node-sass

npm rebuild node-sass

down: https://github.com/sass/node-sass/releases/download/v4.5.3/win32-x64-51_binding.node 

set XXX=文件路经--》set SASS_BINARY_PATH=F:\ww\tools\node-sass\win32-x64-46_binding.node

echo %SASS_BINARY_PATH%

npm i -g node-sass

或者

set SASS_BINARY_SITE=https://npm.taobao.org/mirrors/node-sass/
npm install node-sass