DLL not found for VuforiaWrapper

Hello everyone, currently I am facing the issue on building vuforia unity windows standalone build. The App works fine in Unity editor, the camera can initialize and the AR is fine also. But in the windows build he dll is missing. Unity 2017.3.03f and vuforia 7.0.36 are used. But i cannot found any vuforiawrapper dll in the build file, is it normal for the windows build? 

UnloadTime: 9.571400 ms Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/VuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/.\VuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/VuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/libVuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/.\libVuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/libVuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/VuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/.\VuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/VuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/libVuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/.\libVuforiaWrapper Fallback handler could not load library C:/workplace/source/Unity/build/2017.3/test_Data/Mono/libVuforiaWrapper DllNotFoundException: VuforiaWrapper   at (wrapper managed-to-native) Vuforia.VuforiaNativeWrapper:initPlatformNative ()   at Vuforia.VuforiaNativeWrapper.InitPlatformNative () [0x00000] in <filename unknown>:0   at Vuforia.PlayModeUnityPlayer.InitializePlatform () [0x00000] in <filename unknown>:0   at Vuforia.VuforiaRuntime.InitPlatform (IUnityPlayer player) [0x00000] in <filename unknown>:0   at Vuforia.PlatformRuntimeInitialization.InitPlatform () [0x00000] in <filename unknown>:0 (Filename:  Line: -1)

the above is one of the sections in the log file.

I also tried to drag the vuforiawrapper dll into mono folder and the standalone app will quit immediately after execute. And below is the log file and it seems there is fine but the app quit after seting the enlighten thread.

Mono path[0] = 'C:/workplace/source/Unity/build/2017.3/test_Data/Managed' Mono config path = 'C:/workplace/source/Unity/build/2017.3/test_Data/Mono/etc' PlayerConnection initialized from C:/workplace/source/Unity/build/2017.3/test_Data (debug = 0) PlayerConnection initialized network socket : 0.0.0.0 55422 Multi-casting "[IP] 192.168.0.15 [Port] 55422 [Flags] 2 [Guid] 4136123686 [EditorId] 175958452 [Version] 1048832 [Id] WindowsPlayer(grainNpixel) [Debug] 0" to [225.0.0.222:54997]... Started listening to [0.0.0.0:55422] PlayerConnection already initialized - listening to [0.0.0.0:55422] Initialize engine version: 2017.3.0f3 (a9f86dcd79df) GfxDevice: creating device client; threaded=1 Direct3D:     Version:  Direct3D 11.0 [level 11.1]     Renderer: Intel(R) Iris(TM) Pro Graphics 5200 (ID=0xd26)     Vendor:   Intel     VRAM:     1136 MB     Driver:   20.19.15.4835 Begin MonoManager ReloadAssembly - Completed reload, in  0.038 seconds <RI> Initializing input.

XInput1_3.dll not found. Trying XInput9_1_0.dll instead... <RI> Input initialized.

<RI> Initialized touch support.

Setting up 4 worker threads for Enlighten.   Thread -> id: 3690 -> priority: 1   Thread -> id: 424c -> priority: 1   Thread -> id: 2f60 -> priority: 1   Thread -> id: 3790 -> priority: 1

Any idea on it? 

Thanks a lot.