diff --git a/app/controllers/graduation_tasks_controller.rb b/app/controllers/graduation_tasks_controller.rb
index 910299fd0..cadac75be 100644
--- a/app/controllers/graduation_tasks_controller.rb
+++ b/app/controllers/graduation_tasks_controller.rb
@@ -112,7 +112,7 @@ class GraduationTasksController < ApplicationController
       # 排序
       rorder = params[:order].blank? ? "updated_at" : params[:order]
       b_order = params[:b_order].blank? ? "desc" : params[:b_order]
-      if rorder == "created_at" || rorder == "work_score"
+      if rorder == "updated_at" || rorder == "work_score"
         @work_list = @work_list.order("graduation_works.#{rorder} #{b_order}")
       elsif rorder == "student_id"
         @work_list = @work_list.joins(user: :user_extension).order("user_extensions.#{rorder} #{b_order}")