diff --git a/chain.go b/chain.go
index 2aefd0d..a89fba3 100644
--- a/chain.go
+++ b/chain.go
@@ -3,6 +3,7 @@ package gost
 import (
 	"context"
 	"errors"
+	"fmt"
 	"net"
 	"syscall"
 	"time"
@@ -38,11 +39,13 @@ func NewChain(nodes ...Node) *Chain {
 // newRoute creates a chain route.
 // a chain route is the final route after node selection.
 func (c *Chain) newRoute(nodes ...Node) *Chain {
-	chain := NewChain(nodes...)
-	chain.isRoute = true
-	chain.Interface = c.Interface
-	chain.Mark = c.Mark
-	return chain
+	route := NewChain(nodes...)
+	route.isRoute = true
+	if !c.IsEmpty() {
+		route.Interface = c.Interface
+		route.Mark = c.Mark
+	}
+	return route
 }
 
 // Nodes returns the proxy nodes that the chain holds.
@@ -140,6 +143,9 @@ func (c *Chain) dialWithOptions(ctx context.Context, network, address string, op
 	if options == nil {
 		options = &ChainOptions{}
 	}
+	if c == nil {
+		c = &Chain{}
+	}
 	route, err := c.selectRouteFor(address)
 	if err != nil {
 		return nil, err
@@ -149,6 +155,9 @@ func (c *Chain) dialWithOptions(ctx context.Context, network, address string, op
 	if address != "" {
 		ipAddr = c.resolve(address, options.Resolver, options.Hosts)
 	}
+	if ipAddr == "" {
+		return nil, fmt.Errorf("resolver: domain %s does not exists", address)
+	}
 
 	timeout := options.Timeout
 	if timeout <= 0 {
@@ -225,9 +234,11 @@ func (*Chain) resolve(addr string, resolver Resolver, hosts *Hosts) string {
 		if err != nil {
 			log.Logf("[resolver] %s: %v", host, err)
 		}
-		if len(ips) > 0 {
-			return net.JoinHostPort(ips[0].String(), port)
+		if len(ips) == 0 {
+			log.Logf("[resolver] %s: domain does not exists", host)
+			return ""
 		}
+		return net.JoinHostPort(ips[0].String(), port)
 	}
 	return addr
 }
diff --git a/go.mod b/go.mod
index 966ed39..a6088b0 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/go-gost/gosocks4 v0.0.1
 	github.com/go-gost/gosocks5 v0.3.0
 	github.com/go-gost/relay v0.1.1-0.20211123134818-8ef7fd81ffd7
-	github.com/go-gost/tls-dissector v0.0.2-0.20211125135007-2b5d5bd9c07e
+	github.com/go-gost/tls-dissector v0.0.2-0.20220408131628-aac992c27451
 	github.com/go-log/log v0.2.0
 	github.com/gobwas/glob v0.2.3
 	github.com/gorilla/websocket v1.4.2
diff --git a/go.sum b/go.sum
index 315506e..b8d7c3e 100644
--- a/go.sum
+++ b/go.sum
@@ -58,8 +58,8 @@ github.com/go-gost/gosocks5 v0.3.0 h1:Hkmp9YDRBSCJd7xywW6dBPT6B9aQTkuWd+3WCheJiJ
 github.com/go-gost/gosocks5 v0.3.0/go.mod h1:1G6I7HP7VFVxveGkoK8mnprnJqSqJjdcASKsdUn4Pp4=
 github.com/go-gost/relay v0.1.1-0.20211123134818-8ef7fd81ffd7 h1:itaaJhQJ19kUXEB4Igb0EbY8m+1Py2AaNNSBds/9gk4=
 github.com/go-gost/relay v0.1.1-0.20211123134818-8ef7fd81ffd7/go.mod h1:lcX+23LCQ3khIeASBo+tJ/WbwXFO32/N5YN6ucuYTG8=
-github.com/go-gost/tls-dissector v0.0.2-0.20211125135007-2b5d5bd9c07e h1:73NGqAs22ey3wJkIYVD/ACEoovuIuOlEzQTEoqrO5+U=
-github.com/go-gost/tls-dissector v0.0.2-0.20211125135007-2b5d5bd9c07e/go.mod h1:/9QfdewqmHdaE362Hv5nDaSWLx3pCmtD870d6GaquXs=
+github.com/go-gost/tls-dissector v0.0.2-0.20220408131628-aac992c27451 h1:xj8gUZGYO3nb5+6Bjw9+tsFkA9sYynrOvDvvC4uDV2I=
+github.com/go-gost/tls-dissector v0.0.2-0.20220408131628-aac992c27451/go.mod h1:/9QfdewqmHdaE362Hv5nDaSWLx3pCmtD870d6GaquXs=
 github.com/go-log/log v0.2.0 h1:z8i91GBudxD5L3RmF0KVpetCbcGWAV7q1Tw1eRwQM9Q=
 github.com/go-log/log v0.2.0/go.mod h1:xzCnwajcues/6w7lne3yK2QU7DBPW7kqbgPGG5AF65U=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index ba6209f..185d6de 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -7,6 +7,7 @@ description: |
   Wiki: https://v2.gost.run
 icon: gost.png
 website: https://v2.gost.run
+license: MIT
 
 
 confinement: strict