shutdown config [internal-signal] value [false] not used

[keithlovingcats]

What happened:

What you expected to happen: value should be false How to reproduce it (as minimally and precisely as possible): config [shutdown.internal-signal] to false Anything else we need to know?: nothing

[AlexStocks]

@zhaoyunxing92 pls follow this issue and give a solution. thank you.