diff --git a/Makefile b/Makefile
index 3f42aa40..a92171c9 100644
--- a/Makefile
+++ b/Makefile
@@ -64,6 +64,7 @@ test:
 	cd test && \
 	go mod tidy && \
 	go test -v -tags "$(TAGS_TEST)" .
+
 test_stdio:
 	@go test -v ./... && \
 	cd test && \
@@ -71,7 +72,7 @@ test_stdio:
 	go test -v -tags "$(TAGS_TEST),force_stdio" .
 
 clean:
-	rm -rf bin dist
+	rm -rf bin dist sing-box
 	rm -f $(shell go env GOPATH)/sing-box
 
 update:
diff --git a/common/dialer/default.go b/common/dialer/default.go
index ebe03fa2..16a0b521 100644
--- a/common/dialer/default.go
+++ b/common/dialer/default.go
@@ -146,7 +146,7 @@ func (d *DefaultDialer) DialContext(ctx context.Context, network string, address
 	case N.NetworkUDP:
 		return d.udpDialer.DialContext(ctx, network, address.String())
 	}
-	return d.dialer.DialContext(ctx, network, address.Unwrap().String())
+	return d.dialer.DialContext(ctx, network, address.String())
 }
 
 func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
diff --git a/common/process/searcher.go b/common/process/searcher.go
index d6f67a0b..d5a86543 100644
--- a/common/process/searcher.go
+++ b/common/process/searcher.go
@@ -28,11 +28,5 @@ type Info struct {
 }
 
 func FindProcessInfo(searcher Searcher, ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*Info, error) {
-	info, err := findProcessInfo(searcher, ctx, network, source, destination)
-	if err != nil {
-		if source.Addr().Is4In6() {
-			info, err = findProcessInfo(searcher, ctx, network, netip.AddrPortFrom(netip.AddrFrom4(source.Addr().As4()), source.Port()), destination)
-		}
-	}
-	return info, err
+	return findProcessInfo(searcher, ctx, network, source, destination)
 }
diff --git a/common/proxyproto/listener.go b/common/proxyproto/listener.go
index 068e32ef..f61d227e 100644
--- a/common/proxyproto/listener.go
+++ b/common/proxyproto/listener.go
@@ -36,8 +36,8 @@ func (l *Listener) Accept() (net.Conn, error) {
 	}
 	if header != nil {
 		return &bufio.AddrConn{Conn: conn, Metadata: M.Metadata{
-			Source:      M.SocksaddrFromNet(header.SourceAddr),
-			Destination: M.SocksaddrFromNet(header.DestinationAddr),
+			Source:      M.SocksaddrFromNet(header.SourceAddr).Unwrap(),
+			Destination: M.SocksaddrFromNet(header.DestinationAddr).Unwrap(),
 		}}, nil
 	}
 	return conn, nil
diff --git a/go.mod b/go.mod
index 83e1d6b4..83cb4c4b 100644
--- a/go.mod
+++ b/go.mod
@@ -23,10 +23,10 @@ require (
 	github.com/pires/go-proxyproto v0.6.2
 	github.com/refraction-networking/utls v1.1.2
 	github.com/sagernet/quic-go v0.0.0-20220818150011-de611ab3e2bb
-	github.com/sagernet/sing v0.0.0-20220921101604-86d7d510231f
+	github.com/sagernet/sing v0.0.0-20220925112014-b12b8b7fd220
 	github.com/sagernet/sing-dns v0.0.0-20220915084601-812e0864b45b
 	github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6
-	github.com/sagernet/sing-tun v0.0.0-20220922083325-80ee99472704
+	github.com/sagernet/sing-tun v0.0.0-20220925112147-6bad0c2380ca
 	github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685
 	github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195
 	github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e
@@ -34,10 +34,10 @@ require (
 	github.com/stretchr/testify v1.8.0
 	go.etcd.io/bbolt v1.3.6
 	go.uber.org/atomic v1.10.0
-	go4.org/netipx v0.0.0-20220812043211-3cc044ffd68d
-	golang.org/x/crypto v0.0.0-20220919173607-35f4265a4bc0
-	golang.org/x/net v0.0.0-20220909164309-bea034e7d591
-	golang.org/x/sys v0.0.0-20220913120320-3275c407cedc
+	go4.org/netipx v0.0.0-20220925034521-797b0c90d8ab
+	golang.org/x/crypto v0.0.0-20220924013350-4ba4fb4dd9e7
+	golang.org/x/net v0.0.0-20220923203811-8be639271d50
+	golang.org/x/sys v0.0.0-20220919091848-fb04ddd9f9c8
 	golang.zx2c4.com/wireguard v0.0.0-20220829161405-d1d08426b27b
 	google.golang.org/grpc v1.49.0
 	google.golang.org/protobuf v1.28.1
diff --git a/go.sum b/go.sum
index 901affd5..42a58892 100644
--- a/go.sum
+++ b/go.sum
@@ -145,14 +145,14 @@ github.com/sagernet/quic-go v0.0.0-20220818150011-de611ab3e2bb h1:wc0yQ+SBn4TaTY
 github.com/sagernet/quic-go v0.0.0-20220818150011-de611ab3e2bb/go.mod h1:MIccjRKnPTjWwAOpl+AUGWOkzyTd9tERytudxu+1ra4=
 github.com/sagernet/sing v0.0.0-20220812082120-05f9836bff8f/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
 github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
-github.com/sagernet/sing v0.0.0-20220921101604-86d7d510231f h1:GX416thAwyc0vHBOal/qplvdhFgYO2dHD5GqADCJ0Ig=
-github.com/sagernet/sing v0.0.0-20220921101604-86d7d510231f/go.mod h1:x3NHUeJBQwV75L51zwmLKQdLtRvR+M4PmXkfQtU1vIY=
+github.com/sagernet/sing v0.0.0-20220925112014-b12b8b7fd220 h1:fQk/BHOeHw5murjeNTdmkXmDy9cMlbubRINRH7GDuu4=
+github.com/sagernet/sing v0.0.0-20220925112014-b12b8b7fd220/go.mod h1:5/u6RMDMoGIkSNtrZb41kJvyIFg3Ysn69P3WiAu8m0c=
 github.com/sagernet/sing-dns v0.0.0-20220915084601-812e0864b45b h1:cXCMNJ9heZ+c6l+qUcku60x9KyXo4SOAaJfg/6spOmU=
 github.com/sagernet/sing-dns v0.0.0-20220915084601-812e0864b45b/go.mod h1:SrvWLfOSlnFmH32CWXicfilAGgIXR0VjrH6yRbuXYww=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6 h1:JJfDeYYhWunvtxsU/mOVNTmFQmnzGx9dY034qG6G3g4=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6/go.mod h1:EX3RbZvrwAkPI2nuGa78T2iQXmrkT+/VQtskjou42xM=
-github.com/sagernet/sing-tun v0.0.0-20220922083325-80ee99472704 h1:DOQQXQbB2gq4n2FuMHrL07HRs2naCCsuiu/9l1JFb9A=
-github.com/sagernet/sing-tun v0.0.0-20220922083325-80ee99472704/go.mod h1:5AhPUv9jWDQ3pv3Mj78SL/1TSjhoaj6WNASxRKLqXqM=
+github.com/sagernet/sing-tun v0.0.0-20220925112147-6bad0c2380ca h1:Owgx9izFNYyMyUZ61td+mL3vumBhJz4zNismYlCyQbw=
+github.com/sagernet/sing-tun v0.0.0-20220925112147-6bad0c2380ca/go.mod h1:ftP5VXlp3RJO5+WS3mPFk7jB9B/K/QrPEZX3BUORGQY=
 github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685 h1:AZzFNRR/ZwMTceUQ1b/mxx6oyKqmFymdMn/yleJmoVM=
 github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685/go.mod h1:bwhAdSNET1X+j9DOXGj9NIQR39xgcWIk1rOQ9lLD+gM=
 github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195 h1:5VBIbVw9q7aKbrFdT83mjkyvQ+VaRsQ6yflTepfln38=
@@ -188,16 +188,16 @@ go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9i
 go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
 go.uber.org/zap v1.22.0 h1:Zcye5DUgBloQ9BaT4qc9BnjOFog5TvBSAGkJ3Nf70c0=
 go.uber.org/zap v1.22.0/go.mod h1:H4siCOZOrAolnUPJEkfaSjDqyP+BDS0DdDWzwcgt3+U=
-go4.org/netipx v0.0.0-20220812043211-3cc044ffd68d h1:ggxwEf5eu0l8v+87VhX1czFh8zJul3hK16Gmruxn7hw=
-go4.org/netipx v0.0.0-20220812043211-3cc044ffd68d/go.mod h1:tgPU4N2u9RByaTN3NC2p9xOzyFpte4jYwsIIRF7XlSc=
+go4.org/netipx v0.0.0-20220925034521-797b0c90d8ab h1:+yW1yrZ09EYNu1spCUOHBBNRbrLnfmutwyhbhCv3b6Q=
+go4.org/netipx v0.0.0-20220925034521-797b0c90d8ab/go.mod h1:tgPU4N2u9RByaTN3NC2p9xOzyFpte4jYwsIIRF7XlSc=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190404164418-38d8ce5564a5/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20220919173607-35f4265a4bc0 h1:a5Yg6ylndHHYJqIPrdq0AhvR6KTvDTAvgBtaidhEevY=
-golang.org/x/crypto v0.0.0-20220919173607-35f4265a4bc0/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220924013350-4ba4fb4dd9e7 h1:WJywXQVIb56P2kAvXeMGTIgQ1ZHQxR60+F9dLsodECc=
+golang.org/x/crypto v0.0.0-20220924013350-4ba4fb4dd9e7/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e h1:+WEEuIdZHnUeJJmEUjyYC2gfUMj69yZXw17EnHg/otA=
 golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e/go.mod h1:Kr81I6Kryrl9sr8s2FK3vxD90NdsKWRuOIl2O4CvYbA=
@@ -229,8 +229,8 @@ golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211111160137-58aab5ef257a/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220630215102-69896b714898/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.0.0-20220909164309-bea034e7d591 h1:D0B/7al0LLrVC8aWF4+oxpv/m8bc7ViFfVS8/gXGdqI=
-golang.org/x/net v0.0.0-20220909164309-bea034e7d591/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/net v0.0.0-20220923203811-8be639271d50 h1:vKyz8L3zkd+xrMeIaBsQ/MNVPVFSffdaU3ZyYlBGFnI=
+golang.org/x/net v0.0.0-20220923203811-8be639271d50/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -264,8 +264,8 @@ golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220731174439-a90be440212d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220913120320-3275c407cedc h1:dpclq5m2YrqPGStKmtw7IcNbKLfbIqKXvNxDJKdIKYc=
-golang.org/x/sys v0.0.0-20220913120320-3275c407cedc/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220919091848-fb04ddd9f9c8 h1:h+EGohizhe9XlX18rfpa8k8RAc5XyaeamM+0VHRd4lc=
+golang.org/x/sys v0.0.0-20220919091848-fb04ddd9f9c8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
diff --git a/inbound/default.go b/inbound/default.go
index 187c688f..b45b5543 100644
--- a/inbound/default.go
+++ b/inbound/default.go
@@ -141,13 +141,13 @@ func (a *myInboundAdapter) createMetadata(conn net.Conn, metadata adapter.Inboun
 	metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
 	metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
 	if !metadata.Source.IsValid() {
-		metadata.Source = M.SocksaddrFromNet(conn.RemoteAddr())
+		metadata.Source = M.SocksaddrFromNet(conn.RemoteAddr()).Unwrap()
 	}
 	if !metadata.Destination.IsValid() {
-		metadata.Destination = M.SocksaddrFromNet(conn.LocalAddr())
+		metadata.Destination = M.SocksaddrFromNet(conn.LocalAddr()).Unwrap()
 	}
 	if tcpConn, isTCP := common.Cast[*net.TCPConn](conn); isTCP {
-		metadata.OriginDestination = M.SocksaddrFromNet(tcpConn.LocalAddr())
+		metadata.OriginDestination = M.SocksaddrFromNet(tcpConn.LocalAddr()).Unwrap()
 	}
 	return metadata
 }
diff --git a/inbound/default_udp.go b/inbound/default_udp.go
index c163fb58..3436311a 100644
--- a/inbound/default_udp.go
+++ b/inbound/default_udp.go
@@ -54,7 +54,7 @@ func (a *myInboundAdapter) loopUDPIn() {
 		metadata.SniffEnabled = a.listenOptions.SniffEnabled
 		metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
 		metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
-		metadata.Source = M.SocksaddrFromNetIP(addr)
+		metadata.Source = M.SocksaddrFromNetIP(addr).Unwrap()
 		metadata.OriginDestination = a.udpAddr
 		err = a.packetHandler.NewPacket(a.ctx, packetService, buffer, metadata)
 		if err != nil {
@@ -86,7 +86,7 @@ func (a *myInboundAdapter) loopUDPOOBIn() {
 		metadata.SniffEnabled = a.listenOptions.SniffEnabled
 		metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
 		metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
-		metadata.Source = M.SocksaddrFromNetIP(addr)
+		metadata.Source = M.SocksaddrFromNetIP(addr).Unwrap()
 		metadata.OriginDestination = a.udpAddr
 		err = a.oobPacketHandler.NewPacket(a.ctx, packetService, buffer, oob[:oobN], metadata)
 		if err != nil {
@@ -112,7 +112,7 @@ func (a *myInboundAdapter) loopUDPInThreadSafe() {
 		metadata.SniffEnabled = a.listenOptions.SniffEnabled
 		metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
 		metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
-		metadata.Source = M.SocksaddrFromNetIP(addr)
+		metadata.Source = M.SocksaddrFromNetIP(addr).Unwrap()
 		metadata.OriginDestination = a.udpAddr
 		err = a.packetHandler.NewPacket(a.ctx, packetService, buffer, metadata)
 		if err != nil {
@@ -140,7 +140,7 @@ func (a *myInboundAdapter) loopUDPOOBInThreadSafe() {
 		metadata.SniffEnabled = a.listenOptions.SniffEnabled
 		metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
 		metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
-		metadata.Source = M.SocksaddrFromNetIP(addr)
+		metadata.Source = M.SocksaddrFromNetIP(addr).Unwrap()
 		metadata.OriginDestination = a.udpAddr
 		err = a.oobPacketHandler.NewPacket(a.ctx, packetService, buffer, oob[:oobN], metadata)
 		if err != nil {
diff --git a/inbound/hysteria.go b/inbound/hysteria.go
index 642d101c..55ba8937 100644
--- a/inbound/hysteria.go
+++ b/inbound/hysteria.go
@@ -261,9 +261,9 @@ func (h *Hysteria) acceptStream(ctx context.Context, conn quic.Connection, strea
 	metadata.SniffEnabled = h.listenOptions.SniffEnabled
 	metadata.SniffOverrideDestination = h.listenOptions.SniffOverrideDestination
 	metadata.DomainStrategy = dns.DomainStrategy(h.listenOptions.DomainStrategy)
-	metadata.Source = M.SocksaddrFromNet(conn.RemoteAddr())
-	metadata.OriginDestination = M.SocksaddrFromNet(conn.LocalAddr())
-	metadata.Destination = M.ParseSocksaddrHostPort(request.Host, request.Port)
+	metadata.Source = M.SocksaddrFromNet(conn.RemoteAddr()).Unwrap()
+	metadata.OriginDestination = M.SocksaddrFromNet(conn.LocalAddr()).Unwrap()
+	metadata.Destination = M.ParseSocksaddrHostPort(request.Host, request.Port).Unwrap()
 
 	if !request.UDP {
 		err = hysteria.WriteServerResponse(stream, hysteria.ServerResponse{
diff --git a/inbound/tproxy.go b/inbound/tproxy.go
index 46162737..fa557425 100644
--- a/inbound/tproxy.go
+++ b/inbound/tproxy.go
@@ -75,7 +75,7 @@ func (t *TProxy) Start() error {
 }
 
 func (t *TProxy) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
-	metadata.Destination = M.SocksaddrFromNet(conn.LocalAddr())
+	metadata.Destination = M.SocksaddrFromNet(conn.LocalAddr()).Unwrap()
 	return t.newConnection(ctx, conn, metadata)
 }
 
@@ -84,9 +84,9 @@ func (t *TProxy) NewPacket(ctx context.Context, conn N.PacketConn, buffer *buf.B
 	if err != nil {
 		return E.Cause(err, "get tproxy destination")
 	}
-	metadata.Destination = M.SocksaddrFromNetIP(destination)
+	metadata.Destination = M.SocksaddrFromNetIP(destination).Unwrap()
 	t.udpNat.NewContextPacket(ctx, metadata.Source.AddrPort(), buffer, adapter.UpstreamMetadata(metadata), func(natConn N.PacketConn) (context.Context, N.PacketWriter) {
-		return adapter.WithContext(log.ContextWithNewID(ctx), &metadata), &tproxyPacketWriter{ctx: ctx, source: natConn}
+		return adapter.WithContext(log.ContextWithNewID(ctx), &metadata), &tproxyPacketWriter{ctx: ctx, source: natConn, destination: metadata.Destination}
 	})
 	return nil
 }
@@ -100,10 +100,7 @@ type tproxyPacketWriter struct {
 
 func (w *tproxyPacketWriter) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
 	defer buffer.Release()
-	destination = destination.Unwrap()
-	if !w.destination.Addr.IsValid() {
-		w.destination = destination
-	} else if w.destination == destination && w.conn != nil {
+	if w.destination == destination && w.conn != nil {
 		_, err := w.conn.WriteToUDPAddrPort(buffer.Bytes(), M.AddrPortFromNet(w.source.LocalAddr()))
 		if err == nil {
 			w.conn = nil
diff --git a/route/rule_cidr.go b/route/rule_cidr.go
index 988bfd7e..b72d1e10 100644
--- a/route/rule_cidr.go
+++ b/route/rule_cidr.go
@@ -59,13 +59,13 @@ func NewIPCIDRItem(isSource bool, prefixStrings []string) (*IPCIDRItem, error) {
 
 func (r *IPCIDRItem) Match(metadata *adapter.InboundContext) bool {
 	if r.isSource {
-		return r.match(metadata.Source.Addr)
+		return r.ipSet.Contains(metadata.Source.Addr)
 	} else {
 		if metadata.Destination.IsIP() {
-			return r.match(metadata.Destination.Addr)
+			return r.ipSet.Contains(metadata.Destination.Addr)
 		} else {
 			for _, address := range metadata.DestinationAddresses {
-				if r.match(address) {
+				if r.ipSet.Contains(address) {
 					return true
 				}
 			}
@@ -74,14 +74,6 @@ func (r *IPCIDRItem) Match(metadata *adapter.InboundContext) bool {
 	return false
 }
 
-func (r *IPCIDRItem) match(address netip.Addr) bool {
-	if address.Is4In6() {
-		return r.ipSet.Contains(netip.AddrFrom4(address.As4()))
-	} else {
-		return r.ipSet.Contains(address)
-	}
-}
-
 func (r *IPCIDRItem) String() string {
 	return r.description
 }
diff --git a/transport/hysteria/protocol.go b/transport/hysteria/protocol.go
index f7730dad..aa2eab30 100644
--- a/transport/hysteria/protocol.go
+++ b/transport/hysteria/protocol.go
@@ -462,7 +462,7 @@ func (c *PacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, er
 		return
 	}
 	err = common.Error(buffer.Write(msg.Data))
-	destination = M.ParseSocksaddrHostPort(msg.Host, msg.Port)
+	destination = M.ParseSocksaddrHostPort(msg.Host, msg.Port).Unwrap()
 	return
 }
 
@@ -473,14 +473,14 @@ func (c *PacketConn) ReadPacketThreadSafe() (buffer *buf.Buffer, destination M.S
 		return
 	}
 	buffer = buf.As(msg.Data)
-	destination = M.ParseSocksaddrHostPort(msg.Host, msg.Port)
+	destination = M.ParseSocksaddrHostPort(msg.Host, msg.Port).Unwrap()
 	return
 }
 
 func (c *PacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
 	return WriteUDPMessage(c.session, UDPMessage{
 		SessionID: c.sessionId,
-		Host:      destination.Unwrap().AddrString(),
+		Host:      destination.AddrString(),
 		Port:      destination.Port,
 		FragCount: 1,
 		Data:      buffer.Bytes(),