diff --git a/README.md b/README.md
index 436b663..911c6b1 100644
--- a/README.md
+++ b/README.md
@@ -39,8 +39,8 @@ Wechaty is a RPA SDK for Wechat **Individual** Account that can help you create
     ```sh
     # examples/ding-dong-bot.py : func-> main()
     # it must be donut token
-    export WECHATY_PUPPET=wechaty-puppet-hostie
-    export WECHATY_PUPPET_HOSTIE_TOKEN=your_token_at_here
+    export WECHATY_PUPPET=wechaty-puppet-service
+    export WECHATY_PUPPET_SERVICE_TOKEN=your_token_at_here
     ```
 
 4. Run the bot
diff --git a/examples/advanced/friendship-bot.py b/examples/advanced/friendship-bot.py
index f53d94b..81e4b8a 100644
--- a/examples/advanced/friendship-bot.py
+++ b/examples/advanced/friendship-bot.py
@@ -71,11 +71,11 @@ async def on_login(self, contact: Contact):
 
 async def main():
     """Async Main Entry"""
-    if 'WECHATY_PUPPET_HOSTIE_TOKEN' not in os.environ:
+    if 'WECHATY_PUPPET_SERVICE_TOKEN' not in os.environ:
         print('''
-            Error: WECHATY_PUPPET_HOSTIE_TOKEN is not found in the environment variables
+            Error: WECHATY_PUPPET_SERVICE_TOKEN is not found in the environment variables
             You need a TOKEN to run the Java Wechaty. Please goto our README for details
-            https://github.com/wechaty/python-wechaty-getting-started/#wechaty_puppet_hostie_token
+            https://github.com/wechaty/python-wechaty-getting-started/#wechaty_puppet_service_token
         ''')
 
     global bot
diff --git a/examples/advanced/room-inviter-bot.py b/examples/advanced/room-inviter-bot.py
new file mode 100644
index 0000000..e69de29
diff --git a/examples/advanced/scheduler-bot.py b/examples/advanced/scheduler-bot.py
index 3b3669f..b26faa6 100644
--- a/examples/advanced/scheduler-bot.py
+++ b/examples/advanced/scheduler-bot.py
@@ -64,11 +64,11 @@ async def tick(bot: Wechaty):
 
 async def main():
     """Async Main Entry"""
-    if 'WECHATY_PUPPET_HOSTIE_TOKEN' not in os.environ:
+    if 'WECHATY_PUPPET_SERVICE_TOKEN' not in os.environ:
         print('''
-            Error: WECHATY_PUPPET_HOSTIE_TOKEN is not found in the environment variables
+            Error: WECHATY_PUPPET_SERVICE_TOKEN is not found in the environment variables
             You need a TOKEN to run the Java Wechaty. Please goto our README for details
-            https://github.com/wechaty/python-wechaty-getting-started/#wechaty_puppet_hostie_token
+            https://github.com/wechaty/python-wechaty-getting-started/#wechaty_puppet_service_token
         ''')
 
     global bot
diff --git a/examples/ding-dong-bot.py b/examples/ding-dong-bot.py
index de4e5aa..62523c1 100755
--- a/examples/ding-dong-bot.py
+++ b/examples/ding-dong-bot.py
@@ -59,13 +59,13 @@ async def main():
     Async Main Entry
     """
     #
-    # Make sure we have set WECHATY_PUPPET_HOSTIE_TOKEN in the environment variables.
+    # Make sure we have set WECHATY_PUPPET_SERVICE_TOKEN in the environment variables.
     #
-    if 'WECHATY_PUPPET_HOSTIE_TOKEN' not in os.environ:
+    if 'WECHATY_PUPPET_SERVICE_TOKEN' not in os.environ:
         print('''
-            Error: WECHATY_PUPPET_HOSTIE_TOKEN is not found in the environment variables
+            Error: WECHATY_PUPPET_SERVICE_TOKEN is not found in the environment variables
             You need a TOKEN to run the Java Wechaty. Please goto our README for details
-            https://github.com/wechaty/python-wechaty-getting-started/#wechaty_puppet_hostie_token
+            https://github.com/wechaty/python-wechaty-getting-started/#wechaty_puppet_service_token
         ''')
 
     bot = Wechaty()
diff --git a/examples/professional/feishu/echo_bot.py b/examples/professional/feishu/echo_bot.py
new file mode 100644
index 0000000..695c3e5
--- /dev/null
+++ b/examples/professional/feishu/echo_bot.py
@@ -0,0 +1,137 @@
+#!/usr/bin/env python
+# --coding:utf-8--
+
+from http.server import BaseHTTPRequestHandler, HTTPServer
+from os import path
+import os
+import json
+from urllib import request, parse
+
+
+APP_ID = os.getenv('FEISHU_APP_ID')
+APP_SECRET = os.getenv("FEISHU_APP_SECRET")
+APP_VERIFICATION_TOKEN = os.getenv("FEISHU_APP_VERIFICATION_TOKEN")
+
+class RequestHandler(BaseHTTPRequestHandler):
+    def do_POST(self):
+        # 解析请求 body
+        req_body = self.rfile.read(int(self.headers['content-length']))
+        obj = json.loads(req_body.decode("utf-8"))
+        print(req_body)
+
+        # 校验 verification token 是否匹配，token 不匹配说明该回调并非来自开发平台
+        token = obj.get("token", "")
+        if token != APP_VERIFICATION_TOKEN:
+            print("verification token not match, token =", token)
+            self.response("")
+            return
+
+        # 根据 type 处理不同类型事件
+        type = obj.get("type", "")
+        if "url_verification" == type:  # 验证请求 URL 是否有效
+            self.handle_request_url_verify(obj)
+        elif "event_callback" == type:  # 事件回调
+            # 获取事件内容和类型，并进行相应处理，此处只关注给机器人推送的消息事件
+            event = obj.get("event")
+            if event.get("type", "") == "message":
+                self.handle_message(event)
+                return
+        return
+
+    def handle_request_url_verify(self, post_obj):
+        # 原样返回 challenge 字段内容
+        challenge = post_obj.get("challenge", "")
+        rsp = {'challenge': challenge}
+        self.response(json.dumps(rsp))
+        return
+
+    def handle_message(self, event):
+        # 此处只处理 text 类型消息，其他类型消息忽略
+        msg_type = event.get("msg_type", "")
+        if msg_type != "text":
+            print("unknown msg_type =", msg_type)
+            self.response("")
+            return
+
+        # 调用发消息 API 之前，先要获取 API 调用凭证：tenant_access_token
+        access_token = self.get_tenant_access_token()
+        if access_token == "":
+            self.response("")
+            return
+
+        # 机器人 echo 收到的消息
+        if event.get('text') == 'ding':
+            self.send_message(access_token, event.get("open_id"), 'dong')
+        self.response("")
+        return
+
+    def response(self, body):
+        self.send_response(200)
+        self.send_header('Content-Type', 'application/json')
+        self.end_headers()
+        self.wfile.write(body.encode())
+
+    def get_tenant_access_token(self):
+        url = "https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal/"
+        headers = {
+            "Content-Type" : "application/json"
+        }
+        req_body = {
+            "app_id": APP_ID,
+            "app_secret": APP_SECRET
+        }
+
+        data = bytes(json.dumps(req_body), encoding='utf8')
+        req = request.Request(url=url, data=data, headers=headers, method='POST')
+        try:
+            response = request.urlopen(req)
+        except Exception as e:
+            print(e.read().decode())
+            return ""
+
+        rsp_body = response.read().decode('utf-8')
+        rsp_dict = json.loads(rsp_body)
+        code = rsp_dict.get("code", -1)
+        if code != 0:
+            print("get tenant_access_token error, code =", code)
+            return ""
+        return rsp_dict.get("tenant_access_token", "")
+
+    def send_message(self, token, open_id, text):
+        url = "https://open.feishu.cn/open-apis/message/v4/send/"
+
+        headers = {
+            "Content-Type": "application/json",
+            "Authorization": "Bearer " + token
+        }
+        req_body = {
+            "open_id": open_id,
+            "msg_type": "text",
+            "content": {
+                "text": text
+            }
+        }
+
+        data = bytes(json.dumps(req_body), encoding='utf8')
+        req = request.Request(url=url, data=data, headers=headers, method='POST')
+        try:
+            response = request.urlopen(req)
+        except Exception as e:
+            print(e.read().decode())
+            return
+
+        rsp_body = response.read().decode('utf-8')
+        rsp_dict = json.loads(rsp_body)
+        code = rsp_dict.get("code", -1)
+        if code != 0:
+            print("send message error, code = ", code, ", msg =", rsp_dict.get("msg", ""))
+
+def run():
+    port = 8000
+    server_address = ('', port)
+    httpd = HTTPServer(server_address, RequestHandler)
+    print("start.....")
+    httpd.serve_forever()
+
+if __name__ == '__main__':
+    run()
diff --git a/examples/professional/tencentaiplat/tencentai_bot.py b/examples/professional/tencentaiplat/tencentai_bot.py
index ebaba96..3df38fd 100644
--- a/examples/professional/tencentaiplat/tencentai_bot.py
+++ b/examples/professional/tencentaiplat/tencentai_bot.py
@@ -3,7 +3,6 @@
 from typing import Optional, Union
 
 from wechaty_puppet import PuppetOptions, FileBox  # type: ignore
-from wechaty_puppet_hostie import HostiePuppet  # type: ignore
 
 from wechaty import Wechaty, Contact
 from wechaty.user import Message, Room
diff --git a/requirements.txt b/requirements.txt
index b6f64f1..06cb9ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 wechaty~=0.6
+wechaty-puppet-service~=0.5.0dev
\ No newline at end of file
diff --git a/tests/smoke_testing_test.py b/tests/smoke_testing_test.py
index 6853794..1803452 100644
--- a/tests/smoke_testing_test.py
+++ b/tests/smoke_testing_test.py
@@ -13,6 +13,6 @@
 
 def test_smoke_testing() -> None:
     """ wechaty """
-    # os.environ['WECHATY_PUPPET_HOSTIE_TOKEN'] = 'test'
+    # os.environ['WECHATY_PUPPET_SERVICE_TOKEN'] = 'test'
     # bot = Wechaty()
     assert Wechaty, 'should be imported successfully'