@echo off
title 更换桌面背景
set regadd=reg add "hkey_current_user\control panel\desktop"
%regadd%" /v tilewallpaper /d "0" /f
%regadd%" /v wallpaper /d "\\update\dd$\flashup\壁纸\wallpaper.bmp" /f
%regadd%" /v wallpaperstyle /d "3" /f
echo 正在更换桌面背景
RunDll32.exe USER32.DLL,UpdatePerUserSystemParameters
echo 更换桌面背景成功
exit
