diff --git a/db/db.go b/db/db.go
index 00a95ca..7db6abc 100644
--- a/db/db.go
+++ b/db/db.go
@@ -56,7 +56,7 @@ func (dbc *DbConfig) GetSqlConfig(passwdGet ...PasswordDecode) *mysql.Config {
 	return nil
 }
 
-func (dbc *DbConfig) NewDbConfig(host string, dbname string, user string, passwd string, port int) *DbConfig {
+func NewDbConfig(host string, dbname string, user string, passwd string, port int) *DbConfig {
 	return &DbConfig{host, dbname, user, passwd, port}
 }