```
VUE="/e/src/vue/config"
PATH: ${VUE}: ${PATH}
npm config set prefix "/e/src/vue/config"
npm config set registry https://registry.npmmirror.com
npm config get registry
npm config list
npm install node@12.16.3 --save-dev [npm uninstall node]
npm install vue
npm install webpack -g
npm i -g @vue/cli-init
npm i -g vue-cli
# vue-cli2.x webpack3.xxx
vue init webpack demo
# vue-cli3.x webpack4.xxx:
# vue create demo
# npm uninstall -g @vue/cli
# npm uninstall -g @vue/cli --force
# npm i -g @vue/cli
```
