豆瓣电台桌面提醒助手 is a free Chrome add-on developed by Ray Fang. It allows users to enable desktop notifications for the Douban FM web version. With this add-on, users can receive notifications on their desktop whenever there is a new update or event on Douban FM.

To use the add-on, users need to follow these steps:

2. Click on the "Open Notifications" button located in the top right corner of the page.

3. Select "Allow" in the banner that pops up.

However, there are a couple of known issues with the add-on. It may conflict with other Douban FM web extensions or userscripts. Additionally, users must be logged in to their Douban account in order to enable notifications.

Overall,豆瓣电台桌面提醒助手 is a useful add-on for Douban FM users who want to stay updated with notifications directly on their desktop.