在智能媒体服务用这个数据通过API生成视频，任务列表里提示视频合成失败是什么问题呢?

在智能媒体服务用这个数据通过API生成视频 提示提交成功 但是任务列表里提示视频合成失败是什么问题呢?f898e07e93b947409ec175d24b0d7592 {"VideoTrack":[{"VideoTrackClips":{"Type":"Image","AdaptMode":"Cover","MediaId":"2399cce0ddc271ee8d6ef6f7d6496301"}},{"VideoTrackClips":{"Type":"Image","AdaptMode":"Cover","MediaId":"23ac4370ddc271ee9473f6e6f45b6301"}},{"VideoTrackClips":{"Type":"Image","AdaptMode":"Cover","MediaId":"23b19aa0ddc271ee8e83e7f7c7486301"}}],"AudioTrack":[{"AudioTrackClips":{"MediaId":"3d3791f0ddc271ee8f71e7f6c44b6303","LoopMode":true,"Effects":[{"type":"Volume","Gain":0.5}],"MainTrack":true}}]}