diff --git a/README.md b/README.md
index fa8fd824..c859208d 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ It is a port of [shadowsocks](https://github.com/clowwindy/shadowsocks)
 created by [@clowwindy](https://github.com/clowwindy) maintained by 
 [@madeye](https://github.com/madeye).
 
-Current version: 1.3.3 [![Build Status](https://travis-ci.org/madeye/shadowsocks-libev.png?branch=master)](https://travis-ci.org/madeye/shadowsocks-libev)
+Current version: 1.4.0 [![Build Status](https://travis-ci.org/madeye/shadowsocks-libev.png?branch=master)](https://travis-ci.org/madeye/shadowsocks-libev)
 
 Changelog
 ---------
@@ -75,26 +75,27 @@ Usage
 usage:
 
 ss-[local|redir|server]
-      -s <server_host>        -p <server_port>
-      -l <local_port>         -k <password>
-      [-m <encrypt_method>]   [-f <pid_file>]
-      [-t <timeout>]          [-c <config_file>]
-      [-i <interface>]        [-b <local_address>]
-
-options:
-
-encrypt_method:   table, rc4,
-                  aes-128-cfb, aes-192-cfb, aes-256-cfb,
-                  bf-cfb, camellia-128-cfb, camellia-192-cfb,
-                  camellia-256-cfb, cast5-cfb, des-cfb,
-                  idea-cfb, rc2-cfb and seed-cfb
-      pid_file:   valid path to the pid file
-       timeout:   socket timeout in senconds
-   config_file:   json format config file
-     interface:   specific network interface to bind,
-                  only avaliable in local and server modes
- local_address:   specific local address to bind,
-                  only avaliable in local and redir modes
+      -s <server_host>           host name or ip address of your remote server
+      -p <server_port>           port number of your remote server
+      -l <local_port>>           port number of your local server
+      -k <password>              password of your remote server
+
+      [-m <encrypt_method>]      encrypt method, supporting table, rc4,
+                                 aes-128-cfb, aes-192-cfb, aes-256-cfb,
+                                 bf-cfb, camellia-128-cfb, camellia-192-cfb,
+                                 camellia-256-cfb, cast5-cfb, des-cfb,
+                                 idea-cfb, rc2-cfb and seed-cfb
+      [-f <pid_file>]            valid path to the pid file
+      [-t <timeout>]             socket timeout in seconds
+      [-c <config_file>]         json format config file
+
+      [-i <interface>]           specific network interface to bind,
+                                 only avaliable in local and server modes
+      [-b <local_address>]       specific local address to bind,
+                                 only avaliable in local and redir modes
+      [-u]                       udprelay mode to supprot udp traffic
+                                 only avaliable in local and redir modes
+      [-v]                       verbose mode, debug output in console
 
 notes: