diff --git a/app/controllers/competition_infos_controller.rb b/app/controllers/competition_infos_controller.rb
index a44bc7046..ecbe3f8fb 100644
--- a/app/controllers/competition_infos_controller.rb
+++ b/app/controllers/competition_infos_controller.rb
@@ -102,8 +102,9 @@ class CompetitionInfosController < ApplicationController
   def upload
     competition_user = CompetitionUser.find_by(competition_info: @competition_info.id, user_id: current_user.id)
     tip_exception "未报名，请先报名" if competition_user.blank?
-    tip_exception "未提交作品" if params[:attachment_ids].blank?
-    tip_exception "您已经提交作品!" if competition_user.present? && competition_user.attachments.present?
+    tip_exception "附件参数attachment_ids不能为空" if params[:attachment_ids].blank?
+    # tip_exception "您已经提交作品!" if competition_user.present? && competition_user.attachments.present?
+    competition_user.attachments.update_all(container_id: nil, container_type: nil)
     params[:attachment_ids].each do |id|
       attachment = Attachment.find_by_id(id)
       unless attachment.blank?