There are four columns. System settings, shortcut key settings, * * * have four columns, the main shortcut bar has its own, and the rest are all set by itself. Just check to open the shortcut bar. You can also set the number of grid columns in the shortcut bar. Each shortcut toolbar has 16 grids. You can set a grid for each column, so it is a vertical shortcut bar with 16 grids. Can be placed on the right or left side of the interface. However, it is most convenient to open four shortcut bars 3 and 4 and set them to 13. This will not affect the typing and expression in the game.