是不是不支持并发？

[tiger822]

Feature request type

sample request

Is your feature request related to a problem? Please describe

我用的是多个PaddleOcrAll一起跑，就出这个了。

Describe the solution you'd like

如果可以的话，支持并发是最好不过了。

Describe alternatives you've considered

No response

Additional context

No response