diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index f242f3438..545fbce85 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -12,7 +12,7 @@ class HomeworkCommonsController < ApplicationController
                                        :code_review_detail, :show_comment, :settings, :works_list, :update_settings,
                                        :reference_answer, :publish_groups, :end_groups, :alter_name, :update_explanation]
   before_action :user_course_identity
-  before_action :homework_publish, only: [:show, :works_list, :code_review_results, :show_comment, :settings, :reference_answer]
+  before_action :homework_publish, only: [:show, :works_list, :code_review_results, :show_comment, :settings, :reference_answer, :update_student_score]
   before_action :teacher_allowed, only: [:new, :edit, :create, :update, :shixuns, :subjects, :create_shixun_homework,
                                          :publish_homework, :end_homework, :set_public, :choose_category, :move_to_category,
                                          :choose_category, :create_subject_homework, :multi_destroy, :group_list, :homework_code_repeat,
@@ -237,6 +237,7 @@ class HomeworkCommonsController < ApplicationController
   end
 
   def update_score
+    tip_exception("作业还未发布，暂不能计算成绩") if @homework.publish_time.nil? || @homework.publish_time > Time.now
     begin
       if @homework.unified_setting
         student_works = @homework.student_works