diff --git a/cmake/cuda.cmake b/cmake/cuda.cmake
index 146cbee1c6a88711be596ea5f2b4d5f5df9777ed..83c00acfc638a704a3d1300c5a88de791939639c 100644
--- a/cmake/cuda.cmake
+++ b/cmake/cuda.cmake
@@ -62,10 +62,6 @@ function(detect_installed_gpus out_variable)
   if(NOT CUDA_gpu_detect_output)
     message(STATUS "Automatic GPU detection failed. Building for all known architectures.")
     set(${out_variable} ${paddle_known_gpu_archs} PARENT_SCOPE)
-    #Todo: fix Automatic GPU detection failed on windows
-    if(WIN32)
-      set(${out_variable} "61 75" PARENT_SCOPE)
-    endif()
   else()
     set(${out_variable} ${CUDA_gpu_detect_output} PARENT_SCOPE)
   endif()
diff --git a/paddle/scripts/paddle_build.bat b/paddle/scripts/paddle_build.bat
index afb3f360a9abd86b434fb3f48ce8e9a35f908049..63b92373bef39dbc9ad7cd70f53182365297b005 100644
--- a/paddle/scripts/paddle_build.bat
+++ b/paddle/scripts/paddle_build.bat
@@ -1,6 +1,3 @@
-@ECHO ON
-SETLOCAL
-
 rem Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
 rem
 rem Licensed under the Apache License, Version 2.0 (the "License");
@@ -19,9 +16,13 @@ rem =================================================
 rem       Paddle CI Task On Windows Platform
 rem =================================================
 
+@ECHO ON
+SETLOCAL
+
 rem -------clean up environment-----------
 set work_dir=%cd%
-wmic process where name="op_function_generator.exe" call terminate  2>NUL
+taskkill /f /im op_function_generator.exe
+wmic process where name="op_function_generator.exe" call terminate
 
 rem ------initialize common variable------
 if not defined CUDA_TOOLKIT_ROOT_DIR set CUDA_TOOLKIT_ROOT_DIR="C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v10.0"
@@ -175,6 +176,7 @@ rem ----------------------------------------------------------------------------
 echo    ========================================
 echo    Step 1. Cmake ...
 echo    ========================================
+call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
 
 for /F %%# in ('wmic os get localdatetime^|findstr 20') do set start=%%#
 set start=%start:~4,10%
@@ -201,9 +203,8 @@ rem ----------------------------------------------------------------------------
 echo    ========================================
 echo    Step 2. Buile Paddle ...
 echo    ========================================
-call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
 
-for /F %%# in ('wmic cpu get NumberOfLogicalProcessors^|findstr [0-9]') do set /a PARALLEL_PROJECT_COUNT=%%#*8/10
+for /F %%# in ('wmic cpu get NumberOfLogicalProcessors^|findstr [0-9]') do set /a PARALLEL_PROJECT_COUNT=%%#*9/10
 set build_times=1
 :build_tp
 echo Build third_party the %build_times% time:
@@ -248,19 +249,25 @@ echo    ========================================
 echo    Step 3. Test pip install whl package ...
 echo    ========================================
 
+setlocal enabledelayedexpansion
+
 for /F %%# in ('wmic os get localdatetime^|findstr 20') do set end=%%#
 set end=%end:~4,10%
 call :timestamp "%start%" "%end%" "Build"
+@ECHO OFF
 tree /F %cd%\paddle_inference_install_dir\paddle
-%cache_dir%\tools\busybox64.exe du -h -d 0 %cd%\paddle_inference_install_dir\paddle\lib > lib_size.txt
+%cache_dir%\tools\busybox64.exe du -h -d 0 -k %cd%\paddle_inference_install_dir\paddle\lib > lib_size.txt
 set /p libsize=< lib_size.txt
-for /F %%i in ("%libsize%") do echo "Windows Paddle_Inference Size: %%i"
+for /F %%i in ("%libsize%") do (
+    set /a libsize_m=%%i/1024
+    echo "Windows Paddle_Inference Size: !libsize_m!M"
+)
 %cache_dir%\tools\busybox64.exe du -h -d 0 %cd%\python\dist > whl_size.txt
 set /p whlsize=< whl_size.txt
 for /F %%i in ("%whlsize%") do echo "Windows PR whl Size: %%i"
 dir /s /b python\dist\*.whl > whl_file.txt
 set /p PADDLE_WHL_FILE_WIN=< whl_file.txt
-
+@ECHO ON
 pip uninstall -y paddlepaddle
 pip uninstall -y paddlepaddle-gpu
 pip install -U %PADDLE_WHL_FILE_WIN% --user