[Vue warn]: onMounted is called when there is no active component instance to be associated with. Lifecycle injection APIs can only be used during execution of setup().
*解决办法*：删除package-lock.json，yarn.lock重新安装即可，有效性存疑
*原因*：三方组件在安装的时候安装了新的Vue相关包，在运行过程中三方包引用的vue和项目Vue包不是同一个,具体可以查看发出警告的文件路径（点击警告最右侧的js即可查看该文件详情）
No "exports" main defined in
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