附件为视频时，点击播放

app/controllers/attachments_controller.rb

@@ -127,7 +127,7 @@ class AttachmentsController < ApplicationController
 
   # 附件为视频时，点击播放
   def preview_attachment
-    attachment = Attachment.find_by(id: params[:id])
+    attachment = Attachment.where_id_or_uuid(params[:id]).first
     dir_path = "#{Rails.root}/public/preview"
     Dir.mkdir(dir_path) unless Dir.exist?(dir_path)
     if params[:status] == "preview"