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 ## Introduction<a name="section11660541593"></a>
 
-ets_frontend is a front-end tool in the ARK Runtime Subsystem. It converts JavaScript(JS) files into ARK bytecode files.
+ets_frontend is a front-end tool in the ARK Runtime Subsystem. Combined with the ace-ets2bundle component, it supports converting ETS files into ARK bytecode files.
 
 For more information, see: [ARK Runtime Subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/ARK-Runtime-Subsystem.md).
 
diff --git a/README_zh.md b/README_zh.md
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 ## 简介<a name="section11660541593"></a>
 
-ets_frontend组件是方舟运行时子系统的前端工具，支持将JavaScript文件转换为方舟字节码文件。
+ets_frontend组件是方舟运行时子系统的前端工具，结合ace-ets2bundle组件，支持将ets文件转换为方舟字节码文件。
 
 更多信息请参考：[方舟运行时子系统](https://gitee.com/openharmony/docs/blob/master/zh-cn/readme/ARK-Runtime-Subsystem-zh.md)