From 6ba830e7748020bf6b37df99cd74156a9f7b327e Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Tue, 17 Mar 2020 22:43:39 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E7=89=88=E6=9C=AC=E6=8A=A5?=
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---
 app/models/attachment.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index e91c4bc40..5e409decd 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -115,7 +115,7 @@ class Attachment < ApplicationRecord
 
   def become_history
     history = self.attachment_histories.first
-    new_attachment_history = AttachmentHistory.new(self.attributes.except("id", "resource_bank_id", "unified_setting", "course_second_category_id", "delay_publish").merge(
+    new_attachment_history = AttachmentHistory.new(self.attributes.except("id", "resource_bank_id", "unified_setting", "course_second_category_id", "delay_publish", "link").merge(
         attachment_id: self.id,
         version: history.nil? ? 1 :  history.version + 1,
     ))