diff --git a/README.md b/README.md
index 282c259..5d0babb 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@ shadowsocks
 ===========
 
 [![Build Status](https://travis-ci.org/clowwindy/shadowsocks.png)](https://travis-ci.org/clowwindy/shadowsocks)
-Current version: 1.2.2
+Current version: 1.2.3
 
 shadowsocks is a lightweight tunnel proxy which can help you get through firewalls
 
@@ -55,8 +55,8 @@ Command line args
 
 You can use args to override settings from `config.json`.
 
-    python local.py -s server_name -p server_port -l local_port -k password -m bf-cfb
-    python server.py -p server_port -k password -m bf-cfb
+    python local.py -s server_name -p server_port -l local_port -k password -m bf-cfb -b bind_address -6
+    python server.py -p server_port -k password -m bf-cfb -6
 
 Performance
 ------------
diff --git a/local.py b/local.py
index 79d1d74..bd40e62 100755
--- a/local.py
+++ b/local.py
@@ -151,7 +151,7 @@ if __name__ == '__main__':
                 ("windows_exe", "console_exe"):
             p = os.path.dirname(os.path.abspath(sys.executable))
             os.chdir(p)
-    print 'shadowsocks v1.2.2'
+    print 'shadowsocks v1.2.3'
 
     with open('config.json', 'rb') as f:
         config = json.load(f)
@@ -160,9 +160,10 @@ if __name__ == '__main__':
     PORT = config['local_port']
     KEY = config['password']
     METHOD = config.get('method', None)
+    LOCAL = config.get('local', '')
     IPv6 = False
 
-    optlist, args = getopt.getopt(sys.argv[1:], 's:p:k:l:m:6')
+    optlist, args = getopt.getopt(sys.argv[1:], 's:b:p:k:l:m:6')
     for key, value in optlist:
         if key == '-p':
             REMOTE_PORT = int(value)
@@ -174,6 +175,8 @@ if __name__ == '__main__':
             SERVER = value
         elif key == '-m':
             METHOD = value
+        elif key == '-b':
+            LOCAL = value
         elif key == '-6':
             IPv6 = True
 
@@ -186,8 +189,8 @@ if __name__ == '__main__':
     try:
         if IPv6:
             ThreadingTCPServer.address_family = socket.AF_INET6
-        server = ThreadingTCPServer(('', PORT), Socks5Server)
-        logging.info("starting server at port %d ..." % PORT)
+        server = ThreadingTCPServer((LOCAL, PORT), Socks5Server)
+        logging.info("starting server at %s:%d" % tuple(server.server_address[:2]))
         server.serve_forever()
     except socket.error, e:
         logging.error(e)
diff --git a/packaging/py2exe/setup.py b/packaging/py2exe/setup.py
index 94ffcb8..30340aa 100644
--- a/packaging/py2exe/setup.py
+++ b/packaging/py2exe/setup.py
@@ -9,7 +9,7 @@ except ImportError:
     pass
 
 setup(name='shadowsocks',
-        version='1.2.2',
+        version='1.2.3',
         description='a lightweight tunnel proxy which can help you get through firewalls',
         author='clowwindy',
         author_email='clowwindy42@gmail.com',
diff --git a/server.py b/server.py
index 8c1c564..d656733 100755
--- a/server.py
+++ b/server.py
@@ -126,7 +126,7 @@ class Socks5Server(SocketServer.StreamRequestHandler):
 if __name__ == '__main__':
     os.chdir(os.path.dirname(__file__) or '.')
 
-    print 'shadowsocks v1.2.2'
+    print 'shadowsocks v1.2.3'
 
     with open('config.json', 'rb') as f:
         config = json.load(f)
diff --git a/test.py b/test.py
index 1a5ca3b..ab3bbda 100755
--- a/test.py
+++ b/test.py
@@ -101,7 +101,7 @@ try:
         for fd in r:
             line = fd.readline()
             sys.stdout.write(line)
-            if line.find('starting server at port') >= 0:
+            if line.find('starting server') >= 0:
                 ready_count += 1
         
         if ready_count == 2 and p3 is None: