diff --git a/api/@ohos.multimedia.media.d.ts b/api/@ohos.multimedia.media.d.ts
index 239f644081f6b527a644a177ea4c41eb824dec54..cc3cd1e0e30d4a0f2ee9c9b0a95510d143594b2d 100755
--- a/api/@ohos.multimedia.media.d.ts
+++ b/api/@ohos.multimedia.media.d.ts
@@ -8678,6 +8678,14 @@ declare namespace media {
      * @since 18
      */
     enableStableQualityMode?: boolean
+
+    /**
+     * Indicates whether enable B Frame. Default is disabled.
+     * @type { ?boolean }
+     * @syscap SystemCapability.Multimedia.Media.AVRecorder
+     * @since 20
+     */
+    enableBFrame?: boolean
   }
 
   /**