diff --git a/db/db.go b/db/db.go
index 91edc796d..fb05dc5ec 100644
--- a/db/db.go
+++ b/db/db.go
@@ -145,16 +145,14 @@ func CreateManager(config config.Config) (err error) {
 		return fmt.Errorf("DB drivers: %s not supported", config.DBType)
 	}
 
-	var tryTime time.Duration
 	for {
-		tryTime++
 		defaultManager, err = mysql.CreateManager(config)
 		if err == nil {
 			logrus.Infof("db manager is ready")
 			break
 		}
-		logrus.Errorf("get db manager failed, try time is %v,%s", tryTime, err.Error())
-		time.Sleep((5 + tryTime*10) * time.Second)
+		logrus.Errorf("get db manager failed, try time is %d,%s", 10, err.Error())
+		time.Sleep(10 * time.Second)
 	}
 	//TODO:etcd db plugin
 	//defaultManager, err = etcd.CreateManager(config)
diff --git a/util/etcd/client.go b/util/etcd/client.go
index 2f9444a09..fc2dfb4d3 100644
--- a/util/etcd/client.go
+++ b/util/etcd/client.go
@@ -115,19 +115,16 @@ func NewClient(ctx context.Context, clientArgs *ClientArgs) (*v3.Client, error)
 		}
 		config.TLS = tlsConfig
 	}
-	var tryTime time.Duration
-	tryTime = 0
 	var etcdClient *v3.Client
 	var err error
 	for {
-		tryTime++
 		etcdClient, err = clientv3.New(config)
 		if err == nil {
 			logrus.Infof("etcd.v3 client is ready")
 			return etcdClient, nil
 		}
-		logrus.Errorf("create etcd.v3 client failed, try time is %v,%s", tryTime, err.Error())
-		time.Sleep((5 + tryTime*10) * time.Second)
+		logrus.Errorf("create etcd.v3 client failed, try time is %d,%s", 10, err.Error())
+		time.Sleep(10 * time.Second)
 	}
 	return nil, err
 }