我正在尝试使用Packager构建一个本机反应项目，但我总是得到构建（已弃用）资产地图消息。谁知道如何避免弃用的版本？谢谢！
以下是Packager日志：
[5:12:29 PM] <START> Building Dependency Graph
[5:12:29 PM] <START> Crawling File System
[5:12:29 PM] <START> Loading bundles layout
[5:12:29 PM] <END> Loading bundles layout (1ms)
React packager ready.
[5:12:37 PM] <END> Crawling File System (8041ms)
[5:12:37 PM] <START> Building in-memory fs for JavaScript
[5:12:38 PM] <END> Building in-memory fs for JavaScript (990ms)
[5:12:38 PM] <START> Building in-memory fs for Assets
[5:12:39 PM] <END> Building in-memory fs for Assets (1023ms)
[5:12:39 PM] <START> Building Haste Map
[5:12:39 PM] <START> Building (deprecated) Asset Map
[5:12:39 PM] <END> Building (deprecated) Asset Map (153ms)
[5:12:40 PM] <END> Building Haste Map (746ms)
[5:12:40 PM] <END> Building Dependency Graph (10804ms)