您正在使用哪个运行时？

对于spine-unity运行时，这是计划中的，请参阅路线图上的此故障单：
https://github.com/EsotericSoftware/spine-runtimes/issues/1348

Which runtime are you using?

For the spine-unity runtime, this is planned, see this ticket on the roadmap:
https://github.com/EsotericSoftware/spine-runtimes/issues/1348