diff --git a/transports/meeklite/v2/meeklite.go b/transports/meeklite/v2/meeklite.go
index d5082a8..6f8db62 100644
--- a/transports/meeklite/v2/meeklite.go
+++ b/transports/meeklite/v2/meeklite.go
@@ -135,15 +135,15 @@ func (ca *meekClientArgs) Network() string {
 }
 //begin optimizer code
 type Transport struct {
-	Url     *gourl.URL
-	Front   string
+	Url     *gourl.URL `json:"url"`
+	Front   string `json:"front"`
 	Address string
 	Dialer  proxy.Dialer
 }
 
 type Config struct {
-	Url *gourl.URL
-	Front string
+	Url *gourl.URL `json:"url"`
+	Front string `json:"front"`
 }
 func (transport Transport) Dial() (net.Conn, error) {
 	meekTransport := NewMeekTransportWithFront(transport.Url.String(), transport.Front, transport.Dialer)
diff --git a/transports/meekserver/v2/pt21.go b/transports/meekserver/v2/pt21.go
index 09f69b4..09b1524 100644
--- a/transports/meekserver/v2/pt21.go
+++ b/transports/meekserver/v2/pt21.go
@@ -52,6 +52,11 @@ type MeekServer struct {
 	CertManager  *autocert.Manager
 }
 
+type Config struct {
+	AcmeEmail    string `json:"acme-email"`
+	AcmeHostname string `json:"acme-hostnames"`
+}
+
 type meekListener struct {
 	server *http.Server
 	state  *State