diff --git a/pkg/hostman/guestman/guestman.go b/pkg/hostman/guestman/guestman.go
index ab47dc5288..b676eea5a4 100644
--- a/pkg/hostman/guestman/guestman.go
+++ b/pkg/hostman/guestman/guestman.go
@@ -1204,7 +1204,8 @@ func (m *SGuestManager) GetFreeVncPort() int {
 	for {
 		if _, ok := vncPorts[port]; ok ||
 			netutils2.IsTcpPortUsed("0.0.0.0", VNC_PORT_BASE+port) ||
-			netutils2.IsTcpPortUsed("127.0.0.1", MONITOR_PORT_BASE+port) {
+			netutils2.IsTcpPortUsed("127.0.0.1", MONITOR_PORT_BASE+port) ||
+			netutils2.IsTcpPortUsed("127.0.0.1", QMP_MONITOR_PORT_BASE+port) {
 			port += 1
 		} else {
 			if !m.checkAndSetPort(port) {
diff --git a/pkg/hostman/guestman/qemu-kvm.go b/pkg/hostman/guestman/qemu-kvm.go
index 5b71a0f4ff..95bb8aee9d 100644
--- a/pkg/hostman/guestman/qemu-kvm.go
+++ b/pkg/hostman/guestman/qemu-kvm.go
@@ -80,6 +80,7 @@ import (
 const (
 	STATE_FILE_PREFIX             = "STATEFILE"
 	MONITOR_PORT_BASE             = 55900
+	QMP_MONITOR_PORT_BASE         = 56100
 	LIVE_MIGRATE_PORT_BASE        = 4396
 	BUILT_IN_NBD_SERVER_PORT_BASE = 7777
 	MAX_TRY                       = 3
@@ -1545,7 +1546,7 @@ func (s *SKVMGuestInstance) GetQmpMonitorPort(vncPort int) int {
 		vncPort = s.GetVncPort()
 	}
 	if vncPort > 0 {
-		return vncPort + MONITOR_PORT_BASE + 200
+		return vncPort + QMP_MONITOR_PORT_BASE
 	} else {
 		return -1
 	}