diff --git a/.jenkins.sh b/.jenkins.sh
index bae7f79..5630511 100755
--- a/.jenkins.sh
+++ b/.jenkins.sh
@@ -60,4 +60,6 @@ rm -rf htmlcov
 rm -rf tmp
 coverage html --include=shadowsocks/*
 
+coverage report --include=shadowsocks/* | tail -n1 | rev | cut -d' ' -f 1 | rev > /tmp/shadowsocks-coverage
+
 exit $result
diff --git a/README.md b/README.md
index 7a37b26..621d2d9 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
 shadowsocks
 ===========
 
-[![PyPI version]][PyPI] [![Build Status]][Travis CI] 
+[![PyPI version]][PyPI]
+[![Build Status]][Travis CI]
+[![Coverage Status]][Coverage]
 
 A fast tunnel proxy that helps you bypass firewalls.
 
@@ -119,6 +121,8 @@ Bugs and Issues
 [Android]:           https://github.com/clowwindy/shadowsocks/wiki/Ports-and-Clients#android
 [Build Status]:      https://img.shields.io/travis/clowwindy/shadowsocks/master.svg?style=flat
 [Chinese Readme]:    https://github.com/clowwindy/shadowsocks/wiki/Shadowsocks-%E4%BD%BF%E7%94%A8%E8%AF%B4%E6%98%8E
+[Coverage Status]:   http://192.81.132.184/result/shadowsocks
+[Coverage]:          http://192.81.132.184/job/Shadowsocks/ws/htmlcov/index.html
 [Debian sid]:        https://packages.debian.org/unstable/python/shadowsocks
 [the package]:       https://pypi.python.org/pypi/shadowsocks
 [Encryption]:        https://github.com/clowwindy/shadowsocks/wiki/Encryption
diff --git a/tests/coverage_server.py b/tests/coverage_server.py
new file mode 100644
index 0000000..4bb53df
--- /dev/null
+++ b/tests/coverage_server.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+import tornado.ioloop
+import tornado.web
+import urllib
+
+
+class MainHandler(tornado.web.RequestHandler):
+    def get(self):
+        with open('/tmp/shadowsocks-coverage', 'rb') as f:
+            coverage = f.read().strip()
+            self.redirect(('https://img.shields.io/badge/'
+                           'coverage-%s-brightgreen.svg'
+                           '?style=flat') %
+                          urllib.quote(coverage))
+
+application = tornado.web.Application([
+    (r"/shadowsocks", MainHandler),
+])
+
+if __name__ == "__main__":
+    application.listen(8888, address='127.0.0.1')
+    tornado.ioloop.IOLoop.instance().start()