content: set counter to 0
  set x to 0
  beep 1
  activate application "SystemUIServer"
  tell application "System Preferences"
  	activate
  	set the current pane to pane id "com.apple.preference.Displays"
  	delay 3
  	tell application "System Events"
  		tell application process "System Preferences"
  			tell window "顯示器"
  				click pop up button "加入顯示器"
  				click menu item "Willin-m5" of menu "加入顯示器" of pop up button "加入顯示器" of window "顯示器" of application process "System Preferences" of application "System Events"
  			end tell
  		end tell
  	end tell
  	quit
  end tell
  say "完成"
  