diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index 102469043..c4f32c438 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -1627,8 +1627,9 @@ class ExercisesController < ApplicationController
             ex_and_user = user_groups_id & ex_group_settings   #用户已设置的分班
             unpublish_group =  unpublish_group + ex_and_user - ex_ended_groups   #已发布的全部班级减去截止的全部班级
           else
+            ex_ended_groups = ex_all_group_settings.exercise_group_ended.pluck(:course_group_id).uniq
             ex_and_user = user_groups_id & ex_group_settings   #用户已设置的分班
-            unpublish_group = unpublish_group + ex_and_user
+            unpublish_group = unpublish_group + ex_and_user - ex_ended_groups
           end
         end
       end