DEBUG=* not wotking

[sm2017]

By running DEBUG=* yarn run start I have the following error

[egg-scripts] Got error when startup: 
[egg-scripts] Tue, 23 Nov 2021 08:32:10 GMT detect-port detect free port between [0, 10)
[egg-scripts] Tue, 23 Nov 2021 08:32:10 GMT detect-port get free null:44708

[egg-bot]

Hello @sm2017. Please provide a reproducible example following the instruction.

Issues labeled by Need Reproduce will be closed if no activities in 7 days.

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@sm2017，请根据这个说明提供最小可复现代码。

如果在 7 天内没有进展会被自动关闭。