diff --git a/lark_oapi/api/message/__init__.py b/lark_oapi/api/message/__init__.py
new file mode 100644
index 000000000..6736ee239
--- /dev/null
+++ b/lark_oapi/api/message/__init__.py
@@ -0,0 +1 @@
+from utils.feishu.message import v4
diff --git a/lark_oapi/api/message/service.py b/lark_oapi/api/message/service.py
new file mode 100644
index 000000000..84dd8314f
--- /dev/null
+++ b/lark_oapi/api/message/service.py
@@ -0,0 +1,9 @@
+# Code generated by Lark OpenAPI.
+
+from lark_oapi.core.model import Config
+from utils.feishu.message.v4.version import V4
+
+
+class MessageService(object):
+    def __init__(self, config: Config) -> None:
+        self.v4: V4 = V4(config)
diff --git a/lark_oapi/api/message/v4/__init__.py b/lark_oapi/api/message/v4/__init__.py
new file mode 100644
index 000000000..e97cecf79
--- /dev/null
+++ b/lark_oapi/api/message/v4/__init__.py
@@ -0,0 +1 @@
+from utils.feishu.message.v4.model import *
diff --git a/lark_oapi/api/message/v4/model/__init__.py b/lark_oapi/api/message/v4/model/__init__.py
new file mode 100644
index 000000000..78c5b4847
--- /dev/null
+++ b/lark_oapi/api/message/v4/model/__init__.py
@@ -0,0 +1,4 @@
+from utils.feishu.message.v4.model.create_batch_send_request import *
+from utils.feishu.message.v4.model.create_batch_send_request_body import *
+from utils.feishu.message.v4.model.create_batch_send_response import *
+from utils.feishu.message.v4.model.create_batch_send_response_body import *
diff --git a/lark_oapi/api/message/v4/model/create_batch_send_request.py b/lark_oapi/api/message/v4/model/create_batch_send_request.py
new file mode 100644
index 000000000..665c04df2
--- /dev/null
+++ b/lark_oapi/api/message/v4/model/create_batch_send_request.py
@@ -0,0 +1,44 @@
+# Code generated by Lark OpenAPI.
+
+from typing import Optional
+
+from lark_oapi.core.enum import AccessTokenType, HttpMethod
+from lark_oapi.core.model import BaseRequest
+
+from utils.feishu.message.v4.model.create_batch_send_request_body import (
+    CreateBatchSendRequestBody,
+)
+
+
+class CreateBatchSendRequest(BaseRequest):
+    def __init__(self) -> None:
+        super().__init__()
+        self.receive_id_type: Optional[str] = None
+        self.request_body: Optional[CreateBatchSendRequestBody] = None
+
+    @staticmethod
+    def builder() -> "CreateBatchSendRequestBuilder":
+        return CreateBatchSendRequestBuilder()
+
+
+class CreateBatchSendRequestBuilder(object):
+
+    def __init__(self) -> None:
+        create_message_request = CreateBatchSendRequest()
+        create_message_request.http_method = HttpMethod.POST
+        create_message_request.uri = "/open-apis/message/v4/batch_send"
+        create_message_request.token_types = {
+            AccessTokenType.TENANT,
+            AccessTokenType.USER,
+        }
+        self._create_message_request: CreateBatchSendRequest = create_message_request
+
+    def request_body(
+        self, request_body: CreateBatchSendRequestBody
+    ) -> "CreateBatchSendRequestBuilder":
+        self._create_message_request.request_body = request_body
+        self._create_message_request.body = request_body
+        return self
+
+    def build(self) -> CreateBatchSendRequest:
+        return self._create_message_request
diff --git a/lark_oapi/api/message/v4/model/create_batch_send_request_body.py b/lark_oapi/api/message/v4/model/create_batch_send_request_body.py
new file mode 100644
index 000000000..a5fcb7788
--- /dev/null
+++ b/lark_oapi/api/message/v4/model/create_batch_send_request_body.py
@@ -0,0 +1,73 @@
+# Code generated by Lark OpenAPI.
+
+from typing import Iterable, Optional
+
+from lark_oapi.core.construct import init
+
+
+class CreateBatchSendRequestBody(object):
+    _types = {
+        "msg_type": str,
+        "content": dict,
+        "card": dict,
+        "department_ids": Iterable[str],
+        "open_ids": Iterable[str],
+        "bot_id_list": Iterable[str],
+        "user_ids": Iterable[str],
+        "union_ids": Iterable[str],
+    }
+
+    def __init__(self, d=None):
+        self.msg_type: Optional[str] = None
+        self.content: Optional[dict] = None
+        self.card: Optional[dict] = None
+        self.department_ids: Optional[Iterable[str]] = None
+        self.open_ids: Optional[Iterable[str]] = None
+        self.bot_id_list: Optional[Iterable[str]] = None
+        self.user_ids: Optional[Iterable[str]] = None
+        self.union_ids: Optional[Iterable[str]] = None
+        init(self, d, self._types)
+
+    @staticmethod
+    def builder() -> "CreateBatchSendRequestBodyBuilder":
+        return CreateBatchSendRequestBodyBuilder()
+
+
+class CreateBatchSendRequestBodyBuilder(object):
+    def __init__(self) -> None:
+        self._create_batch_send_request_body = CreateBatchSendRequestBody()
+
+    def msg_type(self, msg_type: str) -> "CreateBatchSendRequestBodyBuilder":
+        self._create_batch_send_request_body.msg_type = msg_type
+        return self
+
+    def content(self, content: dict) -> "CreateBatchSendRequestBodyBuilder":
+        self._create_batch_send_request_body.content = content
+        return self
+
+    def card(self, card: dict) -> "CreateBatchSendRequestBodyBuilder":
+        self._create_batch_send_request_body.card = card
+        return self
+
+    def department_ids(
+        self, department_ids: Iterable[str]
+    ) -> "CreateBatchSendRequestBodyBuilder":
+        self._create_batch_send_request_body.department_ids = department_ids
+        return self
+
+    def open_ids(self, open_ids: Iterable[str]) -> "CreateBatchSendRequestBodyBuilder":
+        self._create_batch_send_request_body.open_ids = open_ids
+        return self
+
+    def user_ids(self, user_ids: Iterable[str]) -> "CreateBatchSendRequestBodyBuilder":
+        self._create_batch_send_request_body.user_ids = user_ids
+        return self
+
+    def union_ids(
+        self, union_ids: Iterable[str]
+    ) -> "CreateBatchSendRequestBodyBuilder":
+        self._create_batch_send_request_body.union_ids = union_ids
+        return self
+
+    def build(self) -> "CreateBatchSendRequestBody":
+        return self._create_batch_send_request_body
diff --git a/lark_oapi/api/message/v4/model/create_batch_send_response.py b/lark_oapi/api/message/v4/model/create_batch_send_response.py
new file mode 100644
index 000000000..750e0618e
--- /dev/null
+++ b/lark_oapi/api/message/v4/model/create_batch_send_response.py
@@ -0,0 +1,19 @@
+# Code generated by Lark OpenAPI.
+
+from typing import Optional
+
+from lark_oapi.core.construct import init
+from lark_oapi.core.model import BaseResponse
+
+from utils.feishu.message.v4.model.create_batch_send_response_body import (
+    CreateBatchSendResponseBody,
+)
+
+
+class CreateBatchSendResponse(BaseResponse):
+    _types = {"data": CreateBatchSendResponseBody}
+
+    def __init__(self, d=None):
+        super().__init__(d)
+        self.data: Optional[CreateBatchSendResponseBody] = None
+        init(self, d, self._types)
diff --git a/lark_oapi/api/message/v4/model/create_batch_send_response_body.py b/lark_oapi/api/message/v4/model/create_batch_send_response_body.py
new file mode 100644
index 000000000..bf75ac664
--- /dev/null
+++ b/lark_oapi/api/message/v4/model/create_batch_send_response_body.py
@@ -0,0 +1,65 @@
+# Code generated by Lark OpenAPI.
+
+from typing import Iterable, Optional
+
+from lark_oapi.core.construct import init
+
+
+class CreateBatchSendResponseBody(object):
+    _types = {
+        "message_id": str,
+        "invalid_department_ids": Iterable[str],
+        "invalid_open_ids": Iterable[str],
+        "invalid_user_ids": Iterable[str],
+        "invalid_union_ids": Iterable[str],
+    }
+
+    def __init__(self, d=None):
+        self.message_id: Optional[str] = None
+        self.invalid_department_ids: Optional[Iterable[str]] = None
+        self.invalid_open_ids: Optional[Iterable[str]] = None
+        self.invalid_user_ids: Optional[Iterable[str]] = None
+        self.invalid_union_ids: Optional[Iterable[str]] = None
+        init(self, d, self._types)
+
+    @staticmethod
+    def builder() -> "CreateBatchSendResponseBodyBuilder":
+        return CreateBatchSendResponseBodyBuilder()
+
+
+class CreateBatchSendResponseBodyBuilder(object):
+    def __init__(self) -> None:
+        self._create_batch_send_response_body = CreateBatchSendResponseBody()
+
+    def message_id(self, message_id: str) -> "CreateBatchSendResponseBodyBuilder":
+        self._create_batch_send_response_body.message_id = message_id
+        return self
+
+    def invalid_department_ids(
+        self, invalid_department_ids: Iterable[str]
+    ) -> "CreateBatchSendResponseBodyBuilder":
+        self._create_batch_send_response_body.invalid_department_ids = (
+            invalid_department_ids
+        )
+        return self
+
+    def invalid_open_ids(
+        self, invalid_open_ids: Iterable[str]
+    ) -> "CreateBatchSendResponseBodyBuilder":
+        self._create_batch_send_response_body.invalid_open_ids = invalid_open_ids
+        return self
+
+    def invalid_user_ids(
+        self, invalid_user_ids: Iterable[str]
+    ) -> "CreateBatchSendResponseBodyBuilder":
+        self._create_batch_send_response_body.invalid_user_ids = invalid_user_ids
+        return self
+
+    def invalid_union_ids(
+        self, invalid_union_ids: Iterable[str]
+    ) -> "CreateBatchSendResponseBodyBuilder":
+        self._create_batch_send_response_body.invalid_union_ids = invalid_union_ids
+        return self
+
+    def build(self) -> "CreateBatchSendResponseBody":
+        return self._create_batch_send_response_body
diff --git a/lark_oapi/api/message/v4/resource/__init__.py b/lark_oapi/api/message/v4/resource/__init__.py
new file mode 100644
index 000000000..1310ffb65
--- /dev/null
+++ b/lark_oapi/api/message/v4/resource/__init__.py
@@ -0,0 +1 @@
+from utils.feishu.message.v4.resource.batch_send import *
diff --git a/lark_oapi/api/message/v4/resource/batch_send.py b/lark_oapi/api/message/v4/resource/batch_send.py
new file mode 100644
index 000000000..addb41a58
--- /dev/null
+++ b/lark_oapi/api/message/v4/resource/batch_send.py
@@ -0,0 +1,44 @@
+# Code generated by Lark OpenAPI.
+
+from typing import Optional
+
+from lark_oapi.core import JSON
+from lark_oapi.core.const import APPLICATION_JSON, CONTENT_TYPE, UTF_8
+from lark_oapi.core.http import Transport
+from lark_oapi.core.model import Config, RawResponse, RequestOption
+from lark_oapi.core.token import verify
+from utils.feishu.message.v4.model.create_batch_send_request import (
+    CreateBatchSendRequest,
+)
+from utils.feishu.message.v4.model.create_batch_send_response import (
+    CreateBatchSendResponse,
+)
+
+
+class BatchSend(object):
+    def __init__(self, config: Config) -> None:
+        self.config: Config = config
+
+    def create(
+        self, request: CreateBatchSendRequest, option: Optional[RequestOption] = None
+    ) -> CreateBatchSendResponse:
+        if option is None:
+            option = RequestOption()
+
+        # 鉴权、获取 token
+        verify(self.config, request, option)
+
+        # 添加 content-type
+        if request.body is not None:
+            option.headers[CONTENT_TYPE] = f"{APPLICATION_JSON}; charset=utf-8"
+
+        # 发起请求
+        resp: RawResponse = Transport.execute(self.config, request, option)
+
+        # 反序列化
+        response: CreateBatchSendResponse = JSON.unmarshal(
+            str(resp.content, UTF_8), CreateBatchSendResponse
+        )
+        response.raw = resp
+
+        return response
diff --git a/lark_oapi/api/message/v4/version.py b/lark_oapi/api/message/v4/version.py
new file mode 100644
index 000000000..412d0764b
--- /dev/null
+++ b/lark_oapi/api/message/v4/version.py
@@ -0,0 +1,6 @@
+from utils.feishu.message.v4.resource import *
+
+
+class V4(object):
+    def __init__(self, config: Config) -> None:
+        self.batch_send: BatchSend = BatchSend(config)
diff --git a/lark_oapi/client.py b/lark_oapi/client.py
index 28765aa29..d41ab16e3 100644
--- a/lark_oapi/client.py
+++ b/lark_oapi/client.py
@@ -61,6 +61,7 @@
 from .api.optical_char_recognition.service import OpticalCharRecognitionService
 from .api.attendance.service import AttendanceService
 from .api.event.service import EventService
+from .api.message.service import MessageService
 
 
 class Client(object):
@@ -119,12 +120,15 @@ def __init__(self) -> None:
         self.optical_char_recognition: Optional[OpticalCharRecognitionService] = None
         self.attendance: Optional[AttendanceService] = None
         self.event: Optional[EventService] = None
+        self.message: Optional[MessageService] = None
 
     @staticmethod
     def builder() -> "ClientBuilder":
         return ClientBuilder()
 
-    def request(self, request: BaseRequest, option: Optional[RequestOption] = None) -> BaseResponse:
+    def request(
+        self, request: BaseRequest, option: Optional[RequestOption] = None
+    ) -> BaseResponse:
         if option is None:
             option = RequestOption()
 
@@ -145,7 +149,9 @@ def request(self, request: BaseRequest, option: Optional[RequestOption] = None)
 
         return resp
 
-    async def arequest(self, request: BaseRequest, option: Optional[RequestOption] = None) -> BaseResponse:
+    async def arequest(
+        self, request: BaseRequest, option: Optional[RequestOption] = None
+    ) -> BaseResponse:
         if option is None:
             option = RequestOption()
 
@@ -274,7 +280,7 @@ def build(self) -> Client:
         client.optical_char_recognition = OpticalCharRecognitionService(self._config)
         client.attendance = AttendanceService(self._config)
         client.event = EventService(self._config)
-
+        client.message = MessageService(self._config)
         return client
 
     def _init_cache(self):