diff --git a/src/langbot/pkg/platform/sources/lark.py b/src/langbot/pkg/platform/sources/lark.py
index cf6b5398..dcb579f7 100644
--- a/src/langbot/pkg/platform/sources/lark.py
+++ b/src/langbot/pkg/platform/sources/lark.py
@@ -428,12 +428,11 @@ class LarkAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
     card_id_dict: dict[str, str]  # 消息id到卡片id的映射，便于创建卡片后的发送消息到指定卡片
 
     seq: int  # 用于在发送卡片消息中识别消息顺序，直接以seq作为标识
-    bot_uuid: str = None # 机器人UUID
+    bot_uuid: str = None  # 机器人UUID
 
     def __init__(self, config: dict, logger: abstract_platform_logger.AbstractEventLogger, **kwargs):
         quart_app = quart.Quart(__name__)
 
-        
         async def on_message(event: lark_oapi.im.v1.P2ImMessageReceiveV1):
             lb_event = await self.event_converter.target2yiri(event, self.api_client)
 
@@ -880,27 +879,57 @@ class LarkAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
             p2v1 = P2ImMessageReceiveV1()
             p2v1.header = context.header
             event = P2ImMessageReceiveV1Data()
-            event.message = EventMessage(context.event['message'])
-            event.sender = EventSender(context.event['sender'])
-            p2v1.event = event
-            p2v1.schema = context.schema
             if 'im.message.receive_v1' == type:
                 try:
+                    event.message = EventMessage(context.event['message'])
+                    event.sender = EventSender(context.event['sender'])
+                    p2v1.event = event
+                    p2v1.schema = context.schema
                     event = await self.event_converter.target2yiri(p2v1, self.api_client)
                 except Exception:
                     await self.logger.error(f'Error in lark callback: {traceback.format_exc()}')
 
                 if event.__class__ in self.listeners:
                     await self.listeners[event.__class__](event, self)
+            elif 'im.chat.member.bot.added_v1' == type:
+                try:
+                    bot_added_welcome_msg = self.config.get('bot_added_welcome', '')
+                    if bot_added_welcome_msg:
+                        final_content = {
+                            'zh_Hans': {
+                                'title': '',
+                                'content': bot_added_welcome_msg,
+                            },
+                        }
+                        chat_id = context.event['chat_id']
+                        request: CreateMessageRequest = (
+                            CreateMessageRequest.builder()
+                            .receive_id_type('chat_id')
+                            .request_body(
+                                CreateMessageRequestBody.builder()
+                                .receive_id(chat_id)
+                                .content(json.dumps(final_content))
+                                .msg_type('post')
+                                .uuid(str(uuid.uuid4()))
+                                .build()
+                            )
+                            .build()
+                        )
+                        response: CreateMessageResponse = self.api_client.im.v1.message.create(request)
+
+                        if not response.success():
+                            raise Exception(
+                                f'client.im.v1.message.create failed, code: {response.code}, msg: {response.msg}, log_id: {response.get_log_id()}, resp: \n{json.dumps(json.loads(response.raw.content), indent=4, ensure_ascii=False)}'
+                            )
+                except Exception:
+                    await self.logger.error(f'Error in lark callback: {traceback.format_exc()}')
 
             return {'code': 200, 'message': 'ok'}
         except Exception:
             await self.logger.error(f'Error in lark callback: {traceback.format_exc()}')
             return {'code': 500, 'message': 'error'}
 
-
     async def run_async(self):
-        port = self.config['port']
         enable_webhook = self.config['enable-webhook']
 
         if not enable_webhook:
@@ -915,24 +944,9 @@ class LarkAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
                 else:
                     raise e
         else:
-
             # 统一 webhook 模式下，不启动独立的 Quart 应用
             # 保持运行但不启动独立端口
 
-            # 打印 webhook 回调地址
-            if self.bot_uuid and hasattr(self.logger, 'ap'):
-                try:
-                    api_port = self.logger.ap.instance_config.data['api']['port']
-                    webhook_url = f'http://127.0.0.1:{api_port}/bots/{self.bot_uuid}'
-                    webhook_url_public = f'http://<Your-Public-IP>:{api_port}/bots/{self.bot_uuid}'
-
-                    await self.logger.info('Lark 机器人 Webhook 回调地址:')
-                    await self.logger.info(f'  本地地址: {webhook_url}')
-                    await self.logger.info(f'  公网地址: {webhook_url_public}')
-                    await self.logger.info('请在 Lark 机器人后台配置此回调地址')
-                except Exception as e:
-                    await self.logger.warning(f'无法生成 webhook URL: {e}')
-
             async def keep_alive():
                 while True:
                     await asyncio.sleep(1)
diff --git a/src/langbot/pkg/platform/sources/lark.yaml b/src/langbot/pkg/platform/sources/lark.yaml
index 547e6a0b..9343837d 100644
--- a/src/langbot/pkg/platform/sources/lark.yaml
+++ b/src/langbot/pkg/platform/sources/lark.yaml
@@ -65,6 +65,16 @@ spec:
       type: boolean
       required: true
       default: false
+    - name: bot_added_welcome
+      label:
+        en_US: Bot Welcome Message
+        zh_Hans: 机器人进群欢迎语
+      description:
+        en_US: Welcome message when the bot is added to a group, supports Markdown format
+        zh_Hans: 机器人进群欢迎语，支持 Markdown 格式
+      type: text
+      required: false
+      default: ""
 execution:
   python:
     path: ./lark.py