你好，我按照步骤来的，报这种错，是哪里的问题？

[shuxiayehu]

npm install

bcrypt@0.8.7 install D:\workspace\node-login\node_modules\bcrypt
node-gyp rebuild

D:\workspace\node-login\node_modules\bcrypt>if not defined npm_config_node_gyp (node "D:\nodeWeb\nodejs\node_global\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin\....\node_modules\node-gyp\bin\node-gyp.js" rebuild ) else (node "D:\nodeWeb\nodejs\node_global\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" rebuild )
gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
gyp ERR! stack at PythonFinder.failNoPython (D:\nodeWeb\nodejs\node_global\node_modules\npm\node_modules\node-gyp\lib\configure.js:483:19)
gyp ERR! stack at PythonFinder. (D:\nodeWeb\nodejs\node_global\node_modules\npm\node_modules\node-gyp\lib\configure.js:508:16)
gyp ERR! stack at D:\nodeWeb\nodejs\node_global\node_modules\npm\node_modules\graceful-fs\polyfills.js:284:29
gyp ERR! stack at FSReqWrap.oncomplete (fs.js:152:21)
gyp ERR! System Windows_NT 10.0.14393
gyp ERR! command "D:\nodeWeb\nodejs\node.exe" "D:\nodeWeb\nodejs\node_global\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" "rebuild"
gyp ERR! cwd D:\workspace\node-login\node_modules\bcrypt
gyp ERR! node -v v8.9.1
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
npm WARN slick-carousel@1.8.1 requires a peer of jquery@>=1.8.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.3 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! bcrypt@0.8.7 install: node-gyp rebuild
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the bcrypt@0.8.7 install 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! D:\nodeWeb\nodejs\node_cache_logs\2017-12-15T13_07_27_127Z-debug.log