diff --git a/.gitignore b/.gitignore
index fe78eb8..1c3d044 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 __pycache__/
-票据理赔自动化/.DS_Store
 .DS_Store
 .gitignore
diff --git a/utils/authenticator.py b/utils/authenticator.py
index 24497cb..b2ba0a4 100644
--- a/utils/authenticator.py
+++ b/utils/authenticator.py
@@ -54,7 +54,7 @@ class Authenticator:
                 f"初始化所有服务商的访问凭证发生异常：{str(exception)}"
             ) from exception
 
-        # 初始化请求客户端
+        # 实例化请求客户端
         self.request = Request()
 
     def get_token(self, servicer: str) -> Optional[str]:
@@ -101,7 +101,6 @@ class Authenticator:
                         fp=file,
                         ensure_ascii=False,
                     )
-
             return token
 
     def _refresh_inspirvision_certification(self) -> Tuple[str, float]:
@@ -167,4 +166,4 @@ class Authenticator:
         return (
             response["tenant_access_token"],
             time.time() + response["expire"],
-        )
+        )  # https://open.feishu.cn/document/server-docs/api-call-guide/calling-process/get-access-token 飞书获取访问凭证接口
diff --git a/utils/feishu.py b/utils/feishu.py
index 4e693d3..87075e8 100644
--- a/utils/feishu.py
+++ b/utils/feishu.py
@@ -8,8 +8,8 @@ from email.policy import default
 from email.utils import parsedate_to_datetime
 from imaplib import IMAP4_SSL
 import re
-import time
-from typing import Dict, Any
+from time import sleep, time
+from typing import Any, Dict
 
 import pandas
 
@@ -21,9 +21,9 @@ class Feishu:
     """飞书客户端"""
 
     def __init__(self):
-        # 初始化认证器
+        # 实例化认证器
         self.authenticator = Authenticator()
-        # 初始化请求客户端
+        # 实例化请求客户端
         self.http_client = Request()
 
     def _get_headers(self) -> Dict[str, Any]:
@@ -36,23 +36,19 @@ class Feishu:
     @staticmethod
     def get_verification_code():
         try:
-            # 执行时间戳
-            execute_timestamp = time.time()
-            # 超时时间戳
-            timeout_timestamp = execute_timestamp + 65
+            # 当前时间戳
+            current_timestamp = time()
+
             # 建立加密IMAP连接
-            server = IMAP4_SSL("imap.feishu.cn", 993)
+            connection = IMAP4_SSL(host="imap.feishu.cn", port=993)
             # 登录
-            server.login("mars@liubiren.cloud", "a2SfPUgbKDmrjPV2")
+            connection.login(user="mars@liubiren.cloud", password="aJBZSZzhQN13M11K")
 
             while True:
-                # 若当前时间戳大于超时时间戳则返回NONE
-                if time.time() <= timeout_timestamp:
-                    # 等待10秒
-                    time.sleep(10)
-                    # 选择文件夹（邮箱验证码）
-                    server.select("&kK57sZqMi8F4AQ-")
-                    # noinspection PyBroadException
+                if time() <= current_timestamp + 120:
+                    sleep(5)
+                    # 选择邮箱文件夹（邮箱验证码）
+                    connection.select(mailbox="&kK57sZqMi8F4AQ-")
                     try:
                         # 获取最后一封邮件索引，server.search()返回数据类型为元组，第一个元素为查询状态，第二个元素为查询结果（邮件索引字节串的列表）；然后，从列表获取字节串并分割取最后一个，作为最后一封邮件索引
                         index = server.search(None, "ALL")[1][0].split()[-1]
@@ -132,7 +128,7 @@ class Feishu:
 
             response = self.http_client.post(
                 url=url_next,
-                headers=self._headers(),
+                headers=self._get_headers(),
                 json={"field_names": field_names, "filter": filter_conditions},
             )