删除package-lock.json并同步到git
定义的依赖项./package-lock.json具有已知的安全漏洞
找到一个叫做.gitignore，把package-lock.json贴在这个文件里
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npm install webpack-dev-server --save --dev
install Usage of the --dev option is deprecated. Use --only=dev instead.
npm install webpack-dev-server --save --only=dev
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