diff --git a/examples/__init__.py b/examples/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/examples/apiflask_demo/__init__.py b/examples/apiflask_demo/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/examples/nameko_demo/__init__.py b/examples/nameko_demo/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/examples/nameko_demo/config.yml b/examples/nameko_demo/config.yml
deleted file mode 100644
index acf0bf2..0000000
--- a/examples/nameko_demo/config.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-AMQP_URI: pyamqp://${RABBIT_USER:guest}:${RABBIT_PASSWORD:guest}@${RABBIT_HOST:localhost}:${RABBIT_PORT:5672}/
-RPC_EXCHANGE: 'nameko-rpc'
-
-max_workers: 10
-parent_calls_tracked: 20
-
-LOGGING:
-    version: 1
-    formatters:
-        tracer:
-            (): nameko_tracer.formatters.PrettyJSONFormatter
-    handlers:
-        tracer:
-            class: logging.StreamHandler
-            formatter: tracer
-    loggers:
-        nameko_tracer:
-            level: INFO
-            handlers: [tracer]
-
-SENTRY:
-    DSN: "xxxx"
-    CLIENT_CONFIG:
-        site: "my site name"
\ No newline at end of file
diff --git a/examples/nameko_demo/demo.py b/examples/nameko_demo/demo.py
deleted file mode 100644
index 819e668..0000000
--- a/examples/nameko_demo/demo.py
+++ /dev/null
@@ -1,48 +0,0 @@
-import json
-import datetime
-import requests
-from nameko.web.handlers import http
-from nameko.timer import timer
-from statsd import StatsClient
-from circuitbreaker import circuit
-from chassis.chassis import init_logger, init_statsd, init_sentry
-from config.config import Config
-
-
-class DemoChassisService:
-    name = "demo_chassis_service"
-
-    sentry = init_sentry()
-    statsd = init_statsd(Config.STATSD_PERMISSION_PREFIX, Config.STATSD_HOST, Config.STATSD_PORT)
-    logger = init_logger()
-
-    @http('GET', '/health')
-    @statsd.timer('health')
-    def health(self, _request):
-        return json.dumps({'ok': datetime.datetime.utcnow().__str__()})
-
-    @http('GET', '/external')
-    @circuit(failure_threshold=5, expected_exception=ConnectionError)
-    @statsd.timer('external')
-    def external_request(self, _request):
-        response = requests.get('https://jsonplaceholder.typicode.com/posts/1')
-        return json.dumps({'code': response.status_code, 'body': response.text})
-
-    @http('GET', '/error')
-    @circuit(failure_threshold=5, expected_exception=ZeroDivisionError)
-    @statsd.timer('http_error')
-    def error_http_request(self):
-        return json.dumps({1 / 0})
-
-
-class HealthCheckService:
-    name = "health_check_service"
-
-    statsd = StatsClient('localhost', 8125, prefix='simplebank-nameko_demo')
-
-    @timer(interval=10)
-    @statsd.timer('check_demo_service')
-    def check_demo_service(self):
-        response = requests.get('http://0.0.0.0:8000/health')
-        print("DemoChassisService HEALTH CHECK: status_code {}, response: {}".format(
-            response.status_code, response.text))
diff --git a/examples/nameko_demo/events_demo.py b/examples/nameko_demo/events_demo.py
deleted file mode 100644
index be5195e..0000000
--- a/examples/nameko_demo/events_demo.py
+++ /dev/null
@@ -1,41 +0,0 @@
-from nameko.events import BROADCAST, EventDispatcher, event_handler
-from nameko.rpc import rpc
-from nameko.timer import timer
-
-
-class EventPublisherService:
-    name = "publisher_service"
-
-    dispatch = EventDispatcher()
-
-    @rpc
-    def publish(self, event_type, payload):
-        self.dispatch(event_type, payload)
-
-
-class AnEventListenerService:
-    name = "an_event_listener_service"
-
-    @event_handler("publisher_service", "an_event")
-    def consume_an_event(self, payload):
-        print("service {} received:".format(self.name), payload)
-
-
-class AnotherEventListenerService:
-    name = "another_event_listener_service"
-
-    @event_handler("publisher_service", "another_event")
-    def consume_another_event(self, payload):
-        print("service {} received:".format(self.name), payload)
-
-
-class ListenBothEventsService:
-    name = "listen_both_events_service"
-
-    @event_handler("publisher_service", "an_event")
-    def consume_an_event(self, payload):
-        print("service {} received:".format(self.name), payload)
-
-    @event_handler("publisher_service", "another_event")
-    def consume_another_event(self, payload):
-        print("service {} received:".format(self.name), payload)
diff --git a/examples/nameko_demo/http_demo.py b/examples/nameko_demo/http_demo.py
deleted file mode 100644
index 25e4b3a..0000000
--- a/examples/nameko_demo/http_demo.py
+++ /dev/null
@@ -1,25 +0,0 @@
-import json
-from nameko.web.handlers import http
-from werkzeug.wrappers import Response
-from nameko_sentry import SentryReporter
-
-
-class HttpDemoService:
-    name = "http_demo_service"
-    sentry = SentryReporter()
-
-    @http("GET", "/broken")
-    def broken(self, request):
-        raise ConnectionRefusedError()
-
-    @http('GET', '/books/<string:uuid>')
-    def demo_get(self, request, uuid):
-        data = {'id': uuid, 'title': 'The unbearable lightness of being',
-                'author': 'Milan Kundera'}
-        return Response(json.dumps({'book': data}),
-                        mimetype='application/json')
-
-    @http('POST', '/books')
-    def demo_post(self, request):
-        return Response(json.dumps({'book': request.data.decode()}),
-                        mimetype='application/json')
diff --git a/examples/nameko_demo/requirements.txt b/examples/nameko_demo/requirements.txt
deleted file mode 100644
index cebedab..0000000
--- a/examples/nameko_demo/requirements.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-nameko==2.14.1
-nameko-tracer==1.4.0
-logstash_formatter==0.5.17
-statsd==4.0.1
-gutter==0.5.0
-nameko-sentry==1.0.0
-tenacity==8.2.2
-cachetools==5.3.0
-circuitbreaker==2.0.0
-
-
-# pyopenssl==23.1.1
\ No newline at end of file
diff --git a/examples/nameko_demo/rpc_demo.py b/examples/nameko_demo/rpc_demo.py
deleted file mode 100644
index 843d1a7..0000000
--- a/examples/nameko_demo/rpc_demo.py
+++ /dev/null
@@ -1,20 +0,0 @@
-from nameko.rpc import rpc, ServiceRpc
-
-
-class RpcResponderDemoService:
-    name = "rpc_responder_demo_service"
-
-    @rpc
-    def hello(self, name):
-        return "Hello, {}!".format(name)
-
-
-class RpcCallerDemoService:
-    name = "rpc_caller_demo_service"
-
-    remote = ServiceRpc("rpc_responder_demo_service")
-
-    @rpc
-    def remote_hello(self, value="John Doe"):
-        res = u"{}".format(value)
-        return self.remote.hello(res)
diff --git a/examples/timer_demo/__init__.py b/examples/timer_demo/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/examples/timer_demo/timer.py b/examples/timer_demo/timer.py
deleted file mode 100644
index 238705a..0000000
--- a/examples/timer_demo/timer.py
+++ /dev/null
@@ -1,13 +0,0 @@
-from rocketry import Rocketry
-from rocketry.conds import daily
-
-app = Rocketry()
-
-
-@app.task(daily)
-def do_daily():
-    print('日常任务')
-
-
-if __name__ == '__main__':
-    app.run()
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index e69de29..0000000