diff --git a/conn.go b/conn.go
index b70bdd2..e14ac98 100644
--- a/conn.go
+++ b/conn.go
@@ -31,7 +31,7 @@ func Connect(DBHOST, DBUSER, DBPWD, DBNAME, DBPORT string, conns ...int) error {
 	const maxRetries = 10
 
 	if DBHOST == "" || DBUSER == "" || DBPWD == "" || DBPORT == "" {
-		return errors.New("dm DBconnection params errors")
+		return errors.New("mysql DBconnection params errors")
 	}
 
 	dsn := DBUSER + ":" + DBPWD + "@tcp(" + DBHOST + ":" + DBPORT + ")/" + DBNAME + "?charset=utf8mb4"
@@ -67,7 +67,7 @@ func Connect(DBHOST, DBUSER, DBPWD, DBNAME, DBPORT string, conns ...int) error {
 			DB.SetMaxIdleConns(50)
 		}
 
-		log.Println("dm database connected")
+		log.Println("mysql database connected")
 		DB.SetConnMaxLifetime(time.Minute * 2)
 		return nil
 	}
@@ -183,7 +183,7 @@ func PgConnect(DBHOST, DBUSER, DBPWD, DBNAME, DBPORT string, conns ...int) error
 	DB_PROVIDER = "PgsqlDb"
 
 	if DBHOST == "" || DBUSER == "" || DBPWD == "" || DBPORT == "" {
-		return errors.New("dm DBconnection params errors")
+		return errors.New("pgsql DBconnection params errors")
 	}
 
 	dsn := "host=" + DBHOST + " port=" + DBPORT + " user=" + DBUSER + " password=" + DBPWD + " dbname=" + DBNAME + " sslmode=disable search_path=public"
@@ -220,7 +220,7 @@ func PgConnect(DBHOST, DBUSER, DBPWD, DBNAME, DBPORT string, conns ...int) error
 			DB.SetMaxIdleConns(50)
 		}
 
-		log.Println("dm database connected")
+		log.Println("pgsql database connected")
 		DB.SetConnMaxLifetime(time.Minute * 2)
 		return nil
 	}