[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
$regPath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings"

$proxyEnable = Get-ItemProperty -Path $regPath -Name ProxyEnable -ErrorAction SilentlyContinue
$proxyServer = Get-ItemProperty -Path $regPath -Name ProxyServer -ErrorAction SilentlyContinue

if ($proxyEnable -and ($proxyEnable.ProxyEnable -eq 1) -and $proxyServer) {
    $proxy = "http://$($proxyServer.ProxyServer)"
    $env:HTTP_PROXY = $proxy
    $env:HTTPS_PROXY = $proxy
    Write-Host "系统代理已启用: $proxy"
} else {
    $env:HTTP_PROXY = $null
    $env:HTTPS_PROXY = $null
    Write-Host "系统代理未启用"
}