diff --git a/dtmsvr/config/config.go b/dtmsvr/config/config.go
index 80acd60..0f3ce54 100644
--- a/dtmsvr/config/config.go
+++ b/dtmsvr/config/config.go
@@ -10,11 +10,16 @@ import (
 )
 
 const (
+	// DtmMetricsPort is metric port
 	DtmMetricsPort = 8889
-	Mysql          = "mysql"
-	Redis          = "redis"
-	BoltDb         = "boltdb"
-	Postgres       = "postgres"
+	// Mysql is mysql driver
+	Mysql = "mysql"
+	// Redis is redis driver
+	Redis = "redis"
+	// BoltDb is boltdb driver
+	BoltDb = "boltdb"
+	// Postgres is postgres driver
+	Postgres = "postgres"
 )
 
 // MicroService config type for micro service
@@ -24,6 +29,7 @@ type MicroService struct {
 	EndPoint string `yaml:"EndPoint"`
 }
 
+// Store defines storage relevant info
 type Store struct {
 	Driver             string `yaml:"Driver" default:"boltdb"`
 	Host               string `yaml:"Host"`
@@ -39,10 +45,12 @@ type Store struct {
 	TransBranchOpTable string `yaml:"BranchTransOpTable" default:"dtm.trans_branch_op"`
 }
 
+// IsDB checks config driver is mysql or postgres
 func (s *Store) IsDB() bool {
 	return s.Driver == dtmcli.DBTypeMysql || s.Driver == dtmcli.DBTypePostgres
 }
 
+// GetDBConf returns db conf info
 func (s *Store) GetDBConf() dtmcli.DBConf {
 	return dtmcli.DBConf{
 		Driver:   s.Driver,
@@ -58,7 +66,7 @@ type configType struct {
 	TransCronInterval int64        `yaml:"TransCronInterval" default:"3"`
 	TimeoutToFail     int64        `yaml:"TimeoutToFail" default:"35"`
 	RetryInterval     int64        `yaml:"RetryInterval" default:"10"`
-	HttpPort          int64        `yaml:"HttpPort" default:"36789"`
+	HTTPPort          int64        `yaml:"HTTPPort" default:"36789"`
 	GrpcPort          int64        `yaml:"GrpcPort" default:"36790"`
 	MicroService      MicroService `yaml:"MicroService"`
 	UpdateBranchSync  int64        `yaml:"UpdateBranchSync"`
diff --git a/dtmsvr/svr.go b/dtmsvr/svr.go
index 7f141df..f6569fc 100644
--- a/dtmsvr/svr.go
+++ b/dtmsvr/svr.go
@@ -26,9 +26,9 @@ func StartSvr() {
 	app := dtmutil.GetGinApp()
 	app = httpMetrics(app)
 	addRoute(app)
-	logger.Infof("dtmsvr listen at: %d", conf.HttpPort)
+	logger.Infof("dtmsvr listen at: %d", conf.HTTPPort)
 	go func() {
-		err := app.Run(fmt.Sprintf(":%d", conf.HttpPort))
+		err := app.Run(fmt.Sprintf(":%d", conf.HTTPPort))
 		if err != nil {
 			logger.Errorf("start server err: %v", err)
 		}