Editor Usage

Complete guide to shortcuts, focus mode, and Markdown syntax support

Keyboard Shortcuts

Shortcut	Action
`Ctrl / ⌘ + B`	Bold
`Ctrl / ⌘ + I`	Italic
`Ctrl / ⌘ + E`	Inline Code
`Ctrl / ⌘ + K`	Insert Link
`Ctrl / ⌘ + Z`	Undo
`Ctrl / ⌘ + Shift + Z`	Redo
`Ctrl / ⌘ + Shift + F`	Enter Focus Mode
`Escape`	Exit Focus Mode

Focus Mode

Focus mode hides the top toolbar, sidebar, and all UI elements, placing you in a full-screen immersive writing state so you can concentrate entirely on your content.

Press Ctrl / ⌘ + Shift + F to enter focus mode
Press Escape to exit focus mode
Move the mouse to the top edge of the screen to temporarily reveal the toolbar

Editor Layout

Left side is the Markdown editor (CodeMirror 6); right side shows the live rendered preview
Drag the center divider to adjust the split ratio; double-click to reset to the default 50/50
Top toolbar contains: document management, theme switcher, import, export, publish, and Pro activation
The toolbar can be collapsed via the hide button on the right side of the top bar to give more space to the editor

Markdown Syntax Support

The editor is built on the unified (remark + rehype) pipeline and supports GFM (GitHub Flavored Markdown) plus a range of extensions.

Headings H1–H6

              # H1  ## H2  ### H3

Bold / Italic

              **粗体**  *斜体*

Fenced Code / Inline Code

              ```lang
code
```  `inline`

Tables (GFM)

              | A | B |
|---|---|
| 1 | 2 |

Task Lists

              - [x] Done
- [ ] Todo

Footnotes

              Text[^1]
[^1]: Note

Math (KaTeX)

              $E=mc^2$  $$\sum$$

Mermaid

              ```mermaid
graph TD
```

Strikethrough

              ~~删除~~

Autolinks

              https://example.com