我是一个中文的火狐浏览器的用户，这个在Win系统下貌似可以正常给保存的网页添加.pdf后缀，但是Mac系统下的火狐浏览器貌似没办法自动添加保存网页的.pdf后缀，这样会略微有点麻烦的

下面是我使用百度翻译的我的中文内容，不确之处望谅解

The following is my Chinese content translated using Baidu. I apologize for any inaccuracies

I am a user of the Chinese Firefox browser, which seems to be able to add the. pdf suffix to saved web pages normally under the Win system. However, the Firefox browser on the Mac system seems to be unable to automatically add the. pdf suffix to saved web pages, which may be a bit troublesome