diff --git a/constant/proxy.go b/constant/proxy.go
index 1e9baee298..327d076820 100644
--- a/constant/proxy.go
+++ b/constant/proxy.go
@@ -23,6 +23,7 @@ const (
 	TypeVLESS        = "vless"
 	TypeTUIC         = "tuic"
 	TypeHysteria2    = "hysteria2"
+	TypeCustom       = "custom"
 )
 
 const (
diff --git a/option/outbound.go b/option/outbound.go
index d2e98ce5c7..5b95cc7bfa 100644
--- a/option/outbound.go
+++ b/option/outbound.go
@@ -27,6 +27,7 @@ type _Outbound struct {
 	Hysteria2Options    Hysteria2OutboundOptions    `json:"-"`
 	SelectorOptions     SelectorOutboundOptions     `json:"-"`
 	URLTestOptions      URLTestOutboundOptions      `json:"-"`
+	CustomOptions       map[string]interface{}      `json:"-"`
 }
 
 type Outbound _Outbound
@@ -70,6 +71,8 @@ func (h *Outbound) RawOptions() (any, error) {
 		rawOptionsPtr = &h.SelectorOptions
 	case C.TypeURLTest:
 		rawOptionsPtr = &h.URLTestOptions
+	case C.TypeCustom:
+		rawOptionsPtr = &h.CustomOptions
 	case "":
 		return nil, E.New("missing outbound type")
 	default: