diff --git a/README.en.md b/README.en.md
index 2335c79778e8934ee8b1ae0bdf50cca511341b66..dd1b0cdbcda82d7595fc83e484ada93492781a74 100644
--- a/README.en.md
+++ b/README.en.md
@@ -19,8 +19,7 @@ This sample demonstrates video playback and recording implemented on AVCodec.
 
 | Muxing Format | Video Codec Type |
 |---------------|------------------|
-| mp4           | H.264/H.265      | AAC, MPEG (MP3)|
-| m4a           | AVC (H.264)      |
+| mp4           | H.264/H.265      |
 
 This sample supports only video recording. It does not integrate the audio capability.
 
diff --git a/README.md b/README.md
index 3187996256e17ca8fbde1002bf6f14300ba4396f..ad268f9cfb68b7989dad42304a55077b68fe62e3 100644
--- a/README.md
+++ b/README.md
@@ -16,8 +16,7 @@
 
 | 封装格式 | 视频编解码类型     | 
 |------|-------------|
-| mp4  | H.264/H.265 | AAC、MPEG（MP3） |
-| m4a  | AVC（H.264）  |
+| mp4  | H.264/H.265 |
 
 注意，本示例仅支持视频录制，未集成音频能力