Getting test data

Testdata sharing
I am working and testing your example application,here is a test data download url:
[https://www.cc.gatech.edu/projects/large_models/ps.html](url)
if you are chinese netizen,you can download here:
链接：https://pan.baidu.com/s/1B6E6T2GPso0xmmPxlzQ01A
提取码：xzbd

No file, test, or entry point is named in the issue. Start by checking how the example application currently obtains test data and whether either linked download is still relevant; completion criteria are not defined by the issue.

Written by the indexing model from the issue text.