diff --git a/transport/internet/tls/config.go b/transport/internet/tls/config.go
index e7f0e0ca2..62be94b80 100644
--- a/transport/internet/tls/config.go
+++ b/transport/internet/tls/config.go
@@ -26,7 +26,7 @@ func (v *Config) BuildCertificates() []tls.Certificate {
 func (v *Config) GetTLSConfig() *tls.Config {
 	config := &tls.Config{
 		ClientSessionCache: globalSessionCache,
-		//NextProtos:         []string{"http/2.0", "spdy/3", "http/1.1"},
+		NextProtos:         []string{"http/1.1"},
 	}
 	if v == nil {
 		return config