diff --git a/rule/proxy.go b/rule/proxy.go
index 05e0b53..0d97124 100644
--- a/rule/proxy.go
+++ b/rule/proxy.go
@@ -135,15 +135,17 @@ func (p *Proxy) findDialer(network string, dstAddr string) *FwdrGroup {
 				case "tport":
 					matched = m.Matcher.Match(port)
 				case "network":
-					if network == "tcp" {
+					if strings.HasPrefix(network, "tcp") {
 						matched = m.Matcher.Match(matcher.TCP)
-					} else if network == "udp" {
+					} else if strings.HasPrefix(network, "udp") {
 						matched = m.Matcher.Match(matcher.UDP)
 					}
 				case "sport", "sip":
 					// TODO: UNSUPPORTED
 				case "app":
 					// TODO: UNSUPPORTED
+					// NOTE: should get the inbound conn,
+					// and there would be a break change for current code structure.
 				}
 				if matched {
 					break
diff --git a/rule/routingA.go b/rule/routingA.go
index ddd0d5f..1260624 100644
--- a/rule/routingA.go
+++ b/rule/routingA.go
@@ -24,7 +24,7 @@ const (
 
 type RoutingA struct {
 	DefaultOut     string
-	DomainStrategy DomainStrategy // FIXME: not valid
+	DomainStrategy DomainStrategy // TODO: not valid. there would be some changes for current code structure
 	Rules          []RoutingRule
 }