fix minor unreachable code caused by log.Fatal

[Abirdcfly]

Signed-off-by: Abirdcfly fp544037857@gmail.com

see https://go.dev/play/p/9LyttbdJpv7 for example:

package main

import "log"

func main() {
	log.Fatalf("this line will print and exit")
	log.Fatalf("this line can't print")
}

/* output:
2009/11/10 23:00:00 this line will print and exit

Program exited.
*/

[stale]

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