diff --git a/lark_oapi/core/http/transport.py b/lark_oapi/core/http/transport.py
index e4a869bf4..e427f63fc 100644
--- a/lark_oapi/core/http/transport.py
+++ b/lark_oapi/core/http/transport.py
@@ -1,19 +1,31 @@
+"""
+Transport module for Feishu API requests.
+"""
+
 import json
+from typing import Dict, Optional
 
 import httpx
 import requests
-from requests_toolbelt import MultipartEncoder
-
-from lark_oapi.core.const import *
+from lark_oapi.core.const import AUTHORIZATION, PROJECT, USER_AGENT, UTF_8, VERSION
 from lark_oapi.core.json import JSON
 from lark_oapi.core.log import logger
-from lark_oapi.core.model import *
+from lark_oapi.core.model import (
+    AccessTokenType,
+    BaseRequest,
+    Config,
+    RawResponse,
+    RequestOption,
+)
+from requests_toolbelt import MultipartEncoder
 
 
 class Transport(object):
 
     @staticmethod
-    def execute(conf: Config, req: BaseRequest, option: Optional[RequestOption] = None) -> RawResponse:
+    def execute(
+        conf: Config, req: BaseRequest, option: Optional[RequestOption] = None
+    ) -> RawResponse:
         if option is None:
             option = RequestOption()
 
@@ -34,12 +46,15 @@ def execute(conf: Config, req: BaseRequest, option: Optional[RequestOption] = No
             params=req.queries,
             data=data,
             timeout=conf.timeout,
+            proxies=conf.proxies,
         )
 
-        logger.debug(f"{str(req.http_method.name)} {url} {response.status_code}, "
-                     f"headers: {JSON.marshal(headers)}, "
-                     f"params: {JSON.marshal(req.queries)}, "
-                     f"body: {str(data, UTF_8) if isinstance(data, bytes) else data}")
+        logger.debug(
+            f"{str(req.http_method.name)} {url} {response.status_code}, "
+            f"headers: {JSON.marshal(headers)}, "
+            f"params: {JSON.marshal(req.queries)}, "
+            f"body: {str(data, UTF_8) if isinstance(data, bytes) else data}"
+        )
 
         resp = RawResponse()
         resp.status_code = response.status_code
@@ -49,7 +64,9 @@ def execute(conf: Config, req: BaseRequest, option: Optional[RequestOption] = No
         return resp
 
     @staticmethod
-    async def aexecute(conf: Config, req: BaseRequest, option: Optional[RequestOption] = None) -> RawResponse:
+    async def aexecute(
+        conf: Config, req: BaseRequest, option: Optional[RequestOption] = None
+    ) -> RawResponse:
         if option is None:
             option = RequestOption()
 
@@ -79,6 +96,7 @@ async def aexecute(conf: Config, req: BaseRequest, option: Optional[RequestOptio
                 data=data,
                 files=files,
                 timeout=conf.timeout,
+                # TODO: Add proxy support if needed
             )
 
             logger.debug(
diff --git a/lark_oapi/core/model/config.py b/lark_oapi/core/model/config.py
index c98ceaca2..0673a2993 100644
--- a/lark_oapi/core/model/config.py
+++ b/lark_oapi/core/model/config.py
@@ -1,4 +1,4 @@
-from typing import Optional
+from typing import Dict, Optional
 
 from lark_oapi.core import AppType, LogLevel
 from lark_oapi.core.cache import ICache
@@ -11,7 +11,12 @@ def __init__(self) -> None:
         self.app_secret: Optional[str] = None
         self.domain: str = FEISHU_DOMAIN  # 域名, 默认为 https://open.feishu.cn
         self.timeout: Optional[float] = None  # 客户端超时时间, 单位秒, 默认永不超时
-        self.app_type: AppType = AppType.SELF  # 应用类型, 默认为自建应用; 若设为 ISV 需在 request_option 中配置 tenant_key
-        self.enable_set_token: bool = False  # 是否允许手动设置 token, 默认不开启; 开启后需在 request_option 中配置 token
+        self.app_type: AppType = (
+            AppType.SELF
+        )  # 应用类型, 默认为自建应用; 若设为 ISV 需在 request_option 中配置 tenant_key
+        self.enable_set_token: bool = (
+            False  # 是否允许手动设置 token, 默认不开启; 开启后需在 request_option 中配置 token
+        )
         self.cache: Optional[ICache] = None  # 自定义缓存, 默认使用预置的本地缓存
         self.log_level: LogLevel = LogLevel.WARNING  # 日志级别, 默认为 WARNING
+        self.proxies: Optional[Dict[str, str]] = None  # 代理设置, 默认为 None