From fed2933043ab793ab7b4e88d9c49d5d564fe9d0d Mon Sep 17 00:00:00 2001
From: Shelikhoo <xiaokangwang@outlook.com>
Date: Sun, 14 Aug 2016 20:41:26 +0800
Subject: [PATCH] fix crash

---
 transport/internet/ws/dialer.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/transport/internet/ws/dialer.go b/transport/internet/ws/dialer.go
index 6b17dfeb..63fc0efd 100644
--- a/transport/internet/ws/dialer.go
+++ b/transport/internet/ws/dialer.go
@@ -113,8 +113,10 @@ func wsDial(src v2net.Address, dest v2net.Destination) (*wsconn, error) {
 
 	conn, resp, err := dialer.Dial(uri, nil)
 	if err != nil {
-		reason, reasonerr := ioutil.ReadAll(resp.Body)
-		log.Info(string(reason), reasonerr)
+		if resp != nil {
+			reason, reasonerr := ioutil.ReadAll(resp.Body)
+			log.Info(string(reason), reasonerr)
+		}
 		return nil, err
 	}
 	return func() internet.Connection {