安装nodeppt失败

[flynn-z]

Executable	Version
node --version	v10.15.3
npm --version	6.4.1
nodeppt -v	2.1.5

OS	Ubuntu 16.04
NAME	VERSION

gyp ERR! configure error 
gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/nodeppt/node_modules/node-sass/.node-gyp'
gyp ERR! System Linux 4.4.0-87-generic
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/nodeppt/node_modules/node-gyp/bin/node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd /usr/local/lib/node_modules/nodeppt/node_modules/node-sass
gyp ERR! node -v v10.15.3
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok 
....
....

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@4.11.0 postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the node-sass@4.11.0 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!     /root/.npm/_logs/2019-04-04T07_09_51_144Z-debug.log

[ksky521]

node-sass安装失败