我购买并使用 ReactJS 模板。这是我使用的模板
npm install我想在模板（React-App）的根目录中安装所有依赖项
但我收到这样的错误：
c:\Dev\template>npm install
npm WARN deprecated core-js@2.5.7: core-js@<3 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual version of core-js@3.
npm WARN deprecated react-s-alert@1.4.1: No longer maintained, see more info in readme
npm WARN deprecated core-js@2.6.11: core-js@<3 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual …