diff --git a/gdxsv/lbs.go b/gdxsv/lbs.go
index 52285be..ce0c85f 100644
--- a/gdxsv/lbs.go
+++ b/gdxsv/lbs.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net"
+	"strings"
 	"sync"
 	"time"
 
@@ -114,6 +115,17 @@ func (lbs *Lbs) NewPeer(conn *net.TCPConn) *LbsPeer {
 	}
 }
 
+func (lbs *Lbs) FindMcs(region string) *McsStatus {
+	for _, mcs := range lbs.mcs {
+		if strings.HasPrefix(mcs.Region, region) &&
+			mcs.PublicAddr != "" &&
+			time.Since(mcs.Updated).Seconds() <= 10 {
+			return mcs
+		}
+	}
+	return nil
+}
+
 func (lbs *Lbs) FindPeer(userID string) *LbsPeer {
 	p, ok := lbs.users[userID]
 	if !ok {
diff --git a/gdxsv/lbs_lobby.go b/gdxsv/lbs_lobby.go
index 0781d5f..2eb6330 100644
--- a/gdxsv/lbs_lobby.go
+++ b/gdxsv/lbs_lobby.go
@@ -2,9 +2,6 @@ package main
 
 import (
 	"fmt"
-	"time"
-
-	"github.com/golang/glog"
 )
 
 type LbsLobby struct {
@@ -220,16 +217,12 @@ func (l *LbsLobby) CheckLobbyBattleStart() {
 	}
 
 	mcsAddr := conf.BattlePublicAddr
-
 	if McsFuncEnabled() && l.McsRegion != "" {
-		stat, ok := l.app.mcs[l.McsRegion]
-		if !ok {
+		stat := l.app.FindMcs(l.McsRegion)
+		if stat == nil {
 			GoMcsFuncAlloc(l.McsRegion)
 			return
 		}
-		if stat.PublicAddr != "" && 10 <= time.Since(stat.Updated).Seconds() {
-			return
-		}
 		mcsAddr = stat.PublicAddr
 	}
 
@@ -306,20 +299,11 @@ func (l *LbsLobby) CheckRoomBattleStart() {
 
 	mcsAddr := conf.BattlePublicAddr
 	if McsFuncEnabled() && l.McsRegion != "" {
-		stat, ok := l.app.mcs[l.McsRegion]
-		if !ok {
-			glog.Info("mcs not found. request alloc", l.McsRegion)
+		stat := l.app.FindMcs(l.McsRegion)
+		if stat == nil {
 			GoMcsFuncAlloc(l.McsRegion)
 			return
 		}
-		if 10 <= time.Since(stat.Updated).Seconds() {
-			glog.Info("the mcs is too old.", stat)
-			return
-		}
-		if stat.PublicAddr == "" {
-			glog.Info("the mcs does not have public addr.", stat)
-			return
-		}
 		mcsAddr = stat.PublicAddr
 	}