update

common.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"git.makemake.in/kzkzzzz/mycommon/mylog"
 	"log"
+	"math/rand/v2"
 	"net"
 	"os"
 	"runtime/debug"
@@ -26,6 +27,11 @@ func SafeGo(fn func()) {
 	}()
 }
 
+// RandRange [min, max] 左右均包含
+func RandRange(min, max int) int {
+	return rand.IntN(max+1-min) + min
+}
+
 var (
 	getIpOnce  = &sync.Once{}
 	outBoundIp = "127.0.0.1"