Introduction - If you have any usage issues, please Google them yourself
If you do not modify the language package, template, pictures or other documents, then directly cover
If you only modify the template, you can choose not to cover the front\views\ directory (and its sub directory)
If you have also changed the other files, then please back up the modified files, and then cover
After the completion of the admin/controllers/video.php and front/controllers/video.php will be deleted, and update the background cache
This patch only need to cover the file, do not need to upgrade the , the site data will not have any impact