使用applescript更改屏幕刷新率

tell application "System Preferences"
    activate
    reveal anchor "displaysDisplayTab" of pane id "com.apple.preference.displays"
end tell

tell application "System Events"
    tell process "System Preferences"
        click button "Display" of tab group 1 of window "显示器"
        delay 1
        click pop up button 1 of tab group 1 of window "显示器"
        delay 1
        click menu item "60 Hertz" of menu 1 of pop up button 1 of tab group 1 of window "显示器"
        delay 1
        click button "OK" of window "显示器"
    end tell
end tell

tell application "System Preferences" to quit