use dj with oss and random sample filter

[hitszxs]

由于是第一次对开源项目进行pr，而且可能使用的对象存储方式不同，故可能有些地方需要修改，麻烦了！需要我再次修改的话可以联系我！

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

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[HYLcool]

嗨，感谢你的contribution！

注意到你的PR未能通过precommit测试与单测，建议你：

• 在提交前使用pre-commit工具进行预检查，可参考开发者指南中的编码规范章节
• 在该PR中的Checks tab中检查该PR单测记录中的出错原因，fix后继续提交commit

如有任何需要帮助的地方，可随时联系我们~