diff --git a/dip.go b/dip.go
index c7277ba..63afa16 100644
--- a/dip.go
+++ b/dip.go
@@ -87,6 +87,7 @@ func (group *DIPGroup) Choose(addr string) {
 				group.Current.ActiveTime = now
 				// log.Println("new set addr:", group.Current.Host, "restartAddr:", restartAddr, "resp", resp.Content())
 				SetAddrForward(group.IPTableNum, addr, ip)
+
 			}
 		}
 
diff --git a/switch.go b/switch.go
index d169b7c..7fc7175 100644
--- a/switch.go
+++ b/switch.go
@@ -26,7 +26,7 @@ type Switch struct {
 func SetAddrForward(num, addr, ip string) {
 	port := strings.Split(addr, ":")[1]
 	cmd := exec.Command("/bin/sh", "-c", "sudo iptables -t nat -R IPSWITCH "+num+" -p tcp --dport "+port+" -j DNAT --to "+ip+":8885")
-	err := cmd.Run()
+	_, err := cmd.Output()
 	if err != nil {
 		panic(err)
 	}
@@ -54,14 +54,14 @@ func (swi *Switch) Run(addr string, ipregion string) {
 	swi.ipregion = regexp.MustCompile(ipregion)
 
 	cmd := exec.Command("/bin/sh", "-c", "sudo iptables -t nat -N IPSWITCH")
-	cmd.Run()
+	cmd.Output()
 
 	cmd = exec.Command("/bin/sh", "-c", "sudo iptables -t nat -F IPSWITCH")
-	cmd.Run()
+	cmd.Output()
 
 	for range swi.Worker.ForLoop {
 		cmd := exec.Command("/bin/sh", "-c", "sudo iptables -t nat -A IPSWITCH  -p icmp -s 1.1.1.1  -j DNAT --to 1.1.1.1:8885")
-		err := cmd.Run()
+		_, err := cmd.Output()
 		if err != nil {
 			panic(err)
 		}
@@ -93,7 +93,7 @@ func (swi *Switch) checkInReady(ip string, now int64) {
 		dipg.Group[ip].ActiveTime = now
 
 		if dh, ok := dipg.Waitor[ip]; ok {
-			if dh.OverTime(now, 12) > 0 {
+			if dh.OverTime(now, 20) > 0 {
 				delete(dipg.Waitor, ip)
 			} else {
 				return