diff --git a/CMakeLists.txt b/CMakeLists.txt
index e7ab0792977..8a3b6d4c9bc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,7 +51,7 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR}/third_party/flatbuffers/include)
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/third_party/flatbuffers/include/flatbuffers)
 
 include(${CMAKE_SOURCE_DIR}/cmake/dependency_utils.cmake)
-find_package(Python3 3.7 COMPONENTS Interpreter Development)
+find_package(Python3 COMPONENTS Interpreter Development)
 if(Python3_FOUND)
     set(PYTHON_INCLUDE_DIRS "${Python3_INCLUDE_DIRS}")
     set(PYTHON_LIBRARIES "${Python3_LIBRARIES}")
diff --git a/cmake/check_requirements.cmake b/cmake/check_requirements.cmake
index 106eb4d5e9e..eb800456a17 100644
--- a/cmake/check_requirements.cmake
+++ b/cmake/check_requirements.cmake
@@ -1,4 +1,4 @@
-## define customized find fucntions, print customized error messages
+## define customized find functions, print customized error messages
 function(find_required_package pkg_name)
     find_package(${pkg_name})
     if(NOT ${pkg_name}_FOUND)
@@ -24,7 +24,7 @@ if(Python3_FOUND)
     message("Python3 library path: ${Python3_LIBRARY}")
     message("Python3 interpreter: ${Python3_EXECUTABLE}")
 elseif(Python3_LIBRARY AND Python3_EXECUTABLE AND
-        ${Python3_VERSION} VERSION_GREATER_EQUAL "3.7.0" AND ${Python3_VERSION} VERSION_LESS "3.8.9")
+        ${Python3_VERSION} VERSION_GREATER_EQUAL "3.7.0" AND ${Python3_VERSION} VERSION_LESS "3.9.9")
     message(WARNING "Maybe python3 environment is broken.")
     message("Python3 library path: ${Python3_LIBRARY}")
     message("Python3 interpreter: ${Python3_EXECUTABLE}")
diff --git a/cmake/external_libs/opencv.cmake b/cmake/external_libs/opencv.cmake
index cd5784713b8..75edcc6a5a5 100644
--- a/cmake/external_libs/opencv.cmake
+++ b/cmake/external_libs/opencv.cmake
@@ -18,70 +18,149 @@ else()
 endif()
 
 if(ENABLE_GITEE)
-    set(REQ_URL "https://gitee.com/mirrors/opencv/repository/archive/4.2.0.tar.gz")
-    set(MD5 "00424c7c4acde1e26ebf17aaa155bf23")
+    if(PYTHON_VERSION MATCHES "3.9")
+        set(REQ_URL "https://gitee.com/mirrors/opencv/repository/archive/4.5.1.tar.gz")
+        set(MD5 "e74309207f2fa88fb6cc417d8ea9ff09")
+    elseif((PYTHON_VERSION MATCHES "3.7") OR (PYTHON_VERSION MATCHES "3.8"))
+        set(REQ_URL "https://gitee.com/mirrors/opencv/repository/archive/4.2.0.tar.gz")
+        set(MD5 "00424c7c4acde1e26ebf17aaa155bf23")
+    else()
+        message("Could not find 'Python 3.8' or 'Python 3.7' or 'Python 3.9'")
+        return()
+    endif()
 else()
-    set(REQ_URL "https://github.com/opencv/opencv/archive/4.2.0.tar.gz")
-    set(MD5 "e8cb208ce2723481408b604b480183b6")
+    if(PYTHON_VERSION MATCHES "3.9")
+        set(REQ_URL "https://github.com/opencv/opencv/archive/4.5.1.tar.gz")
+        set(MD5 "2205d3169238ec1f184438a96de68513")
+    elseif((PYTHON_VERSION MATCHES "3.7") OR (PYTHON_VERSION MATCHES "3.8"))
+        set(REQ_URL "https://github.com/opencv/opencv/archive/4.2.0.tar.gz")
+        set(MD5 "e8cb208ce2723481408b604b480183b6")
+    else()
+        message("Could not find 'Python 3.8' or 'Python 3.7' or 'Python 3.9'")
+        return()
+    endif()
 endif()
 
 if(WIN32)
-    mindspore_add_pkg(opencv
-            VER 4.2.0
-            LIBS libopencv_core420.dll.a libopencv_imgcodecs420.dll.a libopencv_imgproc420.dll.a
-            LIB_PATH x64/mingw/lib
-            URL ${REQ_URL}
-            MD5 ${MD5}
-            CMAKE_OPTION -DCMAKE_BUILD_TYPE=Release -DWITH_PROTOBUF=OFF -DWITH_WEBP=OFF -DWITH_IPP=OFF -DWITH_ADE=OFF
-            -DBUILD_ZLIB=ON
-            -DBUILD_JPEG=ON
-            -DBUILD_PNG=ON
-            -DBUILD_OPENEXR=ON
-            -DBUILD_TESTS=OFF
-            -DBUILD_PERF_TESTS=OFF
-            -DBUILD_opencv_apps=OFF
-            -DCMAKE_SKIP_RPATH=TRUE
-            -DBUILD_opencv_python3=OFF
-            -DBUILD_opencv_videoio=OFF
-            -DWITH_FFMPEG=OFF
-            -DWITH_TIFF=ON
-            -DBUILD_TIFF=OFF
-            -DWITH_JASPER=OFF
-            -DBUILD_JASPER=OFF
-            -DWITH_LAPACK=OFF
-            -DTIFF_INCLUDE_DIR=${tiff_INC}
-            -DTIFF_LIBRARY=${tiff_LIB})
+    if(PYTHON_VERSION MATCHES "3.9")
+        mindspore_add_pkg(opencv
+                VER 4.5.1
+                LIBS libopencv_core451.dll.a libopencv_imgcodecs451.dll.a libopencv_imgproc451.dll.a
+                LIB_PATH x64/mingw/lib
+                URL ${REQ_URL}
+                MD5 ${MD5}
+                CMAKE_OPTION -DCMAKE_BUILD_TYPE=Release -DWITH_PROTOBUF=OFF -DWITH_WEBP=OFF -DWITH_IPP=OFF
+                -DWITH_ADE=OFF
+                -DBUILD_ZLIB=ON
+                -DBUILD_JPEG=ON
+                -DBUILD_PNG=ON
+                -DBUILD_OPENEXR=ON
+                -DBUILD_TESTS=OFF
+                -DBUILD_PERF_TESTS=OFF
+                -DBUILD_opencv_apps=OFF
+                -DCMAKE_SKIP_RPATH=TRUE
+                -DBUILD_opencv_python3=OFF
+                -DBUILD_opencv_videoio=OFF
+                -DWITH_FFMPEG=OFF
+                -DWITH_TIFF=ON
+                -DBUILD_TIFF=OFF
+                -DWITH_JASPER=OFF
+                -DBUILD_JASPER=OFF
+                -DTIFF_INCLUDE_DIR=${tiff_INC}
+                -DTIFF_LIBRARY=${tiff_LIB})
+    elseif(PYTHON_VERSION MATCHES "3.8" OR PYTHON_VERSION MATCHES "3.7")
+        mindspore_add_pkg(opencv
+                VER 4.2.0
+                LIBS libopencv_core420.dll.a libopencv_imgcodecs420.dll.a libopencv_imgproc420.dll.a
+                LIB_PATH x64/mingw/lib
+                URL ${REQ_URL}
+                MD5 ${MD5}
+                CMAKE_OPTION -DCMAKE_BUILD_TYPE=Release -DWITH_PROTOBUF=OFF -DWITH_WEBP=OFF -DWITH_IPP=OFF
+                -DWITH_ADE=OFF
+                -DBUILD_ZLIB=ON
+                -DBUILD_JPEG=ON
+                -DBUILD_PNG=ON
+                -DBUILD_OPENEXR=ON
+                -DBUILD_TESTS=OFF
+                -DBUILD_PERF_TESTS=OFF
+                -DBUILD_opencv_apps=OFF
+                -DCMAKE_SKIP_RPATH=TRUE
+                -DBUILD_opencv_python3=OFF
+                -DBUILD_opencv_videoio=OFF
+                -DWITH_FFMPEG=OFF
+                -DWITH_TIFF=ON
+                -DBUILD_TIFF=OFF
+                -DWITH_JASPER=OFF
+                -DBUILD_JASPER=OFF
+                -DWITH_LAPACK=OFF
+                -DTIFF_INCLUDE_DIR=${tiff_INC}
+                -DTIFF_LIBRARY=${tiff_LIB})
+    endif()
 else()
-    mindspore_add_pkg(opencv
-            VER 4.2.0
-            LIBS opencv_core opencv_imgcodecs opencv_imgproc
-            URL ${REQ_URL}
-            MD5  ${MD5}
-            CMAKE_OPTION -DCMAKE_BUILD_TYPE=Release -DWITH_PROTOBUF=OFF -DWITH_WEBP=OFF -DWITH_IPP=OFF -DWITH_ADE=OFF
-            -DBUILD_ZLIB=ON
-            -DBUILD_JPEG=ON
-            -DBUILD_PNG=ON
-            -DBUILD_OPENEXR=ON
-            -DBUILD_TESTS=OFF
-            -DBUILD_PERF_TESTS=OFF
-            -DBUILD_opencv_apps=OFF
-            -DCMAKE_SKIP_RPATH=TRUE
-            -DBUILD_opencv_python3=OFF
-            -DWITH_FFMPEG=OFF
-            -DWITH_TIFF=ON
-            -DBUILD_TIFF=OFF
-            -DWITH_JASPER=OFF
-            -DBUILD_JASPER=OFF
-            -DWITH_LAPACK=OFF
-            -DTIFF_INCLUDE_DIR=${tiff_INC}
-            -DTIFF_LIBRARY=${tiff_LIB})
+    if(PYTHON_VERSION MATCHES "3.9")
+        mindspore_add_pkg(opencv
+                VER 4.5.1
+                LIBS opencv_core opencv_imgcodecs opencv_imgproc
+                URL ${REQ_URL}
+                MD5  ${MD5}
+                CMAKE_OPTION -DCMAKE_BUILD_TYPE=Release -DWITH_PROTOBUF=OFF -DWITH_WEBP=OFF -DWITH_IPP=OFF
+                -DWITH_ADE=OFF
+                -DBUILD_ZLIB=ON
+                -DBUILD_JPEG=ON
+                -DBUILD_PNG=ON
+                -DBUILD_OPENEXR=ON
+                -DBUILD_TESTS=OFF
+                -DBUILD_PERF_TESTS=OFF
+                -DBUILD_opencv_apps=OFF
+                -DCMAKE_SKIP_RPATH=TRUE
+                -DBUILD_opencv_python3=OFF
+                -DWITH_FFMPEG=OFF
+                -DWITH_TIFF=ON
+                -DBUILD_TIFF=OFF
+                -DWITH_JASPER=OFF
+                -DBUILD_JASPER=OFF
+                -DTIFF_INCLUDE_DIR=${tiff_INC}
+                -DTIFF_LIBRARY=${tiff_LIB})
+    elseif(PYTHON_VERSION MATCHES "3.8" OR PYTHON_VERSION MATCHES "3.7")
+        mindspore_add_pkg(opencv
+                VER 4.2.0
+                LIBS opencv_core opencv_imgcodecs opencv_imgproc
+                URL ${REQ_URL}
+                MD5  ${MD5}
+                CMAKE_OPTION -DCMAKE_BUILD_TYPE=Release -DWITH_PROTOBUF=OFF -DWITH_WEBP=OFF -DWITH_IPP=OFF
+                -DWITH_ADE=OFF
+                -DBUILD_ZLIB=ON
+                -DBUILD_JPEG=ON
+                -DBUILD_PNG=ON
+                -DBUILD_OPENEXR=ON
+                -DBUILD_TESTS=OFF
+                -DBUILD_PERF_TESTS=OFF
+                -DBUILD_opencv_apps=OFF
+                -DCMAKE_SKIP_RPATH=TRUE
+                -DBUILD_opencv_python3=OFF
+                -DWITH_FFMPEG=OFF
+                -DWITH_TIFF=ON
+                -DBUILD_TIFF=OFF
+                -DWITH_JASPER=OFF
+                -DBUILD_JASPER=OFF
+                -DWITH_LAPACK=OFF
+                -DTIFF_INCLUDE_DIR=${tiff_INC}
+                -DTIFF_LIBRARY=${tiff_LIB})
+    endif()
 endif()
 
 if(WIN32)
-    include_directories(${opencv_INC})
-    add_library(mindspore::opencv_core ALIAS opencv::libopencv_core420.dll.a)
-    add_library(mindspore::opencv_imgcodecs ALIAS opencv::libopencv_imgcodecs420.dll.a)
-    add_library(mindspore::opencv_imgproc ALIAS opencv::libopencv_imgproc420.dll.a)
+    if(PYTHON_VERSION MATCHES "3.9")
+        include_directories(${opencv_INC})
+        add_library(mindspore::opencv_core ALIAS opencv::libopencv_core451.dll.a)
+        add_library(mindspore::opencv_imgcodecs ALIAS opencv::libopencv_imgcodecs451.dll.a)
+        add_library(mindspore::opencv_imgproc ALIAS opencv::libopencv_imgproc451.dll.a)
+    elseif(PYTHON_VERSION MATCHES "3.8" OR PYTHON_VERSION MATCHES "3.7")
+        include_directories(${opencv_INC})
+        add_library(mindspore::opencv_core ALIAS opencv::libopencv_core420.dll.a)
+        add_library(mindspore::opencv_imgcodecs ALIAS opencv::libopencv_imgcodecs420.dll.a)
+        add_library(mindspore::opencv_imgproc ALIAS opencv::libopencv_imgproc420.dll.a)
+    endif()
 else()
     include_directories(${opencv_INC}/opencv4)
     add_library(mindspore::opencv_core ALIAS opencv::opencv_core)
diff --git a/cmake/external_libs/pybind11.cmake b/cmake/external_libs/pybind11.cmake
index f537ad4ebb5..e106dbb506e 100644
--- a/cmake/external_libs/pybind11.cmake
+++ b/cmake/external_libs/pybind11.cmake
@@ -1,36 +1,60 @@
 set(PYTHON_VERSION ${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR})
 
 if(ENABLE_GITEE)
-    if(PYTHON_VERSION MATCHES "3.8")
+    if(PYTHON_VERSION MATCHES "3.9")
+        set(REQ_URL "https://gitee.com/mirrors/pybind11/repository/archive/v2.6.1.tar.gz")
+        set(MD5 "a9b7642031f35daf33a75fe837b3dd31")
+    elseif(PYTHON_VERSION MATCHES "3.8")
         set(REQ_URL "https://gitee.com/mirrors/pybind11/repository/archive/v2.6.1.tar.gz")
         set(MD5 "a9b7642031f35daf33a75fe837b3dd31")
     elseif(PYTHON_VERSION MATCHES "3.7")
         set(REQ_URL "https://gitee.com/mirrors/pybind11/repository/archive/v2.4.3.tar.gz")
         set(MD5 "b473a37987ce456ea8cc7aab3f9486f9")
     else()
-        message("Could not find 'Python 3.8' or 'Python 3.7'")
+        message("Could not find 'Python 3.8' or 'Python 3.7' or 'Python 3.9'")
         return()
     endif()
 else()
-    if(PYTHON_VERSION MATCHES "3.8")
+    if(PYTHON_VERSION MATCHES "3.9")
+        set(REQ_URL "https://github.com/pybind/pybind11/archive/v2.6.1.tar.gz")
+        set(MD5 "32a7811f3db423df4ebfc731a28e5901")
+    elseif(PYTHON_VERSION MATCHES "3.8")
         set(REQ_URL "https://github.com/pybind/pybind11/archive/v2.6.1.tar.gz")
         set(MD5 "32a7811f3db423df4ebfc731a28e5901")
     elseif(PYTHON_VERSION MATCHES "3.7")
         set(REQ_URL "https://github.com/pybind/pybind11/archive/v2.4.3.tar.gz")
         set(MD5 "62254c40f89925bb894be421fe4cdef2")
     else()
-        message("Could not find 'Python 3.8' or 'Python 3.7'")
+        message("Could not find 'Python 3.8' or 'Python 3.7' or 'Python 3.9'")
         return()
     endif()
 endif()
 set(pybind11_CXXFLAGS "-D_FORTIFY_SOURCE=2 -O2")
 set(pybind11_CFLAGS "-D_FORTIFY_SOURCE=2 -O2")
-mindspore_add_pkg(pybind11
+
+if(PYTHON_VERSION MATCHES "3.9")
+    mindspore_add_pkg(pybind11
+        VER 2.6.1
+        URL ${REQ_URL}
+        MD5 ${MD5}
+        CMAKE_OPTION -DPYBIND11_TEST=OFF -DPYBIND11_LTO_CXX_FLAGS=FALSE
+        )
+elseif(PYTHON_VERSION MATCHES "3.8")
+    mindspore_add_pkg(pybind11
+        VER 2.6.1
+        URL ${REQ_URL}
+        MD5 ${MD5}
+        CMAKE_OPTION -DPYBIND11_TEST=OFF -DPYBIND11_LTO_CXX_FLAGS=FALSE
+        )
+else()
+    mindspore_add_pkg(pybind11
         VER 2.4.3
         URL ${REQ_URL}
         MD5 ${MD5}
         CMAKE_OPTION -DPYBIND11_TEST=OFF -DPYBIND11_LTO_CXX_FLAGS=FALSE
         )
+endif()
+
 include_directories(${pybind11_INC})
 find_package(pybind11 REQUIRED)
 set_property(TARGET pybind11::module PROPERTY IMPORTED_GLOBAL TRUE)
diff --git a/cmake/package_script.cmake b/cmake/package_script.cmake
index a84c75f9797..67596df7a9a 100644
--- a/cmake/package_script.cmake
+++ b/cmake/package_script.cmake
@@ -1,5 +1,5 @@
 # find exec
-find_package(Python3 3.7 COMPONENTS Interpreter)
+find_package(Python3 COMPONENTS Interpreter)
 if(NOT Python3_FOUND)
     message(FATAL_ERROR "No python3 found.")
 endif()
@@ -7,8 +7,8 @@ endif()
 set(PYTHON ${Python3_EXECUTABLE})
 set(PYTHON_VERSION ${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR})
 
-if(NOT (PYTHON_VERSION MATCHES "3.8" OR PYTHON_VERSION MATCHES "3.7"))
-    message(FATAL_ERROR "FIND PYTHON VERSION ${PYTHON_VERSION} BUT CAN NOT MATCH PYTHON VERSION 3.8 OR 3.7")
+if(NOT (PYTHON_VERSION MATCHES "3.9" OR PYTHON_VERSION MATCHES "3.8" OR PYTHON_VERSION MATCHES "3.7"))
+    message(FATAL_ERROR "FIND PYTHON VERSION ${PYTHON_VERSION} BUT CAN NOT MATCH PYTHON VERSION 3.9 OR 3.8 OR 3.7")
 endif()
 
 find_package(Git)
@@ -24,32 +24,38 @@ set(MS_PACK_ROOT_DIR ${MS_ROOT_DIR}/build/package)
 
 # set package file name
 if(CMAKE_SYSTEM_NAME MATCHES "Linux")
-    if(PYTHON_VERSION MATCHES "3.8")
+    if(PYTHON_VERSION MATCHES "3.9")
+        set(PY_TAGS "cp39-cp39")
+    elseif(PYTHON_VERSION MATCHES "3.8")
         set(PY_TAGS "cp38-cp38")
     elseif(PYTHON_VERSION MATCHES "3.7")
         set(PY_TAGS "cp37-cp37m")
     else()
-        message("Could not find 'Python 3.8' or 'Python 3.7'")
+        message("Could not find 'Python 3.9' OR 'Python 3.8' or 'Python 3.7'")
         return()
     endif()
     string(TOLOWER linux_${CMAKE_HOST_SYSTEM_PROCESSOR} PLATFORM_TAG)
 elseif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
-    if(PYTHON_VERSION MATCHES "3.8")
+    if(PYTHON_VERSION MATCHES "3.9")
+        set(PY_TAGS "py39-none")
+    elseif(PYTHON_VERSION MATCHES "3.8")
         set(PY_TAGS "py38-none")
     elseif(PYTHON_VERSION MATCHES "3.7")
         set(PY_TAGS "py37-none")
     else()
-        message("Could not find 'Python 3.8' or 'Python 3.7'")
+        message("Could not find 'Python 3.9' OR 'Python 3.8' or 'Python 3.7'")
         return()
     endif()
     set(PLATFORM_TAG "any")
 elseif(CMAKE_SYSTEM_NAME MATCHES "Windows")
-    if(PYTHON_VERSION MATCHES "3.8")
+    if(PYTHON_VERSION MATCHES "3.9")
+        set(PY_TAGS "cp39-cp39")
+    elseif(PYTHON_VERSION MATCHES "3.8")
         set(PY_TAGS "cp38-cp38")
     elseif(PYTHON_VERSION MATCHES "3.7")
         set(PY_TAGS "cp37-cp37m")
     else()
-        message("Could not find 'Python 3.8' or 'Python 3.7'")
+        message("Could not find 'Python 3.9' OR 'Python 3.8' or 'Python 3.7'")
         return()
     endif()
     set(PLATFORM_TAG "win_amd64")
diff --git a/mindspore/__init__.py b/mindspore/__init__.py
index e2ba3356388..d66d5044e66 100755
--- a/mindspore/__init__.py
+++ b/mindspore/__init__.py
@@ -15,7 +15,7 @@
 """.. MindSpore package."""
 
 from ._check_version import check_version_and_env_config
-from . import common, train
+from . import common, train, log
 from .common import *
 from .ops import _op_impl
 from .train import *