diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index 66dd7c864..229db7278 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -106,9 +106,15 @@ class HomeworkCommonsController < ApplicationController
 
     student_works = @homework.all_works
     @all_member_count = student_works.size
-    if @homework.publish_time.blank? || (@homework.publish_time > Time.now)
+    logger.info("@@@@@@@_____________@homework.publish_time______________##{@homework.publish_time}")
+    logger.info("@@@@@@@_____________@homework.publish_time > Time.now______________##{@homework.publish_time > Time.now}")
+
+    if @homework.publish_time.nil? || (@homework.publish_time > Time.now)
+      logger.info("@@@@@@@_____________1111111111_____________#11111111111")
       @student_works = []
       if (params[:format] == "xlsx") || (params[:format] == "zip")
+        logger.info("@@@@@@@_____________22222222_____________#2222222221")
+
         normal_status(-1,"作业未发布")
       end
     else