diff --git a/pkg/dnsconfigs/cluster_dns_config.go b/pkg/dnsconfigs/cluster_dns_config.go
index 491dffa..c1e1066 100644
--- a/pkg/dnsconfigs/cluster_dns_config.go
+++ b/pkg/dnsconfigs/cluster_dns_config.go
@@ -10,3 +10,10 @@ type ClusterDNSConfig struct {
 	NodesAutoSync   bool `yaml:"nodesAutoSync" json:"nodesAutoSync"`     // 是否自动同步节点状态
 	ServersAutoSync bool `yaml:"serversAutoSync" json:"serversAutoSync"` // 是否自动同步服务状态
 }
+
+func DefaultClusterDNSConfig() *ClusterDNSConfig {
+	return &ClusterDNSConfig{
+		CNAMEAsDomain:    true,
+		IncludingLnNodes: true,
+	}
+}