如何迁移已上传的数据到新安装的qanything中？

[honins]

Please Describe The Problem To Be Solved 原先安装过qanything，上传了1000多个文件，现在新安装了一个qanything，如何把之前的数据迁移到新的环境里来？

(Optional): Suggest A Solution (Replace This Text: A concise description of your preferred solution. Things to address include:

• Details of the technical implementation
• Tradeoffs made in design decisions
• Caveats and considerations for the future

If there are multiple solutions, please present each one separately. Save comparisons for the very end.)