diff --git a/conf/node.go b/conf/node.go
index aa00ddd..2ca8708 100644
--- a/conf/node.go
+++ b/conf/node.go
@@ -23,16 +23,6 @@ type ApiConfig struct {
 	RuleListPath string `json:"RuleListPath"`
 }
 
-type Options struct {
-	Core        string       `json:"Core"`
-	ListenIP    string       `json:"ListenIP"`
-	SendIP      string       `json:"SendIP"`
-	LimitConfig LimitConfig  `json:"LimitConfig"`
-	XrayOptions *XrayOptions `json:"XrayOptions"`
-	SingOptions *SingOptions `json:"SingOptions"`
-	CertConfig  *CertConfig  `json:"CertConfig"`
-}
-
 func (n *NodeConfig) UnmarshalJSON(data []byte) (err error) {
 	r := rawNodeConfig{}
 	err = json.Unmarshal(data, &r)
@@ -46,6 +36,7 @@ func (n *NodeConfig) UnmarshalJSON(data []byte) (err error) {
 		}
 	} else {
 		n.ApiConfig = ApiConfig{
+			APIHost: "http://127.0.0.1",
 			Timeout: 30,
 		}
 		err = json.Unmarshal(data, &n.ApiConfig)
@@ -61,7 +52,6 @@ func (n *NodeConfig) UnmarshalJSON(data []byte) (err error) {
 		}
 	} else {
 		n.Options = Options{
-			Core:     "xray",
 			ListenIP: "0.0.0.0",
 			SendIP:   "0.0.0.0",
 		}
@@ -70,13 +60,35 @@ func (n *NodeConfig) UnmarshalJSON(data []byte) (err error) {
 			return
 		}
 	}
-	switch n.Options.Core {
-	case "xray":
-		n.Options.XrayOptions = NewXrayOptions()
-		return json.Unmarshal(data, n.Options.XrayOptions)
-	case "sing":
-		n.Options.SingOptions = NewSingOptions()
-		return json.Unmarshal(data, n.Options.SingOptions)
-	}
 	return
 }
+
+type Options struct {
+	Core        string          `json:"Core"`
+	ListenIP    string          `json:"ListenIP"`
+	SendIP      string          `json:"SendIP"`
+	LimitConfig LimitConfig     `json:"LimitConfig"`
+	RawOptions  json.RawMessage `json:"RawOptions"`
+	XrayOptions *XrayOptions    `json:"XrayOptions"`
+	SingOptions *SingOptions    `json:"SingOptions"`
+	CertConfig  *CertConfig     `json:"CertConfig"`
+}
+
+func (o *Options) UnmarshalJSON(data []byte) error {
+	type opt Options
+	err := json.Unmarshal(data, (*opt)(o))
+	if err != nil {
+		return err
+	}
+	switch o.Core {
+	case "xray":
+		o.XrayOptions = NewXrayOptions()
+		return json.Unmarshal(data, o.XrayOptions)
+	case "sing":
+		o.SingOptions = NewSingOptions()
+		return json.Unmarshal(data, o.SingOptions)
+	default:
+		o.RawOptions = data
+	}
+	return nil
+}
diff --git a/core/selector.go b/core/selector.go
index ebc0bad..f72aded 100644
--- a/core/selector.go
+++ b/core/selector.go
@@ -2,6 +2,7 @@ package core
 
 import (
 	"errors"
+	"fmt"
 	"sync"
 
 	"github.com/InazumaV/V2bX/api/panel"
@@ -40,11 +41,19 @@ func isSupported(protocol string, protocols []string) bool {
 }
 
 func (s *Selector) AddNode(tag string, info *panel.NodeInfo, option *conf.Options) error {
-	for i := range s.cores {
-		if option.Core != s.cores[i].Type() {
+	for i, c := range s.cores {
+		if len(option.Core) == 0 {
+			if isSupported(info.Type, c.Protocols()) {
+				option.Core = c.Type()
+				err := option.UnmarshalJSON(option.RawOptions)
+				if err != nil {
+					return fmt.Errorf("unmarshal option error: %s", err)
+				}
+			}
+		} else if option.Core != c.Type() {
 			continue
 		}
-		err := s.cores[i].AddNode(tag, info, option)
+		err := c.AddNode(tag, info, option)
 		if err != nil {
 			return err
 		}
diff --git a/go.mod b/go.mod
index ae38f38..b9a48b0 100644
--- a/go.mod
+++ b/go.mod
@@ -2,8 +2,6 @@ module github.com/InazumaV/V2bX
 
 go 1.21
 
-toolchain go1.21.0
-
 require (
 	github.com/beevik/ntp v1.2.0
 	github.com/dustin/go-humanize v1.0.1