1. Open the file
2. Move the cursor to the column to be edited and press ctrl+V to enter the visual block editing mode
3. Move the cursor down to select the line to be edited
4. Press Shift+i to enter edit mode
5. At this time, the single-line editing style is displayed, and insert editing is performed.
6. After editing, press Esc to exit the editing mode, and all columns will be modified at the same time