diff --git a/python/sqlalchemy/README.md b/python/sqlalchemy/README.md
index 15de920..32832e2 100644
--- a/python/sqlalchemy/README.md
+++ b/python/sqlalchemy/README.md
@@ -59,14 +59,13 @@ obd demo
 username = 'root' # 「账号管理」页面创建的账号
 password = '' # 「账号管理」页面创建的账号密码
 host = 'localhost' # 「数据库实例」页面开通的公网地址
-port = '3306' # 无需改动
+port = '2881' # OceanBase 端口号
 database = 'test' # 「数据库管理」页面创建的数据库
 ```
 
 修改代码中的连接信息，在命令行进入到 `python/sqlalchemy` 目录，直接执行 `python example.py` 运行示例代码，输出结果如下：
 
 ```
-<User(name=HelloGitHub, age=9)>
 <User(name=Alice, age=30)>
 <User(name=Bob, age=25)>
 <User(name=Alice, age=30)>
diff --git a/python/sqlalchemy/demo/db/base.py b/python/sqlalchemy/demo/db/base.py
index 79ae567..68a6cc9 100644
--- a/python/sqlalchemy/demo/db/base.py
+++ b/python/sqlalchemy/demo/db/base.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
 #
-#   Author  :   XueWeiHan
-#   E-mail  :   595666367@qq.com
 #   Date    :   2024-05-29 14:28
 #   Desc    :   SQLAlchemy 引擎和 OceanBase 基表定义
 from contextlib import contextmanager
diff --git a/python/sqlalchemy/demo/db/config.py b/python/sqlalchemy/demo/db/config.py
index 98f069f..abb3864 100644
--- a/python/sqlalchemy/demo/db/config.py
+++ b/python/sqlalchemy/demo/db/config.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
 #
-#   Author  :   XueWeiHan
-#   E-mail  :   595666367@qq.com
 #   Date    :   2024-05-29 14:28
 #   Desc    :   配置文件
 
@@ -15,7 +13,7 @@ def oceanbase_db_url():
         username = 'root'
         password = ''
         host = 'localhost'
-        port = '3306'
+        port = '2881'
         database = 'test'
         db_url = 'mysql+pymysql://{username}:{password}@{host}:{port}/{database}'.format(
             username=username, password=password, host=host, port=port, database=database)
diff --git a/python/sqlalchemy/demo/db/curd.py b/python/sqlalchemy/demo/db/curd.py
index 6720f52..c3260a9 100644
--- a/python/sqlalchemy/demo/db/curd.py
+++ b/python/sqlalchemy/demo/db/curd.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
 #
-#   Author  :   XueWeiHan
-#   E-mail  :   595666367@qq.com
 #   Date    :   2024-05-29 14:28
 #   Desc    :   操作表的数据
 from sqlalchemy.orm import Session
diff --git a/python/sqlalchemy/demo/db/models.py b/python/sqlalchemy/demo/db/models.py
index de5ccf2..50eaa4b 100644
--- a/python/sqlalchemy/demo/db/models.py
+++ b/python/sqlalchemy/demo/db/models.py
@@ -1,8 +1,6 @@
 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
 #
-#   Author  :   XueWeiHan
-#   E-mail  :   595666367@qq.com
 #   Date    :   2024-05-29 14:28
 #   Desc    :   配置文件
 from sqlalchemy import Column, Integer, VARCHAR
diff --git a/python/sqlalchemy/demo/main.py b/python/sqlalchemy/demo/main.py
index a5633ba..6a9eb98 100644
--- a/python/sqlalchemy/demo/main.py
+++ b/python/sqlalchemy/demo/main.py
@@ -1,7 +1,5 @@
 # -*- coding:utf-8 -*-
 #
-#   Author  :   XueWeiHan
-#   E-mail  :   595666367@qq.com
 #   Date    :   2024-05-29 14:28
 #   Desc    :   运行入口
 from db.base import get_db
diff --git a/python/sqlalchemy/example.py b/python/sqlalchemy/example.py
index 30b1ce2..e00a632 100644
--- a/python/sqlalchemy/example.py
+++ b/python/sqlalchemy/example.py
@@ -7,7 +7,7 @@
 username = 'root'
 password = ''
 host = 'localhost'
-port = '3306'
+port = '2881'
 database = 'test'
 
 # 创建一个 SQLAlchemy 引擎，连接到 OceanBase 数据库