Cannot signed apk with error code 255

Unity Engine
,
1

my error info is :
CommandInvokationFailure: Failed to sign APK.
D:\Program Files\android-sdk-windows\build-tools\28.0.3\apksigner.bat sign --ks “D:/Unity Projects/readmindrps.keystore” --ks-pass stdin --ks-key-alias “readmindrpskey” --key-pass stdin “D:\Unity Projects\i_am_bag\Temp/StagingArea\Package.apk”
stderr[
‘C:\WINDOWS\system32\reg’ �����ڲ����ⲿ���Ҳ���ǿ����еij���
���������ļ���
]
stdout[
]
exit code: 255
UnityEditor.Android.Command.WaitForProgramToRun (UnityEditor.Utils.Program p, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.Command.RunWithStdin (System.Diagnostics.ProcessStartInfo psi, System.String errorMsg, IEnumerable1 input) UnityEditor.Android.Command.Run (System.String command, System.String args, System.String workingdir, System.String errorMsg, IEnumerable1 stdin)
UnityEditor.Android.PostProcessor.Tasks.BuildAPK+Builder.SignPackage (UnityEditor.Android.PostProcessor.Tasks.BuilderContext context, System.String abi, System.String& output)
UnityEditor.Android.PostProcessor.Tasks.BuildAPK+Builder.Build (UnityEditor.Android.PostProcessor.Tasks.BuilderContext context, System.String abi, System.String& output)
UnityEditor.Android.PostProcessor.Tasks.BuildAPK.Execute (UnityEditor.Android.PostProcessor.PostProcessorContext context)
UnityEditor.Android.PostProcessor.PostProcessRunner.RunAllTasks (UnityEditor.Android.PostProcessor.PostProcessorContext context)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

2

I have checked my java environment, they are all right.
So I can’t do any further.