diff --git a/api/@ohos.multimedia.media.d.ts b/api/@ohos.multimedia.media.d.ts
index dbbc24af82ad0c86cecbbc4815a38ac491f21edd..91ba9e97eebafea688e0b59cd17728fe46cd3d94 100755
--- a/api/@ohos.multimedia.media.d.ts
+++ b/api/@ohos.multimedia.media.d.ts
@@ -1153,6 +1153,15 @@ declare namespace media {
      * @since 12
      */
     customInfo?: Record<string, string>;
+
+    /**
+     * Tracks info of the media asset. This parameter is read-only in the current version.
+     * @type { ?Array<MediaDescription> }
+     * @syscap SystemCapability.Multimedia.Media.AVMetadataExtractor
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    tracks?: Array<MediaDescription>;
   }
 
   /**
@@ -7728,6 +7737,14 @@ declare namespace media {
    * @since 12
    */
   enum MediaType {
+    /**
+     * Track is unsupported.
+     * @syscap SystemCapability.Multimedia.Media.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    MEDIA_TYPE_UNSUPPORT = -1,
     /**
      * track is audio.
      * @syscap SystemCapability.Multimedia.Media.Core
@@ -7773,6 +7790,38 @@ declare namespace media {
      * @since 12
      */
     MEDIA_TYPE_SUBTITLE = 2,
+    /**
+     * Track is attachmemt.
+     * @syscap SystemCapability.Multimedia.Media.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    MEDIA_TYPE_ATTACHMENT = 3,
+    /**
+     * Track is data.
+     * @syscap SystemCapability.Multimedia.Media.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    MEDIA_TYPE_DATA = 4,
+    /**
+     * Track is timed metadata.
+     * @syscap SystemCapability.Multimedia.Media.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    MEDIA_TYPE_TIMED_METADATA = 5,
+    /**
+     * Track is auxiliary.
+     * @syscap SystemCapability.Multimedia.Media.Core
+     * @atomicservice
+     * @since 20
+     * @arkts 1.1&1.2
+     */
+    MEDIA_TYPE_AUXILIARY = 6,
   }
 
   /**