diff --git a/log/.gitkeep b/log/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/main.py b/main.py
index 6bb7dad..d6d2641 100644
--- a/main.py
+++ b/main.py
@@ -2,6 +2,7 @@
 
 import argparse
 import logging
+import logging.handlers
 import os
 import webbrowser
 
@@ -18,7 +19,9 @@ import update
 
 logger = logging.getLogger(__name__)
 
-WEB_ROOT = os.path.join(os.path.dirname(__file__), 'frontend', 'dist')
+BASE_PATH = os.path.dirname(os.path.realpath(__file__))
+WEB_ROOT = os.path.join(BASE_PATH, 'frontend', 'dist')
+LOG_FILE_NAME = os.path.join(BASE_PATH, 'log', 'blivechat.log')
 
 routes = [
     (r'/api/server_info', api.main.ServerInfoHandler),
@@ -47,7 +50,7 @@ def main():
 
 
 def parse_args():
-    parser = argparse.ArgumentParser(description='用于OBS的仿YouTube风格的bilibili直播聊天层')
+    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('--debug', help='调试模式', action='store_true')
@@ -55,11 +58,16 @@ def parse_args():
 
 
 def init_logging(debug):
+    stream_handler = logging.StreamHandler()
+    file_handler = logging.handlers.TimedRotatingFileHandler(
+        LOG_FILE_NAME, encoding='utf-8', when='midnight', backupCount=7, delay=True
+    )
     logging.basicConfig(
         format='{asctime} {levelname} [{name}]: {message}',
         datefmt='%Y-%m-%d %H:%M:%S',
         style='{',
-        level=logging.INFO if not debug else logging.DEBUG
+        level=logging.INFO if not debug else logging.DEBUG,
+        handlers=[stream_handler, file_handler]
     )