运行webpack命令一直提示安装webpack-cli，单独安装webpack-cli之后该命令还是无效

Question

1、先全局安装webpack，再局部安装webpack

npm install webpack -g
npm install webpack --save-dev

2、先全局安装webpack-cli，再局部安装webpack-cli

npm install webpack-cli -g
npm install webpack-cli --save-dev

模块安装

模块依赖

使用webpack命令无效

选择yes

Answer 1

等待大神解答