diff --git a/xiaomusic/config.py b/xiaomusic/config.py
index 325195d..5b87f30 100644
--- a/xiaomusic/config.py
+++ b/xiaomusic/config.py
@@ -79,7 +79,7 @@ class Config:
     use_music_api: bool = (
         os.getenv("XIAOMUSIC_USE_MUSIC_API", "false").lower() == "true"
     )
-    log_file: str = os.getenv("XIAOMUSIC_MUSIC_LOG_FILE", "/tmp/tmp1/tmp2/xiaomusic.log")
+    log_file: str = os.getenv("XIAOMUSIC_MUSIC_LOG_FILE", "/tmp/xiaomusic.txt")
 
     def append_keyword(self, keys, action):
         for key in keys.split(","):
diff --git a/xiaomusic/httpserver.py b/xiaomusic/httpserver.py
index 886f4dc..c5bd28c 100644
--- a/xiaomusic/httpserver.py
+++ b/xiaomusic/httpserver.py
@@ -2,7 +2,7 @@
 import os
 from threading import Thread
 
-from flask import Flask, request, send_from_directory
+from flask import Flask, request, send_from_directory, send_file
 from flask_httpauth import HTTPBasicAuth
 from waitress import serve
 
@@ -162,6 +162,10 @@ def downloadjson():
         "content": content,
     }
 
+@app.route("/downloadlog", methods=["GET"])
+@auth.login_required
+def downloadlog():
+    return send_file(xiaomusic.config.log_file, as_attachment=True)
 
 def static_path_handler(filename):
     log.debug(filename)
diff --git a/xiaomusic/static/setting.html b/xiaomusic/static/setting.html
index c8b7b85..c776be6 100644
--- a/xiaomusic/static/setting.html
+++ b/xiaomusic/static/setting.html
@@ -34,6 +34,7 @@
     <hr>
 
     <a href="/static/m3u.html" target="_blank">m3u文件转换工具</a>
+    <a href="/downloadlog" download="xiaomusic.txt">下载日志文件</a>
 
     <footer>
       <p>Powered by <a href="https://github.com/hanxi/xiaomusic" target="_blank">xiaomusic</a></p>
diff --git a/xiaomusic/xiaomusic.py b/xiaomusic/xiaomusic.py
index 53a0c71..81a523d 100644
--- a/xiaomusic/xiaomusic.py
+++ b/xiaomusic/xiaomusic.py
@@ -117,13 +117,15 @@ class XiaoMusic:
             os.makedirs(log_path)
         if os.path.exists(log_file):
             os.remove(log_file)
-        handler = RotatingFileHandler(self.config.log_file, maxBytes=1024*1024, backupCount=0)
+        handler = RotatingFileHandler(self.config.log_file, maxBytes=10*1024*1024, backupCount=1)
         self.log = logging.getLogger("xiaomusic")
         self.log.addHandler(handler)
         self.log.setLevel(logging.DEBUG if self.config.verbose else logging.INFO)
         debug_config = copy.deepcopy(self.config)
         debug_config.account = '******'
         debug_config.password = '******'
+        debug_config.httpauth_username = '******'
+        debug_config.httpauth_password = '******'
         self.log.info(debug_config)
 
     async def poll_latest_ask(self):