webpack-cli安装报错如下，为什么？

PS D:\phpstudy_pro\U\webpack> npm i webpack-cli -D

• npm WARN rm not removing D:\phpstudy_pro\U\webpack\node_modules.bin\webpack.ps1 as it wasn't installed by D:\phpstudy_pro\U\webpack\node_modules_webpack@4.43.0@webpack
• npm WARN rm not removing D:\phpstudy_pro\U\webpack\node_modules.bin\webpack.cmd as it wasn't installed by D:\phpstudy_pro\U\webpack\node_modules_webpack@4.43.0@webpack

https://blog.csdn.net/huang772624/article/details/87934949