- The mind map adds 18 node shapes, 1 annotation shape, 2 color groups, and 3 theme styles
- Fix the bug of unable to add notes
- Fix the problem where the mind map outline cannot be located
- Add shortcut key support for Ctrl+A to select all text in the document
- The right-click menu of the document has added options for pasting as plain text and shortcut support for Ctrl+Shift+V
- Fix other known bugs and optimize user experience