Fail project package in command line

cmd:

D:/UnrealEngine/Engine/Binaries/DotNET/AutomationTool.exe BuildCookRun -nocompileeditor -nop4 -project="E:/Documents/Unreal Projects/PakTest/PakTest.uproject" -cook -stage -archive -archivedirectory=D:/QQPCmgr/Desktop/Pak -package -clientconfig=Development -ue4exe=UE4Editor-Cmd.exe -pak -prereqs -distribution -nodebuginfo -targetplatform=Win64 -build -utf8output -compile

error:

WARNING: Failed to delete file D:\UnrealEngine\Engine\Binaries\DotNET\AutomationUtils.Automation.dll in 10 attempts.
WARNING: Exception in mscorlib: 对路径“D:\UnrealEngine\Engine\Binaries\DotNET\AutomationUtils.Automation.dll”的访问被拒绝。
Stacktrace: 在 System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
在 System.IO.File.InternalDelete(String path, Boolean checkHost)
在 AutomationTool.InternalUtils.SafeDeleteFile(String Path, Boolean bQuiet) 位置 D:\UnrealEngine\Engine\Source\Programs\AutomationTool\AutomationUtils\Utils.cs:行号 100
ERROR: Failed to delete file ‘D:\UnrealEngine\Engine\Binaries\DotNET\AutomationUtils.Automation.dll’
(see D:\UnrealEngine\Engine\Programs\AutomationTool\Saved\Logs\Log.txt for full exception trace)