uniappx如何去拿取系统根目录的图片文件然后渲染到页面

uniappx如何去拿取系统根目录的图片文件然后渲染到页面，目前使用根目录地址提示报错
求大佬，求大佬
This is most likely unintended because it can break your application at runtime.
15:20:33.789 If you do want to externalize this module explicitly add it to
15:20:33.789 `build.rollupOptions.external