diff --git a/dtmcli/logger/log.go b/dtmcli/logger/log.go
index 7d3650a..81466b3 100644
--- a/dtmcli/logger/log.go
+++ b/dtmcli/logger/log.go
@@ -8,13 +8,27 @@ import (
 	"go.uber.org/zap/zapcore"
 )
 
-var logger *zap.SugaredLogger = nil
+//var logger *zap.SugaredLogger = nil
+
+var logger Logger = nil
 
 func init() {
 	InitLog("info")
 }
 
-// InitLog is a initialization for a logger
+// Logger logger interface
+type Logger interface {
+	Debugf(format string, args ...interface{})
+	Infof(format string, args ...interface{})
+	Warnf(format string, args ...interface{})
+	Errorf(format string, args ...interface{})
+}
+
+func WithLogger(log Logger) {
+	logger = log
+}
+
+// InitLog is an initialization for a logger
 // level can be: debug info warn error
 func InitLog(level string) {
 	config := zap.NewProductionConfig()
diff --git a/dtmcli/logger/logger_test.go b/dtmcli/logger/logger_test.go
index 669a39f..08f8b04 100644
--- a/dtmcli/logger/logger_test.go
+++ b/dtmcli/logger/logger_test.go
@@ -1,6 +1,7 @@
 package logger
 
 import (
+	"go.uber.org/zap"
 	"os"
 	"testing"
 )
@@ -15,3 +16,14 @@ func TestInitLog(t *testing.T) {
 	FatalfIf(false, "nothing")
 	FatalIfError(nil)
 }
+
+func TestWithLogger(t *testing.T) {
+	logger := zap.NewExample().Sugar()
+	WithLogger(logger)
+	Debugf("a debug msg")
+	Infof("a info msg")
+	Warnf("a warn msg")
+	Errorf("a error msg")
+	FatalfIf(false, "nothing")
+	FatalIfError(nil)
+}
\ No newline at end of file
diff --git a/dtmsvr/config/config.go b/dtmsvr/config/config.go
index 5aad90f..80acd60 100644
--- a/dtmsvr/config/config.go
+++ b/dtmsvr/config/config.go
@@ -14,6 +14,7 @@ const (
 	Mysql          = "mysql"
 	Redis          = "redis"
 	BoltDb         = "boltdb"
+	Postgres       = "postgres"
 )
 
 // MicroService config type for micro service
diff --git a/dtmsvr/config/config_utils.go b/dtmsvr/config/config_utils.go
index e5b1785..3d37b0c 100644
--- a/dtmsvr/config/config_utils.go
+++ b/dtmsvr/config/config_utils.go
@@ -65,7 +65,7 @@ func checkConfig(conf *configType) error {
 	switch conf.Store.Driver {
 	case BoltDb:
 		return nil
-	case Mysql:
+	case Mysql, Postgres:
 		if conf.Store.Host == "" {
 			return errors.New("Db host not valid ")
 		}
diff --git a/go.sum b/go.sum
index d37ef25..d67335c 100644
--- a/go.sum
+++ b/go.sum
@@ -476,6 +476,7 @@ github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPx
 github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
+github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
diff --git a/test/store_test.go b/test/store_test.go
index 486b807..c2413f7 100644
--- a/test/store_test.go
+++ b/test/store_test.go
@@ -92,7 +92,7 @@ func TestStoreWait(t *testing.T) {
 	registry.WaitStoreUp()
 }
 
-func TestUpdateBranchSql(t *testing.T) {
+func TestUpdateBranches(t *testing.T) {
 	if !conf.Store.IsDB() {
 		_, err := registry.GetStore().UpdateBranches(nil, nil)
 		assert.Nil(t, err)