From 08120c6007035eb2f693573ee9ffbef70f6ea507 Mon Sep 17 00:00:00 2001
From: shuboxu <xushubo1@huawei.com>
Date: Fri, 25 Aug 2023 04:08:27 +0000
Subject: [PATCH] update zh-cn/application-dev/media/video-recording.md.

Signed-off-by: shuboxu <xushubo1@huawei.com>
---
 .../application-dev/media/video-recording.md  | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/zh-cn/application-dev/media/video-recording.md b/zh-cn/application-dev/media/video-recording.md
index 157b312af3..bc66eb34a2 100644
--- a/zh-cn/application-dev/media/video-recording.md
+++ b/zh-cn/application-dev/media/video-recording.md
@@ -63,18 +63,18 @@ AVRecorder详细的API说明请参考[AVRecorder API参考](../reference/apis/js
 
    ```ts
    class AVProfile {
-      fileFormat: media.ContainerFormatType;
-      videoBitrate: number;
-      videoCodec: media.CodecMimeType;
-      videoFrameWidth: number;
-      videoFrameHeight: number;
-      videoFrameRate: number;
+     fileFormat: media.ContainerFormatType;
+     videoBitrate: number;
+     videoCodec: media.CodecMimeType;
+     videoFrameWidth: number;
+     videoFrameHeight: number;
+     videoFrameRate: number;
    }
    class AVConfig {
-      videoSourceType: media.VideoSourceType;
-      profile: AVProfile;
-      url: string;
-      rotation: number;
+     videoSourceType: media.VideoSourceType;
+     profile: AVProfile;
+     url: string;
+     rotation: number;
    }
    let avProfile: AVProfile = {
      fileFormat : media.ContainerFormatType.CFT_MPEG_4, // 视频文件封装格式，只支持MP4
@@ -103,9 +103,9 @@ AVRecorder详细的API说明请参考[AVRecorder API参考](../reference/apis/js
      输入源模块通过SurfaceID可以获取到Surface，通过Surface可以将视频数据流传递给AVRecorder，由AVRecorder再进行视频数据的处理。
      
    ```ts
-   avRecorder.getInputSurface().then((surfaceId) => {
+   avRecorder.getInputSurface().then((surfaceId: string) => {
      console.info('avRecorder getInputSurface success')
-   }, (error) => {
+   }, (error: Error) => {
      console.error('avRecorder getInputSurface failed')
    })
    ```
-- 
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