diff --git a/conf/cert.go b/conf/cert.go
index 1f289dc..23c2c96 100644
--- a/conf/cert.go
+++ b/conf/cert.go
@@ -10,3 +10,9 @@ type CertConfig struct {
 	Email            string            `json:"Email"`
 	DNSEnv           map[string]string `json:"DNSEnv"`
 }
+
+func NewCertConfig() *CertConfig {
+	return &CertConfig{
+		CertMode: "none",
+	}
+}
diff --git a/conf/node.go b/conf/node.go
index 393849b..e0cd704 100644
--- a/conf/node.go
+++ b/conf/node.go
@@ -29,31 +29,33 @@ func (n *NodeConfig) UnmarshalJSON(data []byte) (err error) {
 	if err != nil {
 		return err
 	}
+	n.ApiConfig = ApiConfig{
+		APIHost: "http://127.0.0.1",
+		Timeout: 30,
+	}
 	if len(r.ApiRaw) > 0 {
 		err = json.Unmarshal(r.ApiRaw, &n.ApiConfig)
 		if err != nil {
 			return
 		}
 	} else {
-		n.ApiConfig = ApiConfig{
-			APIHost: "http://127.0.0.1",
-			Timeout: 30,
-		}
 		err = json.Unmarshal(data, &n.ApiConfig)
 		if err != nil {
 			return
 		}
 	}
+
+	n.Options = Options{
+		ListenIP:   "0.0.0.0",
+		SendIP:     "0.0.0.0",
+		CertConfig: NewCertConfig(),
+	}
 	if len(r.OptRaw) > 0 {
 		err = json.Unmarshal(r.OptRaw, &n.Options)
 		if err != nil {
 			return
 		}
 	} else {
-		n.Options = Options{
-			ListenIP: "0.0.0.0",
-			SendIP:   "0.0.0.0",
-		}
 		err = json.Unmarshal(data, &n.Options)
 		if err != nil {
 			return