diff --git a/cmake/external/boost.cmake b/cmake/external/boost.cmake
index ede4b1f61f51fe1cc26fe30bb0e3417435395a6b..42881106c8778bfd1b23cb7333eb8a472fc276e8 100644
--- a/cmake/external/boost.cmake
+++ b/cmake/external/boost.cmake
@@ -28,26 +28,26 @@ if((NOT DEFINED BOOST_TAR) OR (NOT DEFINED BOOST_URL))
     set(BOOST_TAR "boost_1_41_0" CACHE STRING "" FORCE)
     set(BOOST_URL "http://paddlepaddledeps.cdn.bcebos.com/${BOOST_TAR}.tar.gz" CACHE STRING "" FORCE)
 endif()
-MESSAGE(STATUS "BOOST_TAR: ${BOOST_TAR}, BOOST_URL: ${BOOST_URL}")
+IF (WIN32)
+    MESSAGE(WARNING, "In windows, boost can not be downloaded automaticlly, please build it manually and put it at " ${THIRD_PARTY_PATH}install/boost)
+else()
+    MESSAGE(STATUS "BOOST_TAR: ${BOOST_TAR}, BOOST_URL: ${BOOST_URL}")
+ENDIF(WIN32)
+
 set(BOOST_SOURCES_DIR ${THIRD_PARTY_PATH}/boost)
 set(BOOST_DOWNLOAD_DIR  "${BOOST_SOURCES_DIR}/src/${BOOST_PROJECT}")
 set(BOOST_INCLUDE_DIR "${BOOST_DOWNLOAD_DIR}/${BOOST_TAR}" CACHE PATH "boost include directory." FORCE)
 set_directory_properties(PROPERTIES CLEAN_NO_CUSTOM 1)
 
 include_directories(${BOOST_INCLUDE_DIR})
-set(COMMAND "wget --no-check-certificate ${BOOST_URL} -c -q -O ${BOOST_TAR}.tar.gz
-                          && tar zxf ${BOOST_TAR}.tar.gz")
-#if (WIN32)
-#set(COMMAND "")
-#message(WARNING "Windows do not support automaticlly download and install boost. Please manually install it in the thrid_party/install/boost.")
-#endif(WIN32)
 
 if (NOT WIN32)
 ExternalProject_Add(
     ${BOOST_PROJECT}
     ${EXTERNAL_PROJECT_LOG_ARGS}
     DOWNLOAD_DIR          ${BOOST_DOWNLOAD_DIR}
-    DOWNLOAD_COMMAND      ${COMMAND}
+    DOWNLOAD_COMMAND      "wget --no-check-certificate ${BOOST_URL} -c -q -O ${BOOST_TAR}.tar.gz
+                          && tar zxf ${BOOST_TAR}.tar.gz"
     DOWNLOAD_NO_PROGRESS  1
     PREFIX                ${BOOST_SOURCES_DIR}
     CONFIGURE_COMMAND     ""
diff --git a/cmake/external/openblas.cmake b/cmake/external/openblas.cmake
index c3fbe4dbdb28f1008bb274ee18293db348bfc6ed..6a521125cc87b346943d6bb846a899cf00319057 100644
--- a/cmake/external/openblas.cmake
+++ b/cmake/external/openblas.cmake
@@ -17,9 +17,6 @@ IF(USE_EIGEN_FOR_BLAS)
 ENDIF(USE_EIGEN_FOR_BLAS)
 
 INCLUDE(cblas)
-# IF(WIN32 AND NOT ${CBLAS_FOUND})
-
-
 
 IF(NOT ${CBLAS_FOUND})
 
diff --git a/cmake/generic.cmake b/cmake/generic.cmake
index 6d230942321f8d82a14f5c58037134deb0ab222d..e40e2aea0ed98923dcd68a69f4d9204b5d25b601 100644
--- a/cmake/generic.cmake
+++ b/cmake/generic.cmake
@@ -204,17 +204,13 @@ function(merge_static_libs TARGET_NAME)
 
     foreach(lib ${libs})
       # Get the file names of the libraries to be merged
-      #if(NOT $<TARGET_FILE:${lib}> MATCHES "lib.*\\.lib")
-      #  message("library" ${lib})
-      #  set(libfiles ${libfiles} lib$<TARGET_FILE:${lib}>)
-      #else()
       set(libfiles ${libfiles} $<TARGET_FILE:${lib}>)
-      #endif()
     endforeach()
-   
-    # windows cmd return error in clean env.
-    # COMMAND del "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${TARGET_NAME}.lib"
+    
+    # msvc will put libarary in directory of "/Release/xxxlib" by default 
     add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
+      COMMAND cmake -E remove "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${TARGET_NAME}.lib"
+      COMMAND cmake -E remove "${CMAKE_CURRENT_BINARY_DIR}/${TARGET_NAME}.lib"
       COMMAND lib /OUT:${CMAKE_CURRENT_BINARY_DIR}/lib${TARGET_NAME}.lib ${libfiles}
       )
   endif(WIN32)