diff --git a/Procfile b/Procfile
index 629b83a..1e700b4 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: python main.py
+web: uwsgi --http 0.0.0.0:5050 --wsgi-file main.py --processes $SINACLOUD_CONTAINER_CPU
\ No newline at end of file
diff --git a/README.md b/README.md
index 944101d..a4135a7 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@
 ```sh
 $ git clone https://github.com/sinacloud/python-getting-started.git
 $ cd python-getting-started
-$ python main.py
+$ git checkout uwsgi
+$ pip install -r requirements.txt
+$ uwsgi --http 0.0.0.0:5050 --wsgi-file main.py
 ```
 
 现在，本示例应用已经跑在了你的 localhost:5050 端口上了。
diff --git a/main.py b/main.py
index ac76dc0..e64b8e7 100644
--- a/main.py
+++ b/main.py
@@ -1,26 +1,3 @@
-import os
-import tornado.httpserver
-import tornado.ioloop
-import tornado.options
-import tornado.web
-from tornado import gen
-from tornado.httpclient import AsyncHTTPClient
-
-class MainHandler(tornado.web.RequestHandler):
-
-    @gen.coroutine
-    def get(self):
-        http_client = AsyncHTTPClient()
-        response = yield http_client.fetch("http://www.sinacloud.com")
-        self.set_header('content-type', 'text/plain')
-        self.write('Hello, World! ' + str(response.body[:100]))
-
-application = tornado.web.Application([
-    (r"/", MainHandler),
-])
-
-if __name__ == "__main__":
-    tornado.options.parse_command_line()
-    http_server = tornado.httpserver.HTTPServer(application)
-    http_server.listen(5050 or os.environ['PORT'])
-    tornado.ioloop.IOLoop.current().start()
+def application(env, start_response):
+    start_response('200 OK', [('Content-Type','text/html')])
+    return [b"Hello World"]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index bd97c43..d470275 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1 @@
-tornado==4.2.1
-pillow
-
+uWSGI==2.0.18
diff --git a/runtime.txt b/runtime.txt
index c47075b..651f607 100644
--- a/runtime.txt
+++ b/runtime.txt
@@ -1 +1 @@
-python-2.7.9
+python-3.7.2
\ No newline at end of file
diff --git a/sinacloud-packages.txt b/sinacloud-packages.txt
new file mode 100644
index 0000000..c867c17
--- /dev/null
+++ b/sinacloud-packages.txt
@@ -0,0 +1 @@
+gcc-4.8
\ No newline at end of file