diff --git a/clients/naming_client/naming_client.go b/clients/naming_client/naming_client.go
index b61374af..b17c528a 100644
--- a/clients/naming_client/naming_client.go
+++ b/clients/naming_client/naming_client.go
@@ -67,6 +67,11 @@ func NewNamingClient(nc nacos_client.INacosClient) (*NamingClient, error) {
 	if err = initLogger(clientConfig); err != nil {
 		return naming, err
 	}
+
+	if clientConfig.NamespaceId == "" {
+		clientConfig.NamespaceId = constant.DEFAULT_NAMESPACE_ID
+	}
+
 	naming.serviceInfoHolder = naming_cache.NewServiceInfoHolder(clientConfig.NamespaceId, clientConfig.CacheDir,
 		clientConfig.UpdateCacheWhenEmpty, clientConfig.NotLoadCacheAtStart)
 
diff --git a/common/constant/const.go b/common/constant/const.go
index cd10d1e0..bd6bfa93 100644
--- a/common/constant/const.go
+++ b/common/constant/const.go
@@ -68,7 +68,7 @@ const (
 	KEY_BEAT                    = "beat"
 	KEY_DOM                     = "dom"
 	DEFAULT_CONTEXT_PATH        = "/nacos"
-	CLIENT_VERSION              = "Nacos-Go-Client:v2.1.2"
+	CLIENT_VERSION              = "Nacos-Go-Client:v2.1.3"
 	REQUEST_DOMAIN_RETRY_TIME   = 3
 	SERVICE_INFO_SPLITER        = "@@"
 	CONFIG_INFO_SPLITER         = "@@"