1️⃣ 一键设置:IPv4 优先,IPv6 备用(推荐)PowerShell 窗口里运行就行

# 以管理员身份运行,设置 IPv4 优先
Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\' -Name 'DisabledComponents' -Value 32 -Type DWord
Write-Host "✅ 已设置系统优先使用 IPv4,IPv6 作为备用" -ForegroundColor Green
Write-Host "ℹ️ 需要重启电脑才能完全生效" -ForegroundColor Yellow
2️⃣ 补充:恢复默认(如果以后想改回来)
# 恢复系统默认的协议优先级
Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\' -Name 'DisabledComponents' -Value 0 -Type DWord
Write-Host "✅ 已恢复系统默认设置" -ForegroundColor Green
Write-Host "ℹ️ 需要重启电脑才能完全生效" -ForegroundColor Yellow

验证是否生效
Get-NetIPInterface | Sort-Object InterfaceMetric | Where-Object {$_.AddressFamily -eq 'IPv4' -or $_.AddressFamily -eq 'IPv6'} | Format-Table InterfaceAlias, AddressFamily, InterfaceMetric
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