diff --git a/app/views/homework_commons/group_list.json.jbuilder b/app/views/homework_commons/group_list.json.jbuilder
index b5fead17e..d7e2427fd 100644
--- a/app/views/homework_commons/group_list.json.jbuilder
+++ b/app/views/homework_commons/group_list.json.jbuilder
@@ -7,7 +7,7 @@ json.group_list do
   end
 end
 # 未分班展示情况放在最后
-if @course_groups.count != (@page -1)*@limit.to_i && @course_groups.count < @limit.to_i
+if @course_groups.count != (@page - 1)*@limit.to_i && @course_groups.count < @limit.to_i
   ungroup_work_count = homework_ungroup_works_count(@homework, @ungroup_user_ids)
   if ungroup_work_count > 0
     json.ungroup_list do