[TiDB Usage Environment] Testing
[TiDB Version] 6.4.0
[Reproduction Path] Operations performed that led to the issue: tiup playground --host 0.0.0.0
[Encountered Issue: Issue Phenomenon and Impact]
[Resource Configuration]
[Attachment: Screenshot/Log/Monitoring]
It seems to be related to the network proxy. When I disable the network proxy, TiDB can start, but TiFlash, which needs to download things from the internet, cannot be downloaded.