diff --git a/config.py b/config.py
index 48d7751..497c52b 100644
--- a/config.py
+++ b/config.py
@@ -49,6 +49,8 @@ def get_config():
 
 class AppConfig:
     def __init__(self):
+        self.host = '127.0.0.1'
+        self.port = 12450
         self.database_url = 'sqlite:///data/database.db'
         self.tornado_xheaders = False
         self.loader_url = ''
@@ -78,6 +80,8 @@ class AppConfig:
 
     def _load_app_config(self, config: configparser.ConfigParser):
         app_section = config['app']
+        self.host = app_section.get('host', self.host)
+        self.port = app_section.getint('port', fallback=self.port)
         self.database_url = app_section.get('database_url', self.database_url)
         self.tornado_xheaders = app_section.getboolean('tornado_xheaders', fallback=self.tornado_xheaders)
         self.loader_url = app_section.get('loader_url', self.loader_url)
diff --git a/data/config.example.ini b/data/config.example.ini
index 3ac3d42..f02754d 100644
--- a/data/config.example.ini
+++ b/data/config.example.ini
@@ -2,6 +2,11 @@
 # If you want to modify the configuration, copy this file and rename it to "config.ini" and edit
 
 [app]
+# 服务器监听的地址
+# The address the server listens on
+host = 127.0.0.1
+port = 12450
+
 # 数据库配置，见 https://docs.sqlalchemy.org/en/20/core/engines.html#database-urls
 # See https://docs.sqlalchemy.org/en/20/core/engines.html#database-urls
 database_url = sqlite:///data/database.db
diff --git a/main.py b/main.py
index 31937aa..bdf4d9b 100644
--- a/main.py
+++ b/main.py
@@ -53,8 +53,8 @@ def main():
 
 def parse_args():
     parser = argparse.ArgumentParser(description='用于OBS的仿YouTube风格的bilibili直播评论栏')
-    parser.add_argument('--host', help='服务器host，默认为127.0.0.1', default='127.0.0.1')
-    parser.add_argument('--port', help='服务器端口，默认为12450', type=int, default=12450)
+    parser.add_argument('--host', help='服务器host，默认和配置中的一样', default=None)
+    parser.add_argument('--port', help='服务器端口，默认和配置中的一样', type=int, default=None)
     parser.add_argument('--debug', help='调试模式', action='store_true')
     return parser.parse_args()
 
@@ -77,13 +77,18 @@ def init_logging(debug):
 
 
 def run_server(host, port, debug):
+    cfg = config.get_config()
+    if host is None:
+        host = cfg.host
+    if port is None:
+        port = cfg.port
+
     app = tornado.web.Application(
         routes,
         websocket_ping_interval=10,
         debug=debug,
         autoreload=False
     )
-    cfg = config.get_config()
     try:
         app.listen(
             port,