diff --git a/build.bat b/build.bat
index ddc59f97a363fc529744516aaee5659324068bc9..dafa3d7b96f15a8a944295e794d6b0e916708740 100644
--- a/build.bat
+++ b/build.bat
@@ -325,6 +325,51 @@ rem Locate python or python3
 call %SCRIPTDIR%\locate_python3.bat
 if %ERRORLEVEL% NEQ 0 exit /B %ERRORLEVEL%
 
+if !_IS_MINDSPORE_CI! == 1 (
+  rem ============================================================================
+  rem CI WORKAROUND for linker path-with-space issue
+  rem
+  rem The linker on some Windows CI nodes (ld.lld.exe) fails to process
+  rem library paths that contain spaces (e.g., Python installed in "Program Files").
+  rem To work around this, we copy the required Python .lib file to a local,
+  rem space-free directory and then force CMake to use this local copy.
+  rem This logic is only active when _IS_MINDSPORE_CI is true.
+  rem ============================================================================
+  set NEW_PYTHON_LIB_DIR=%ROOTDIR%\local_python_libs
+  echo Creating local directory for Python library at !NEW_PYTHON_LIB_DIR!
+  if not exist "!NEW_PYTHON_LIB_DIR!" md "!NEW_PYTHON_LIB_DIR!"
+
+  echo Locating original Python library...
+  for /f "delims=" %%i in ('!PYTHON! -c "import sys; print(sys.prefix)"') do set PYTHON_PREFIX=%%i
+  for /f "delims=" %%j in ('!PYTHON! -c "import sys; print('python{0}{1}.lib'.format(sys.version_info.major, sys.version_info.minor))"') do set PYTHON_LIB_FILENAME=%%j
+  if not defined PYTHON_PREFIX (
+      echo ERROR: Could not determine Python prefix.
+      exit /B 1
+  )
+  if not defined PYTHON_LIB_FILENAME (
+      echo ERROR: Could not determine Python library filename.
+      exit /B 1
+  )
+  set PYTHON_LIB_DIR=!PYTHON_PREFIX!\libs
+  echo Original Python library directory is: !PYTHON_LIB_DIR!
+  echo Python library filename is: !PYTHON_LIB_FILENAME!
+
+  set PYTHON_LIB_FILE=!PYTHON_LIB_DIR!\!PYTHON_LIB_FILENAME!
+  echo Checking for Python library file at: !PYTHON_LIB_FILE!
+  if not exist "!PYTHON_LIB_FILE!" (
+      echo ERROR: !PYTHON_LIB_FILENAME! not found at the expected location.
+      exit /B 1
+  )
+
+  echo Copying Python library to local directory...
+  copy /Y "!PYTHON_LIB_FILE!" "!NEW_PYTHON_LIB_DIR!\!PYTHON_LIB_FILENAME!"
+  if %ERRORLEVEL% NEQ 0 (
+      echo ERROR: Failed to copy !PYTHON_LIB_FILENAME!.
+      exit /B 1
+  )
+  echo Successfully copied !PYTHON_LIB_FILENAME!.
+)
+
 
 rem ============================================================================
 
@@ -411,6 +456,15 @@ if NOT "!CC!" == "" set args=!args! -C--global-option=--var -C--global-option=CM
 if NOT "!CXX!" == "" set args=!args! -C--global-option=--var -C--global-option=CMAKE_CXX_COMPILER -C--global-option=!CXX!
 if NOT "!CUDACXX!" == "" set args=!args! -C--global-option=--var -C--global-option=CMAKE_CUDA_COMPILER -C--global-option=!CUDACXX!
 
+rem Add CMake override for the local Python library, part of the CI WORKAROUND.
+if !_IS_MINDSPORE_CI! == 1 (
+  set OVERRIDDEN_PYTHON_LIB_PATH=!NEW_PYTHON_LIB_DIR!\!PYTHON_LIB_FILENAME!
+  set OVERRIDDEN_PYTHON_LIB_PATH_CMAKE=!OVERRIDDEN_PYTHON_LIB_PATH:\=/!
+  echo Overriding Python library to use: !OVERRIDDEN_PYTHON_LIB_PATH_CMAKE!
+  set args=!args! -C--global-option=--var -C--global-option=Python_LIBRARIES -C--global-option="!OVERRIDDEN_PYTHON_LIB_PATH_CMAKE!"
+  set args=!args! -C--global-option=--var -C--global-option=Python_LIBRARY -C--global-option="!OVERRIDDEN_PYTHON_LIB_PATH_CMAKE!"
+)
+
 rem ============================================================================
 
 if !enable_gpu! == 1 (
diff --git a/build.ps1 b/build.ps1
index cc43265226a34be7875b7ddecc0619bb7227b04e..dbee6be172a56d2f9bfbc6121c17f433a38e3dea 100644
--- a/build.ps1
+++ b/build.ps1
@@ -198,6 +198,49 @@ $ErrorActionPreference = 'Stop'
 
 Write-Output "Called with: $($MyInvocation.Line)"
 
+if ($global:_IS_MINDSPORE_CI) {
+    # ==============================================================================
+    # CI WORKAROUND for linker path-with-space issue
+    #
+    # The linker on some Windows CI nodes (ld.lld.exe) fails to process
+    # library paths that contain spaces (e.g., Python installed in "Program Files").
+    # To work around this, we copy the required Python .lib file to a local,
+    # space-free directory and then force CMake to use this local copy.
+    # This logic is only active when $global:_IS_MINDSPORE_CI is true.
+    # ==============================================================================
+    $global:NEW_PYTHON_LIB_DIR = (Join-Path $ROOTDIR 'local_python_libs')
+    Write-Output "Creating local directory for Python library at $($global:NEW_PYTHON_LIB_DIR)"
+    if (-not (Test-Path $global:NEW_PYTHON_LIB_DIR)) {
+        New-Item -ItemType Directory -Path $global:NEW_PYTHON_LIB_DIR | Out-Null
+    }
+
+    Write-Output "Locating original Python library..."
+    $pythonPrefix = (& "$PYTHON" -c "import sys; print(sys.prefix)").Trim()
+    $pythonLibFilename = (& "$PYTHON" -c "import sys; print('python{0}{1}.lib'.format(sys.version_info.major, sys.version_info.minor))").Trim()
+    if (-not $pythonPrefix) {
+        Write-Error "ERROR: Could not determine Python prefix."; exit 1
+    }
+    if (-not $pythonLibFilename) {
+        Write-Error "ERROR: Could not determine Python library filename."; exit 1
+    }
+    $pythonLibDir = (Join-Path $pythonPrefix 'libs')
+    Write-Output "Original Python library directory is: $pythonLibDir"
+    Write-Output "Python library filename is: $pythonLibFilename"
+
+    $sourceLibFile = (Join-Path $pythonLibDir $pythonLibFilename)
+    $destLibFile = (Join-Path $global:NEW_PYTHON_LIB_DIR $pythonLibFilename)
+    Write-Output "Checking for Python library file at: $sourceLibFile"
+    if (-not (Test-Path $sourceLibFile)) {
+        Write-Error "ERROR: $pythonLibFilename not found at the expected location."; exit 1
+    }
+
+    Write-Output "Copying Python library to local directory..."
+    Copy-Item -Path $sourceLibFile -Destination $destLibFile -Force
+    Write-Output "Successfully copied $pythonLibFilename."
+
+    $global:OVERRIDDEN_PYTHON_LIB_PATH_CMAKE = ($destLibFile).Replace('\', '/')
+}
+
 cd "$ROOTDIR"
 
 # ------------------------------------------------------------------------------
@@ -360,6 +403,13 @@ if([bool]$Env:CUDACXX) {
     $build_args += '--var', 'CMAKE_CUDA_COMPILER', "$Env:CUDACXX"
 }
 
+# Add CMake override for the local Python library, part of the CI WORKAROUND.
+if ($global:_IS_MINDSPORE_CI) {
+    Write-Output "Overriding Python library to use: $($global:OVERRIDDEN_PYTHON_LIB_PATH_CMAKE)"
+    $build_args += '--var', 'Python_LIBRARIES', "$($global:OVERRIDDEN_PYTHON_LIB_PATH_CMAKE)"
+    $build_args += '--var', 'Python_LIBRARY', "$($global:OVERRIDDEN_PYTHON_LIB_PATH_CMAKE)"
+}
+
 Write-Debug 'Will be passing these arguments to setup.py:'
 Write-Debug "    $build_args"