[]num安装不成功

命令行输入npm install -g qgame-toolkit报错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3 is no longer maintained and not recommended for usage due to the number of issues.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 version of core-js@3.
让我升级core-js@3
我在命令行输入npm install --save core-js@^3,没报错,不知是否升级成功
Laya发布时还是提示我要升级
npm要如何升级core-js@3,还是我Laya哪个地方没配置好vivo
QQ图片20200206113844.png
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