Katalon does not stop its execution in case it fails to send API request in Command Mode

First of all ,Katalon Studio v5.4.1 do not accept proxy when executing in command mode. Now due to this, when it is unable to send the Api request and keeps checking request object .
The execution of the suite continued for approx 20 minutes, which is not desirable.Kindly take a look at this.

Can I see your used command line? You need to pass proxy options into your command line to accept proxy: