v1.3.9

🚀 **NEW**

1. We've introduced a post-login guide to enhance the initial experience and product understanding for new users.

✨ **IMPROVEMENTS**

1. Implemented a 'local-first save, asynchronous background sync' mechanism for drafts to prevent content loss.

2. Enhanced the style and interaction rules of platform Toast notifications to improve user experience.

🧰 **FIXES**

1. Fixed an error issue caused by database instability.