update zh-cn/application-dev/media/video-playback.md.

Signed-off-by: N葛亚芳 <geyafang@huawei.com>

zh-cn/application-dev/media/video-playback.md

@@ -451,5 +451,5 @@ export class VideoPlayerDemo {
 ## 相关实例
 针对视频播放开发，有以下相关实例可供参考：
 
-- [`VideoPlayer:`视频播放（eTS）（API9）（Full SDK）](https://gitee.com/openharmony/applications_app_samples/tree/master/media/VideoPlayer)
-- [视频播放器（eTS）（API 9）](https://gitee.com/openharmony/codelabs/tree/master/Media/VideoPlayerStage)
\ No newline at end of file
+- [`VideoPlayer:`视频播放（ArkTS）（API9）（Full SDK）](https://gitee.com/openharmony/applications_app_samples/tree/master/media/VideoPlayer)
+- [视频播放器（ArkTS）（API 9）](https://gitee.com/openharmony/codelabs/tree/master/Media/VideoPlayerStage)
\ No newline at end of file