1.设置Launchpad 图标的列数
defaults write com.apple.dock springboard-columns -int 10
2.设置 Launchpad图标的行数
defaults write com.apple.dock springboard-rows -int 4
3.重置 Launchpad
defaults write com.apple.dock ResetLaunchPad -bool TRUE;
4.重启 Dock
killall Dock