使用例子里的payloads_download_sample 下载镜头（H20T）照片，提示错误：File list...

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使用例子里的payloads_download_sample 下载镜头（H20T）照片，提示错误：File list total data Len error !。这个例子是否可以下载H20T里的视频和照片？是否有方法可以下载镜头SD卡里的照片和视频？
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  • DJI Developer Support
    OSDK 4.1的github上已经修了这个问题，可以更新一下或者参考将长度校验部分去掉。 ![](https://djisdksupport.zendesk.com/attachments/token/NXl4jPpqP6C0mq6rAOlEs6iTr/?name=image.png)
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  • DJI Developer Support
    使用4.1版本OSDK提示 download monitor task timeout!! device type : 1 index: 0。尝试多次任然无法拉到文件列表。ret = 255
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  • DJI Developer Support
    麻烦提供一下sample运行的完整log，方便查看。另SD卡中照片大概有多少张？目前有发现，SD卡中照片较多时，可能会出现超时的现象。
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  • DJI Developer Support
    [4135094.913]STATUS/1 @ main, L85: Play back mode setting...... [4135094.913]STATUS/1 @ main, L89: Get liveview right...... [4135094.916]STATUS/1 @ printErrorCodeMsg, L936: Execute successfully. [4135094.916]STATUS/1 @ main, L93: Try to download file list ....... [4135094.983]STATUS/1 @ fileListMonitorTask, L137: OSDK download monitor task created. [4135096.992]STATUS/1 @ printErrorCodeMsg, L936: Execute successfully. [4135096.992]STATUS/1 @ main, L146: Sample end ... [4135097.385]STATUS/1 @ OnReceiveDataPack, L907: [First pack] get the first pack | [a] Download main camera filelist | | [b] Download main camera filedata from case a | | [q] Quit | [4135105.525]STATUS/1 @ fileListMonitorTask, L153: curTimeMs:4135105525 refreshTimeMs:4135099516 [4135105.525]ERRORLOG/1 @ fileListMonitorTask, L154: downloadMonitorTask timeout!! device type : 1 index: 0 [4135105.525]STATUS/1 @ SendAbortPack, L957: SendAbortPack [4135105.526]STATUS/1 @ fileListReqCB, L34: ##[Download main camera file list] : ret = 255 [4135105.526]STATUS/1 @ fileListMonitorTask, L164: Finish req filelist task cause of timeout, reset downloadState to be DOWNLOAD_IDLE 大概有68G的照片视频。是不是太多了？
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  • DJI Developer Support
    您这个SD卡文件可能有点多了，目前OSDK下载无法选择性下载SD卡中文件，我们已经发现文件超过400张时就会概率性出现下载超时，再增加文件会增大异常的概率。这个我们已经反馈了，当前建议如果需要使用OSDK下载功能，建议不要超过400个文件。
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