From b447c044c75454f0d779cfc57a42cbe8c0fd4f44 Mon Sep 17 00:00:00 2001
From: Falseen <hurxyill@163.com>
Date: Thu, 2 Mar 2017 15:01:39 +0800
Subject: [PATCH] update add_header

---
 shadowsocks/common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shadowsocks/common.py b/shadowsocks/common.py
index 2dde5de..1a58457 100644
--- a/shadowsocks/common.py
+++ b/shadowsocks/common.py
@@ -162,7 +162,7 @@ def pack_addr(address):
 
 
 # add ss header
-def add_header(address, port, data):
+def add_header(address, port, data=b''):
     _data = b''
     _data = pack_addr(address) + struct.pack('>H', port) + data
     return _data