Build 4.11.2 failed, becacuse can't open UE4Editor-Core.dll

Hi,
here is the question,I had bulid 4.11.2 success some days before, and it runs well, but today, I Rebulid it for a mistake, the it report error. So I bulid 4.11.2 again, then it shows the error:

1>------ Build started: Project: ShaderCompileWorker, Configuration: Development_Program x64 ------
1> Target is up to date
2>------ Build started: Project: UE4, Configuration: Development_Editor x64 ------
2> Performing 353 actions (8 in parallel)
2> [1/353] Link UE4Editor-Core.dll
2>LINK : fatal error LNK1104: cannot open file ‘D:\UE4_Engine_Source\4.11\UnrealEngine\Engine\Binaries\Win64\UE4Editor-Core.dll’
2> -------- End Detailed Actions Stats -----------------------------------------------------------
2>ERROR : UBT error : Failed to produce item: D:\UE4_Engine_Source\4.11\UnrealEngine\Engine\Intermediate\Build\Win64\UE4Editor\Development\UE4Editor-Core.exp
2> Total build time: 3.11 seconds
2>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Microsoft.MakeFile.Targets(37,5): error MSB3073: The command “…..\Build\BatchFiles\Build.bat UE4Editor Win64 Development -waitmutex” exited with code -1.
========== Build: 1 succeeded, 1 failed, 3 up-to-date, 0 skipped ==========

is any guys give me some hint to reslove this?

1>------ Build started: Project: ShaderCompileWorker, Configuration: Development_Program x64 ------

1> Target is up to date

2>------ Build started: Project: UE4, Configuration: Development_Editor x64 ------

2> Performing 353 actions (8 in parallel)

2> [1/353] Link UE4Editor-Core.dll

2>LINK : fatal error LNK1104: cannot open file
‘D:\UE4_Engine_Source\4.11\UnrealEngine\Engine\Binaries\Win64\UE4Editor-Core.dll’

2> -------- End Detailed Actions Stats -----------------------------------------------------------

2>ERROR : UBT error : Failed to produce item: D:\UE4_Engine_Source\4.11\UnrealEngine\Engine\Intermediate\Build\Win64\UE4Editor\Development\UE4Editor-Core.exp

2> Total build time: 3.11 seconds

2>C:\Program Files
(x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Microsoft.MakeFile.Targets(37,5): error MSB3073: The command “…\Build\BatchFiles\Build.bat UE4Editor Win64 Development -waitmutex” exited with code -1.

========== Build: 1 succeeded, 1 failed, 3 up-to-date, 0 skipped ==========

resloved it, it happens because ,when i build the UE4, I open the editor.just close editor, bulid success.