diff --git a/log.go b/log.go
index 6295ea9..227f510 100644
--- a/log.go
+++ b/log.go
@@ -47,7 +47,7 @@ const (
 type V8log struct {
 	loggers    map[LogLevel]*log.Logger
 	files      map[LogLevel]*os.File
-	llevel     LogLevel
+	level      LogLevel
 	stopSig    chan bool
 	logDir     string
 	mtx        *sync.Mutex
@@ -92,17 +92,10 @@ func InitLogger(path string, filePrefix string, level LogLevel, maxLogSize int64
 	return pLog
 }
 
-// UninitLogger ...
-func (vl *V8log) UninitLogger() {
-	if !vl.stoped {
-		vl.stoped = true
-		close(vl.stopSig)
-		for l := range logFileNames {
-			if l >= vl.llevel {
-				vl.files[l].Close()
-			}
-		}
-	}
+func (vl *V8log) setLevel(level LogLevel) {
+	vl.mtx.Lock()
+	defer vl.mtx.Unlock()
+	vl.level = level
 }
 
 func (vl *V8log) checkFile() {
@@ -150,7 +143,7 @@ func (vl *V8log) Printf(level LogLevel, format string, params ...interface{}) {
 	if vl.stoped {
 		return
 	}
-	if level < vl.llevel {
+	if level < vl.level {
 		return
 	}
 	pidAndLevel := []interface{}{vl.pid, loglevel[level]}
@@ -170,7 +163,7 @@ func (vl *V8log) Println(level LogLevel, params ...interface{}) {
 	if vl.stoped {
 		return
 	}
-	if level < vl.llevel {
+	if level < vl.level {
 		return
 	}
 	pidAndLevel := []interface{}{vl.pid, " ", loglevel[level], " "}
diff --git a/openp2p.go b/openp2p.go
index 5af5908..e168e36 100644
--- a/openp2p.go
+++ b/openp2p.go
@@ -13,6 +13,7 @@ func main() {
 	rand.Seed(time.Now().UnixNano())
 	binDir := filepath.Dir(os.Args[0])
 	os.Chdir(binDir) // for system service
+	gLog = InitLogger(binDir, "openp2p", LevelDEBUG, 1024*1024, LogFileAndConsole)
 	// TODO: install sub command, deamon process
 	// groups := flag.String("groups", "", "you could join in several groups. like: GroupName1:Password1;GroupName2:Password2; group name 8-31 characters")
 	if len(os.Args) > 1 {
@@ -74,7 +75,7 @@ func main() {
 	gConf.add(config)
 	gConf.load()
 	gConf.mtx.Lock()
-
+	gLog.setLevel(LogLevel(gConf.logLevel))
 	flag.Visit(func(f *flag.Flag) {
 		if f.Name == "sharebandwidth" {
 			gConf.Network.ShareBandwidth = *shareBandwidth
@@ -95,7 +96,21 @@ func main() {
 			gConf.logLevel = *logLevel
 		}
 	})
-	gLog = InitLogger(binDir, "openp2p", LogLevel(gConf.logLevel), 1024*1024, LogFileAndConsole)
+	if gConf.Network.ServerHost == "" {
+		gConf.Network.ServerHost = *serverHost
+	}
+	if gConf.Network.Node == "" {
+		gConf.Network.Node = *node
+	}
+	if gConf.Network.User == "" {
+		gConf.Network.User = *user
+	}
+	if gConf.Network.Password == "" {
+		gConf.Network.Password = *password
+	}
+	gConf.Network.ServerPort = 27182
+	gConf.Network.UDPPort1 = 27182
+	gConf.Network.UDPPort2 = 27183
 	gLog.Println(LevelINFO, "openp2p start. version: ", OpenP2PVersion)
 	gConf.mtx.Unlock()
 	gConf.save()
diff --git a/protocol.go b/protocol.go
index 6255fab..b0e46ae 100644
--- a/protocol.go
+++ b/protocol.go
@@ -10,7 +10,7 @@ import (
 	"time"
 )
 
-const OpenP2PVersion = "0.98.0"
+const OpenP2PVersion = "0.98.1"
 const ProducnName string = "openp2p"
 
 type openP2PHeader struct {