Can not install opencv4nodejs

Dear Author,
I can not install opencv4nodejs.
Steps, I did:
1) npm install windows-build-tools --vs2015
-> Successfully [OK]
2) npm i opencv4nodejs
ERR:
the log:
XXXXXXXXXXX\node_modules\opencv4nodejs>if not defined npm_config_no
de_gyp (node "C:\nodejs\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin
\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild ) else (node "C:\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" rebuild )
The system cannot find the path specified.
gyp ERR! configure error
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack at ChildProcess.onCpExit (C:\nodejs\node_modules\npm\node_modules\node-gyp\lib\configure.js:345:16)
gyp ERR! stack at ChildProcess.emit (events.js:182:13)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_proces
s.js:240:12)
gyp ERR! System Windows_NT 6.1.7600
gyp ERR! command "C:\\nodejs\\node.exe" "C:\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild"
gyp ERR! cwd xxxxxxxxxxxxxxxxxx\node_modules\opencv4nodejs
gyp ERR! node -v v10.14.2
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! opencv4nodejs@4.13.0 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the opencv4nodejs@4.13.0 install script.
npm ERR! This is probably not a problem with npm. There is likely additional log
ging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\my_pc\AppData\Roaming\npm-cache\_logs\2018-12-22T10_02_23_
542Z-debug.log