failed to install submodule

[Realinxc]

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(gaussian_splatting) PS E:\MyCode\3DGaussian-Splatting\gaussian-splatting\submodules\diff-gaussian-rasterization> python setup.py install running install C:\Users\linxc.conda\envs\gaussian_splatting\lib\site-packages\setuptools_distutils\cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated. !!

    ********************************************************************************
    Please avoid running ``setup.py`` directly.
    Instead, use pypa/build, pypa/installer or other
    standards-based tools.

    See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
    ********************************************************************************

!! self.initialize_options() C:\Users\linxc.conda\envs\gaussian_splatting\lib\site-packages\setuptools_distutils\cmd.py:66: EasyInstallDeprecationWarning: easy_install command is deprecated. !!

    ********************************************************************************
    Please avoid running ``setup.py`` and ``easy_install``.
    Instead, use pypa/build, pypa/installer or other
    standards-based tools.

    See https://github.com/pypa/setuptools/issues/917 for details.
    ********************************************************************************

!! self.initialize_options() running bdist_egg running egg_info writing diff_gaussian_rasterization.egg-info\PKG-INFO writing dependency_links to diff_gaussian_rasterization.egg-info\dependency_links.txt writing top-level names to diff_gaussian_rasterization.egg-info\top_level.txt reading manifest file 'diff_gaussian_rasterization.egg-info\SOURCES.txt' adding license file 'LICENSE.md' writing manifest file 'diff_gaussian_rasterization.egg-info\SOURCES.txt' installing library code to build\bdist.win-amd64\egg running install_lib running build_py creating build\lib.win-amd64-cpython-37 creating build\lib.win-amd64-cpython-37\diff_gaussian_rasterization copying diff_gaussian_rasterization_init_.py -> build\lib.win-amd64-cpython-37\diff_gaussian_rasterization running build_ext error: [WinError 2] 系统找不到指定的文件。