求大神解惑！报错如图，非常感谢！

> node-sass@4.9.0 install C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-sass > node scripts/install.js Downloading binary from https://github.com/sass/node-sass/releases/download/v4.9.0/win32-x64-72_binding.node Cannot download "https://github.com/sass/node-sass/releases/download/v4.9.0/win32-x64-72_binding.node": HTTP error 404 Not Found Hint: If github.com is not accessible in your location try setting a proxy via HTTP_PROXY, e.g. export HTTP_PROXY=http://example.com:1234 or configure npm proxy via npm config set proxy http://example.com:8080 > node-sass@4.9.0 postinstall C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-sass > node scripts/build.js Building: D:\Program\nodejs\node.exe C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library= gyp info it worked if it ends with ok gyp verb cli [ gyp verb cli 'D:\\Program\\nodejs\\node.exe', gyp verb cli 'C:\\Users\\19952\\Desktop\\renren-fast-vue\\node_modules\\node-gyp\\bin\\node-gyp.js', gyp verb cli 'rebuild', gyp verb cli '--verbose', gyp verb cli '--libsass_ext=', gyp verb cli '--libsass_cflags=', gyp verb cli '--libsass_ldflags=', gyp verb cli '--libsass_library=' gyp verb cli ] gyp info using node-gyp@3.8.0 gyp info using node@12.18.3 | win32 | x64 gyp verb command rebuild [] gyp verb command clean [] gyp verb clean removing "build" directory gyp verb command configure [] gyp verb check python checking for Python executable "python2" in the PATH gyp verb `which` failed Error: not found: python2 gyp verb `which` failed at getNotFoundError (C:\Users\19952\Desktop\renren-fast-vue\node_modules\which\which.js:13:12) gyp verb `which` failed at F (C:\Users\19952\Desktop\renren-fast-vue\node_modules\which\which.js:68:19) gyp verb `which` failed at E (C:\Users\19952\Desktop\renren-fast-vue\node_modules\which\which.js:80:29) gyp verb `which` failed at C:\Users\19952\Desktop\renren-fast-vue\node_modules\which\which.js:89:16 gyp verb `which` failed at C:\Users\19952\Desktop\renren-fast-vue\node_modules\isexe\index.js:42:5 gyp verb `which` failed at C:\Users\19952\Desktop\renren-fast-vue\node_modules\isexe\windows.js:36:5 gyp verb `which` failed at FSReqCallback.oncomplete (fs.js:168:21) gyp verb `which` failed python2 Error: not found: python2 gyp verb `which` failed at getNotFoundError (C:\Users\19952\Desktop\renren-fast-vue\node_modules\which\which.js:13:12) gyp verb `which` failed at F (C:\Users\19952\Desktop\renren-fast-vue\node_modules\which\which.js:68:19) gyp verb `which` failed at E (C:\Users\19952\Desktop\renren-fast-vue\node_modules\which\which.js:80:29) gyp verb `which` failed at C:\Users\19952\Desktop\renren-fast-vue\node_modules\which\which.js:89:16 gyp verb `which` failed at C:\Users\19952\Desktop\renren-fast-vue\node_modules\isexe\index.js:42:5 gyp verb `which` failed at C:\Users\19952\Desktop\renren-fast-vue\node_modules\isexe\windows.js:36:5 gyp verb `which` failed at FSReqCallback.oncomplete (fs.js:168:21) { gyp verb `which` failed code: 'ENOENT' gyp verb `which` failed } gyp verb check python checking for Python executable "python" in the PATH gyp verb `which` succeeded python C:\Python27\python.EXE gyp verb check python version `C:\Python27\python.EXE -c "import sys; print "2.7.0 gyp verb check python version .%s.%s" % sys.version_info[:3];"` returned: %j gyp verb get node dir no --target version specified, falling back to host node version: 12.18.3 gyp verb command install [ '12.18.3' ] gyp verb install input version string "12.18.3" gyp verb install installing version: 12.18.3 gyp verb install --ensure was passed, so won't reinstall if already installed gyp verb install version is already installed, need to check "installVersion" gyp verb got "installVersion" 9 gyp verb needs "installVersion" 9 gyp verb install version is good gyp verb get node dir target node version installed: 12.18.3 gyp verb build dir attempting to create "build" dir: C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-sass\build gyp verb build dir "build" dir needed to be created? C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-sass\build gyp verb Not using VS2017: Could not use PowerShell to find VS2017 gyp verb build/config.gypi creating config file gyp verb build/config.gypi writing out config file: C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-sass\build\config.gypi gyp verb config.gypi checking for gypi file: C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-sass\config.gypi gyp verb common.gypi checking for gypi file: C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-sass\common.gypi gyp verb gyp gyp format was not specified; forcing "msvs" gyp info spawn C:\Python27\python.EXE gyp info spawn args [ gyp info spawn args 'C:\\Users\\19952\\Desktop\\renren-fast-vue\\node_modules\\node-gyp\\gyp\\gyp_main.py', gyp info spawn args 'binding.gyp', gyp info spawn args '-f', gyp info spawn args 'msvs', gyp info spawn args '-G', gyp info spawn args 'msvs_version=auto', gyp info spawn args '-I', gyp info spawn args 'C:\\Users\\19952\\Desktop\\renren-fast-vue\\node_modules\\node-sass\\build\\config.gypi', gyp info spawn args '-I', gyp info spawn args 'C:\\Users\\19952\\Desktop\\renren-fast-vue\\node_modules\\node-gyp\\addon.gypi', gyp info spawn args '-I', gyp info spawn args 'C:\\Users\\19952\\.node-gyp\\12.18.3\\include\\node\\common.gypi', gyp info spawn args '-Dlibrary=shared_library', gyp info spawn args '-Dvisibility=default', gyp info spawn args '-Dnode_root_dir=C:\\Users\\19952\\.node-gyp\\12.18.3', gyp info spawn args '-Dnode_gyp_dir=C:\\Users\\19952\\Desktop\\renren-fast-vue\\node_modules\\node-gyp', gyp info spawn args '-Dnode_lib_file=C:\\Users\\19952\\.node-gyp\\12.18.3\\<(target_arch)\\node.lib', gyp info spawn args '-Dmodule_root_dir=C:\\Users\\19952\\Desktop\\renren-fast-vue\\node_modules\\node-sass', gyp info spawn args '-Dnode_engine=v8', gyp info spawn args '--depth=.', gyp info spawn args '--no-parallel', gyp info spawn args '--generator-output', gyp info spawn args 'C:\\Users\\19952\\Desktop\\renren-fast-vue\\node_modules\\node-sass\\build', gyp info spawn args '-Goutput_dir=.' gyp info spawn args ] Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation gyp verb command build [] gyp verb build type Release gyp verb architecture x64 gyp verb node dev dir C:\Users\19952\.node-gyp\12.18.3 gyp verb found first Solution file build/binding.sln gyp verb could not find "msbuild.exe" in PATH - finding location in registry gyp info spawn C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe gyp info spawn args [ gyp info spawn args 'build/binding.sln', gyp info spawn args '/nologo', gyp info spawn args '/p:Configuration=Release;Platform=x64' gyp info spawn args ] 在此解决方案中一次生成一个项目。若要启用并行生成，请添加“/m”开关。 生成启动时间为 2020/8/18 7:25:01。 MSBUILD : error MSB4132: 无法识别工具版本“2.0”。可用的工具版本为 "4.0"。 生成失败。 MSBUILD : error MSB4132: 无法识别工具版本“2.0”。可用的工具版本为 "4.0"。 0 个警告 1 个错误 已用时间 00:00:00.03 gyp ERR! build error gyp ERR! stack Error: `C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe` failed with exit code: 1 gyp ERR! stack at ChildProcess.onExit (C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-gyp\lib\build.js:262:23) gyp ERR! stack at ChildProcess.emit (events.js:315:20) gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:275:12) gyp ERR! System Windows_NT 10.0.19041 gyp ERR! command "D:\\Program\\nodejs\\node.exe" "C:\\Users\\19952\\Desktop\\renren-fast-vue\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library=" gyp ERR! cwd C:\Users\19952\Desktop\renren-fast-vue\node_modules\node-sass gyp ERR! node -v v12.18.3 gyp ERR! node-gyp -v v3.8.0 gyp ERR! not ok Build failed with error code: 1 npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}) npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! node-sass@4.9.0 postinstall: `node scripts/build.js` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the node-sass@4.9.0 postinstall script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\19952\AppData\Roaming\npm-cache\_logs\2020-08-17T23_25_02_412Z-debug.log