Scastie: how to redirect stdout of spinal.sim

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So it's really not a problem of SpinalHDL, but I think you can give me some help!

I try to run spinal with Scastie, (https://scastie.scala-lang.org) I set "fork := true" to run spinal simulation, As I can see, it build and run without any problem, but I can not see any print string... So, is there any simple way to redirect Spinal.sim to our main console?

Thanks and best regards,