fixed 解决安全问题访问附件，id改为uuid,migrate

db/migrate/20231121084405_add_uuid_to_attachments.rb

@@ -0,0 +1,5 @@
+class AddUuidToAttachments < ActiveRecord::Migration[5.2]
+  def change
+    add_column :attachments, :uuid, :string, index: true
+  end
+end