您无法在网络上编辑文件！为此，您首先必须将文件下载到本地计算机，编辑并上传更改...显然并非所有网站都支持此类...

You can not edit a file 'on the web'! For that you first have to download the file to your local computer, edit it and upload it with the changes...Obviously not all sites support such thing...