , dialogOpen: true  })
       }
       onDialogOkBtnClick = () => {
         this.onOk && this.onOk();
@@ -141,17 +141,17 @@ export function CNotificationHOC(options = {}) {
         this.onOk = null
       }
       render() {
-        const { snackbarOpen, snackbarText, snackbarHorizontal, snackbarVertical, dialogOpen, content ,defineOpen } = this.state;
+        const { snackbarOpen, snackbarText, snackbarHorizontal, snackbarVertical, dialogOpen, content ,subContent ,defineOpen } = this.state;
 
         
         return (
           <React.Fragment>
-            <Modals
+            <Modals 
                 modalsType={dialogOpen}
                 modalsTopval={
 									content
                 }
-                modalsBottomval={""}
+                modalsBottomval={ subContent || "" }
                 modalCancel={this.handleDialogClose}
                 modalSave={this.onDialogOkBtnClick}
                 okText={this.okText}
diff --git a/public/react/src/modules/courses/exercise/ExerciseNew.js b/public/react/src/modules/courses/exercise/ExerciseNew.js
index 9b1b095c0..9e5fff36b 100644
--- a/public/react/src/modules/courses/exercise/ExerciseNew.js
+++ b/public/react/src/modules/courses/exercise/ExerciseNew.js
@@ -48,6 +48,22 @@ class ExerciceNew extends Component{
       editMode: !this.props.match.params.Id,
     }
   }
+
+  // 已发布试卷修改答案确认修改分数
+  sureChangeScore = (question_id,answerArray) =>{
+    let url=`/exercise_questions/${question_id}/update_scores.json`
+    axios.post((url),{
+      standard_answers:answerArray
+    }).then((result)=>{
+      if(result){
+        this.props.showNotification(`${result.data.message}`);
+        this.addSuccess();
+      }
+    }).catch((error)=>{
+      console.log(error);
+    })
+  }
+
   fetchExercise = () => {
     const Id = this.props.match.params.Id    
     this.isEdit = !!Id
@@ -507,7 +523,7 @@ class ExerciceNew extends Component{
               { exercise_questions.map((item, index) => {
                 if (item.question_type == 0 || item.question_type == 1) {
                   if (item.isNew) {
-                    return <SingleEditor {...this.props} {...item} index={index} {...commonHandler} ></SingleEditor>
+                    return <SingleEditor {...this.props} {...item} index={index} {...commonHandler} sureChangeScore={this.sureChangeScore}></SingleEditor>
                   } else {
                     return <SingleDisplay {...this.props} {...item} index={index} {...commonHandler}
                         displayCount={exercise_questions.length}
@@ -515,13 +531,13 @@ class ExerciceNew extends Component{
                   }
                 } else if (item.question_type == 2) {
                   if (item.isNew) {
-                    return <JudgeEditor {...this.props} {...item} index={index} {...commonHandler} ></JudgeEditor>
+                    return <JudgeEditor {...this.props} {...item} index={index} {...commonHandler} sureChangeScore={this.sureChangeScore}></JudgeEditor>
                   } else {
                     return <JudgeDisplay {...this.props} {...item} index={index} {...commonHandler} ></JudgeDisplay>
                   }
                 } else if (item.question_type == 3) {
                   if (item.isNew) {
-                    return <NullEditor {...this.props} {...item} index={index} {...commonHandler} ></NullEditor>
+                    return <NullEditor {...this.props} {...item} index={index} {...commonHandler} sureChangeScore={this.sureChangeScore}></NullEditor>
                   } else {
                     return <NullDisplay {...this.props} {...item} index={index} {...commonHandler} ></NullDisplay>
                   }
diff --git a/public/react/src/modules/courses/exercise/new/JudgeEditor.js b/public/react/src/modules/courses/exercise/new/JudgeEditor.js
index ab93b5bc5..16ccad54a 100644
--- a/public/react/src/modules/courses/exercise/new/JudgeEditor.js
+++ b/public/react/src/modules/courses/exercise/new/JudgeEditor.js
@@ -93,10 +93,20 @@ class SingleEditor extends Component{
         question_choices,
         standard_answers: answerArray,
         insert_id: question_id_to_insert_after || undefined
-      })
-        .then((response) => {
+      }).then((response) => {
           if (response.data.status == 0) {
             this.props.addSuccess()
+          }else if(response.data.status == 3){
+            this.props.confirm({
+              content:'修改了标准答案',
+              subContent:"是否重新计算学生答题的成绩？",
+              onOk:()=>{
+                this.props.sureChangeScore(question_id,answerArray)
+              },
+              onCancel:()=>{
+                this.props.addSuccess();
+              }
+            })
           }
         })
         .catch(function (error) {
diff --git a/public/react/src/modules/courses/exercise/new/NullEditor.js b/public/react/src/modules/courses/exercise/new/NullEditor.js
index dca67032f..f3c736196 100644
--- a/public/react/src/modules/courses/exercise/new/NullEditor.js
+++ b/public/react/src/modules/courses/exercise/new/NullEditor.js
@@ -133,10 +133,20 @@ class NullEditor extends Component{
         standard_answers: answerArray,
         insert_id: question_id_to_insert_after || undefined,
         is_ordered:newis_ordered,
-      })
-        .then((response) => {
+      }).then((response) => {
           if (response.data.status == 0) {
             this.props.addSuccess()
+          }else if(response.data.status == 3){
+            this.props.confirm({
+              content:'修改了标准答案',
+              subContent:"是否重新计算学生答题的成绩？",
+              onOk:()=>{
+                this.props.sureChangeScore(question_id,answerArray)
+              },
+              onCancel:()=>{
+                this.props.addSuccess();
+              }
+            })
           }
         })
         .catch(function (error) {
diff --git a/public/react/src/modules/courses/exercise/new/SingleEditor.js b/public/react/src/modules/courses/exercise/new/SingleEditor.js
index b979b62c1..8053f4f21 100644
--- a/public/react/src/modules/courses/exercise/new/SingleEditor.js
+++ b/public/react/src/modules/courses/exercise/new/SingleEditor.js
@@ -105,8 +105,6 @@ class SingleEditor extends Component{
     if(!question_title) {
       this.refs['titleEditor'].showError()
       this.props.showNotification('题目：不能为空'); return;
-
-
     }
 
     for(let i = 0; i < question_choices.length; i++) {
@@ -115,7 +113,6 @@ class SingleEditor extends Component{
         this.props.showNotification(`请先输入 ${tagArray[i]} 选项的内容`); return;
       }
     }
-
     /**
         {
         "question_title":"同学朋友间常用的沟通工具是什么？",
@@ -134,15 +131,25 @@ class SingleEditor extends Component{
         question_choices,
         standard_answers: answerArray,
         insert_id: question_id_to_insert_after || undefined
+      }).then((response) => {
+        if (response.data.status == 0) {
+          this.props.addSuccess()
+        }else if(response.data.status == 3){
+          this.props.confirm({
+            content:'修改了标准答案',
+            subContent:"是否重新计算学生答题的成绩？",
+            onOk:()=>{
+              this.props.sureChangeScore(question_id,answerArray)
+            },
+            onCancel:()=>{
+              this.props.addSuccess();
+            }
+          })
+        }
       })
-        .then((response) => {
-          if (response.data.status == 0) {
-            this.props.addSuccess()
-          }
-        })
-        .catch(function (error) {
-          console.log(error);
-        });
+      .catch(function (error) {
+        console.log(error);
+      });
     } else {
       const url = `/exercises/${Id}/exercise_questions.json`
       
@@ -167,6 +174,9 @@ class SingleEditor extends Component{
   onCancel = () => {
     this.props.onEditorCancel()
   }
+
+  
+
   componentDidMount = () => {
     
   }