diff --git a/multimedia/av_codec/codec_base/libnative_media_codecbase.ndk.json b/multimedia/av_codec/codec_base/libnative_media_codecbase.ndk.json
index 5da23bba59a24e8a472940a550bea99942e1d151..946e552c55d550b9b53a18807f1ea82298ccee02 100644
--- a/multimedia/av_codec/codec_base/libnative_media_codecbase.ndk.json
+++ b/multimedia/av_codec/codec_base/libnative_media_codecbase.ndk.json
@@ -79,6 +79,10 @@
         "first_introduced": "18",
         "name": "OH_AVCODEC_MIMETYPE_AUDIO_RAW"
     },
+    {
+        "first_introduced": "20",
+        "name": "OH_AVCODEC_MIMETYPE_AUDIO_G711A"
+    },
     {
         "first_introduced": "17",
         "name": "OH_AVCODEC_MIMETYPE_VIDEO_MPEG2"
diff --git a/multimedia/av_codec/native_avcodec_base.h b/multimedia/av_codec/native_avcodec_base.h
index 705b0d651d53c8ce94987ad8876f725ebb211faf..b5cc63da1cfbe1bb14db1d94e9cee3c26e40cced 100644
--- a/multimedia/av_codec/native_avcodec_base.h
+++ b/multimedia/av_codec/native_avcodec_base.h
@@ -362,6 +362,15 @@ extern const char *OH_AVCODEC_MIMETYPE_SUBTITLE_WEBVTT;
  * @since 18
  */
 extern const char *OH_AVCODEC_MIMETYPE_AUDIO_RAW;
+
+/**
+ * @brief Enumerates the mime types of audio G711 A-law codec.
+ *
+ * @syscap SystemCapability.Multimedia.Media.CodecBase
+ * @since 20
+ */
+extern const char *OH_AVCODEC_MIMETYPE_AUDIO_G711A;
+
 /**
  * @brief Enumerates the MIME type of video mpeg2 codec.
  *