Mac OS，安装这个教程来配置开发环境，已解决了权限问题，但是卡在了npm start这一步。
如下图，我已经安装了Rax了，但是执行命令还是提示sh: rax-app: command not found。
请问大佬们这个问题根源到底是什么？
查看npm已安装的包，提示报错代码如下：
➜ demo npm ls
@rax-materials/scaffolds-app-js@0.1.0 /Users/Ken/Documents/devDocs/Rax/demo
├── UNMET DEPENDENCY @iceworks/spec@^1.0.0
├── UNMET DEPENDENCY eslint@^6.8.0
├── UNMET DEPENDENCY prettier@^2.1.2
├── UNMET DEPENDENCY rax-app@^3.0.0
├── UNMET DEPENDENCY rax-document@^0.1.0
├── UNMET DEPENDENCY rax-image@^2.0.0
├── UNMET DEPENDENCY rax-link@^1.0.1
├── UNMET DEPENDENCY rax-text@^2.0.0
├── UNMET DEPENDENCY rax-view@^2.0.0
├── UNMET DEPENDENCY rax@^1.1.0
└── UNMET DEPENDENCY stylelint@^13.7.2
npm ERR! code ELSPROBLEMS
npm ERR! missing: @iceworks/spec@^1.0.0, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: eslint@^6.8.0, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: prettier@^2.1.2, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: rax-app@^3.0.0, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: rax-document@^0.1.0, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: rax-image@^2.0.0, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: rax-link@^1.0.1, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: rax-text@^2.0.0, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: rax-view@^2.0.0, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: rax@^1.1.0, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! missing: stylelint@^13.7.2, required by @rax-materials/scaffolds-app-js@0.1.0
npm ERR! A complete log of this run can be found in:
npm ERR! /Users/Ken/.npm/_logs/2021-09-05T10_41_00_698Z-debug.log