update chain route

resolver/exchanger/exchanger.go

@@ -102,7 +102,7 @@ func NewExchanger(addr string, opts ...Option) (Exchanger, error) {
 		ex.addr = net.JoinHostPort(ex.addr, "53")
 	}
 	if ex.router == nil {
-		ex.router = (&chain.Router{}).WithLogger(options.logger)
+		ex.router = chain.NewRouter(chain.LoggerRouterOption(options.logger))
 	}
 
 	switch ex.network {

resolver/resolver.go

@@ -65,9 +65,10 @@ func NewResolver(nameservers []NameServer, opts ...ResolverOption) (resolverpkg.
 		ex, err := exchanger.NewExchanger(
 			addr,
 			exchanger.RouterOption(
-				(&chain.Router{}).
-					WithChain(server.Chain).
-					WithLogger(options.logger),
+				chain.NewRouter(
+					chain.ChainRouterOption(server.Chain),
+					chain.LoggerRouterOption(options.logger),
+				),
 			),
 			exchanger.TimeoutOption(server.Timeout),
 			exchanger.LoggerOption(options.logger),