[问题求助] 请求大佬完善并行下载器PowerShell代码

Add-Type -Path .\Downloader.dll
 
$url_WX = "https://dldir1v6.qq.com/weixin/Windows/WeChatSetup.exe" #微信
$url_QQ = "https://dldir1.qq.com/qqfile/qq/QQNT/Windows/QQ_9.9.15_240902_x64_01.exe" #QQ
$url_TIM = "https://dldir1.qq.com/qqfile/qq/TIM3.5.0/TIM3.5.0.22143.exe" #TIM
# 创建 DownloadConfiguration 实例并设置属性
$downloadConfig = [Downloader.DownloadConfiguration]@{
    ChunkCount       = 4
    ParallelDownload = $true
}
#  创建DownloadService
$downloadService = [Downloader.DownloadService]::new($downloadConfig)
# Register object event listener
Register-ObjectEvent -InputObject $downloadService -EventName DownloadProgressChanged -SourceIdentifier downloadService.DownloadProgressChanged -Action {
    #$EventArgs.ProgressPercentage|Out-Host
    $percent = [Math]::Truncate($EventArgs.ProgressPercentage * 100) -as [int]
    Write-Progress -Activity "downloading:$($EventArgs.ProgressId)" -Status ("{0:F0}% Completed:" -f $percent) -Id 2 -PercentComplete $percent -CurrentOperation $EventArgs.ProgressId
}
Register-ObjectEvent -InputObject $downloadService -EventName ChunkDownloadProgressChanged  -SourceIdentifier downloadService.ChunkDownloadProgressChanged  -Action {
    #$EventArgs.ProgressPercentage|Out-Host
    $percent = [Math]::Truncate($EventArgs.ProgressPercentage * 100) -as [int]
    Write-Progress -Activity "downloading:$($EventArgs.ProgressId)" -Status ("{0:F0}% Completed:" -f $percent) -ParentId 2 -PercentComplete $percent -CurrentOperation $EventArgs.ProgressId
}
# 下载tim.exe
$task1 = $downloadService.DownloadFileTaskAsync($url_TIM, ".\download\tim.exe")
$awaiter = $task1.GetAwaiter()
while (-not $awaiter.IsCompleted) { Start-Sleep -Milliseconds 200; }
Unregister-Event -SourceIdentifier *COPY

# 定义文件的URL和保存路径
$urls = @(
    "https://dldir1v6.qq.com/weixin/Windows/WeChatSetup.exe",
    "https://dldir1.qq.com/qqfile/qq/QQNT/Windows/QQ_9.9.15_240902_x64_01.exe",
    "https://dldir1.qq.com/qqfile/qq/TIM3.5.0/TIM3.5.0.22143.exe"
)
 
# 获取桌面路径
$desktop = [System.Environment]::GetFolderPath('Desktop')
 
# 创建一个存储作业的数组
$jobs = @()
 
# 启动并行下载作业
foreach ($url in $urls) {
    $fileName = Split-Path $url -Leaf
    $outputPath = Join-Path $desktop $fileName
 
    $jobs += Start-Job -ScriptBlock {
        param($downloadUrl, $savePath)
        Invoke-WebRequest -Uri $downloadUrl -OutFile $savePath
    } -ArgumentList $url, $outputPath
}
 
# 等待所有作业完成
$jobs | ForEach-Object {
    Wait-Job $_
    Remove-Job $_
}
 
Write-Host "所有文件下载完成！"COPY

# 定义文件的URL和保存路径
$urls = @(
    "https://dldir1v6.qq.com/weixin/Windows/WeChatSetup.exe",
    "https://dldir1.qq.com/qqfile/qq/QQNT/Windows/QQ_9.9.15_240902_x64_01.exe",
    "https://dldir1.qq.com/qqfile/qq/TIM3.5.0/TIM3.5.0.22143.exe"
)
 
# 获取桌面路径
$desktop = [System.Environment]::GetFolderPath('Desktop')
 
# 使用 curl.exe 并行下载，重定向输出到 $null 以避免 PowerShell 处理输出内容
& curl.exe --parallel `
    --output "$desktop\WeChatSetup.exe" $urls[0] `
    --output "$desktop\QQ_9.9.15.exe" $urls[1] `
    --output "$desktop\TIM3.5.0.exe" $urls[2] `
    *> $nullCOPY

# 定义文件的URL和保存路径
$urls = @(
    "https://dldir1v6.qq.com/weixin/Windows/WeChatSetup.exe",
    "https://dldir1.qq.com/qqfile/qq/QQNT/Windows/QQ_9.9.15_240902_x64_01.exe",
    "https://dldir1.qq.com/qqfile/qq/TIM3.5.0/TIM3.5.0.22143.exe"
)
 
# 获取桌面路径
$desktop = [System.Environment]::GetFolderPath('Desktop')
 
# 创建一个存储进程的数组
$processes = @()
 
# 启动并行下载进程
foreach ($url in $urls) {
    $fileName = Split-Path $url -Leaf
    $outputPath = Join-Path $desktop $fileName
 
    $process = Start-Process -FilePath "curl.exe" `
        -ArgumentList "--output `"$outputPath`" `"$url`"" `
        -PassThru #-NoNewWindow 
 
    $processes += $process
}
 
# 等待所有进程完成
$processes | ForEach-Object {
    $_.WaitForExit()
}
 
Write-Host "所有文件下载完成！"COPY

# curl.exe路径,7.76+才支持--parallel
$curl = "curl.exe"
# 定义文件的URL和保存路径
$downloads = @(
  @{
    src  = "https://dldir1.qq.com/qqfile/qq/TIM3.5.0/TIM3.5.0.22143.exe"
    dest = "$home\downloads\tim.exe"
  }
  @{
    src  = "https://dldir1.qq.com/qqfile/qq/QQNT/Windows/QQ_9.9.15_240902_x64_01.exe"
    dest = "$home\downloads\qq.exe"
  }
)
$begin = $true
$downloads | ForEach-Object {
  if ($begin) {
    $begin = $false
  } else {
    '--next'
  }
  '--url "{0}"' -f $_.src
  '--output "{0}"' -f ($_.dest.Replace('\', '\\'))
  '--location'
  '--compressed'
  '--tr-encoding'
  '--globoff'
} -End {
  '--parallel'
} | & $curl --config -COPY