npm 报 code EINTEGRITY(二)

1. npm 换源

npm config set registry https://registry.npm.taobao.org
验证是否成功
npm config get registry 或者 npm info express

2.执行 npm install

3.ionic serve报错

Error: Missing binding /Users/edward/Desktop/ionic/demo01/node_modules/node-sass/vendor/darwin-x64-57/binding.node
Node Sass could not find a binding for your current environment: OS X 64-bit with Node.js 8.x

Found bindings for the following environments:
  - OS X 64-bit with Node.js 8.x

This usually happens because your environment has changed since running `npm install`.
Run `npm rebuild node-sass --force` to build the binding for your current environment.
    at module.exports (/Users/edward/Desktop/ionic/demo01/node_modules/node-sass/lib/binding.js:15:13)
    at Object. (/Users/edward/Desktop/ionic/demo01/node_modules/node-sass/lib/index.js:14:35)
    at Module._compile (module.js:624:30)
    at Object.Module._extensions..js (module.js:635:10)
    at Module.load (module.js:545:32)
    at tryModuleLoad (module.js:508:12)
    at Function.Module._load (module.js:500:3)
    at Module.require (module.js:568:17)
    at require (internal/module.js:11:18)
    at Object. (/Users/edward/Desktop/ionic/demo01/node_modules/@ionic/app-scripts/dist/core/bundle-components.js:6:16)

4.执行npm rebuild node-sass --force

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