@echo off
title Windows 11 日志和临时文件清理工具
color 0A
mode con: cols=80 lines=25

:: 检查管理员权限
NET FILE >nul 2>&1
if "%errorlevel%" == "0" (
    goto :gotAdmin
) else (
    echo 请求管理员权限...
    goto :UACPrompt
)

:UACPrompt
    echo Set UAC = CreateObject^("Shell.Application"^) > "%temp%\getadmin.vbs"
    echo UAC.ShellExecute "%~s0", "", "", "runas", 1 >> "%temp%\getadmin.vbs"
    "%temp%\getadmin.vbs"
    exit /B

:gotAdmin
    if exist "%temp%\getadmin.vbs" ( del "%temp%\getadmin.vbs" )

echo.
echo ============================================
echo    Windows 11 日志和临时文件清理工具
echo ============================================
echo.
echo 正在清理，请稍候...
echo.

:: 1. 清理 Windows 事件日志
echo [1/6] 清理系统日志...
wevtutil clear-log "Application" >nul 2>&1
wevtutil clear-log "System" >nul 2>&1
wevtutil clear-log "Security" >nul 2>&1
wevtutil clear-log "Setup" >nul 2>&1
wevtutil clear-log "ForwardedEvents" >nul 2>&1

:: 2. 清理临时文件
echo [2/6] 清理临时文件...
del /f /s /q "%temp%\*" >nul 2>&1
del /f /s /q "C:\Windows\Temp\*" >nul 2>&1
del /f /s /q "%USERPROFILE%\AppData\Local\Temp\*" >nul 2>&1

:: 3. 清理系统缓存
echo [3/6] 清理系统缓存...
ipconfig /flushdns >nul 2>&1
Dism /Online /Cleanup-Image /StartComponentCleanup >nul 2>&1
Dism /Online /Cleanup-Image /SPSuperseded >nul 2>&1

:: 4. 清理缩略图缓存和预读取文件
echo [4/6] 清理缩略图缓存...
del /f /s /q "%USERPROFILE%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_*.db" >nul 2>&1
del /f /s /q "C:\Windows\Prefetch\*" >nul 2>&1

:: 5. 清理回收站
echo [5/6] 清空回收站...
rd /s /q "%SystemDrive%\$Recycle.bin" >nul 2>&1 2>nul

:: 6. 清理 Windows 更新缓存
echo [6/6] 清理 Windows 更新缓存...
net stop wuauserv >nul 2>&1
rd /s /q "C:\Windows\SoftwareDistribution\Download" >nul 2>&1
net start wuauserv >nul 2>&1

echo.
echo ============================================
echo     清理完成！已释放磁盘空间。
echo ============================================
echo.
timeout /t 3 /nobreak >nul