diff --git a/configure/liveconfig.go b/configure/liveconfig.go
index dd6b13b..945b903 100644
--- a/configure/liveconfig.go
+++ b/configure/liveconfig.go
@@ -65,7 +65,7 @@ var defaultConf = ServerCfg{
 	WriteTimeout: 10,
 	ReadTimeout:  10,
 	GopNum:       1,
-	Server: []Application{{
+	Server: Applications{{
 		Appname:    "live",
 		Live:       true,
 		Hls:        true,
@@ -82,13 +82,15 @@ func initLog() {
 	}
 }
 
-func LoadConfig() {
+func init() {
 	defer Init()
 
 	// Default config
 	b, _ := json.Marshal(defaultConf)
 	defaultConfig := bytes.NewReader(b)
-	Config.MergeConfig(defaultConfig)
+	viper.SetConfigType("json")
+	viper.ReadConfig(defaultConfig)
+	Config.MergeConfigMap(viper.AllSettings())
 
 	// Flags
 	pflag.String("rtmp_addr", ":1935", "RTMP server listen address")
@@ -112,6 +114,8 @@ func LoadConfig() {
 	if err != nil {
 		log.Warning(err)
 		log.Info("Using default config")
+	} else {
+		Config.MergeInConfig()
 	}
 
 	// Environment
@@ -123,6 +127,7 @@ func LoadConfig() {
 	// Log
 	initLog()
 
+	// Print final config
 	c := ServerCfg{}
 	Config.Unmarshal(&c)
 	log.Debugf("Current configurations: \n%# v", pretty.Formatter(c))
diff --git a/main.go b/main.go
index e3a7cb2..32a9f2d 100755
--- a/main.go
+++ b/main.go
@@ -125,8 +125,6 @@ func main() {
 		}
 	}()
 
-	configure.LoadConfig()
-
 	log.Infof(`
      _     _            ____       
     | |   (_)_   _____ / ___| ___