diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index 5de65210f..6cffa866d 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -202,6 +202,7 @@ class HomeworkCommonsController < ApplicationController
       end
 
       if params[:format] == "xlsx"
+        logger.info("#########______@work_count_________#######{@work_count}")
         if @user_course_identity >= Course::STUDENT
           tip_exception(403, "无权限操作")
         elsif @work_count == 0