diff --git a/xiaomusic/config.py b/xiaomusic/config.py
index c3bccb4..126278b 100644
--- a/xiaomusic/config.py
+++ b/xiaomusic/config.py
@@ -219,3 +219,13 @@ class Config:
             if converted_value is not None:
                 setattr(self, k, converted_value)
         self.init_keyword()
+
+    # 获取设置文件
+    def getsettingfile(self):
+        # 兼容旧配置空的情况
+        if not self.conf_path:
+            self.conf_path = "conf"
+        if not os.path.exists(self.conf_path):
+            os.makedirs(self.conf_path)
+        filename = os.path.join(self.conf_path, "setting.json")
+        return filename
diff --git a/xiaomusic/httpserver.py b/xiaomusic/httpserver.py
index 870a25f..c55b92a 100644
--- a/xiaomusic/httpserver.py
+++ b/xiaomusic/httpserver.py
@@ -30,10 +30,10 @@ log = None
 async def app_lifespan(app):
     if xiaomusic is not None:
         asyncio.create_task(xiaomusic.run_forever())
-        try:
-            yield
-        except Exception as e:
-            log.exception(f"Execption {e}")
+    try:
+        yield
+    except Exception as e:
+        log.exception(f"Execption {e}")
 
 
 security = HTTPBasic()
diff --git a/xiaomusic/utils.py b/xiaomusic/utils.py
index 796d470..551fa8a 100644
--- a/xiaomusic/utils.py
+++ b/xiaomusic/utils.py
@@ -1,9 +1,9 @@
 #!/usr/bin/env python3
 from __future__ import annotations
 
+import asyncio
 import copy
 import difflib
-import io
 import logging
 import mimetypes
 import os
@@ -16,7 +16,6 @@ from collections.abc import AsyncIterator
 from http.cookies import SimpleCookie
 from urllib.parse import urlparse
 
-import aiofiles
 import aiohttp
 import mutagen
 from mutagen.id3 import ID3
@@ -241,14 +240,13 @@ async def get_web_music_duration(url):
 
 # 获取文件播放时长
 async def get_local_music_duration(filename):
+    loop = asyncio.get_event_loop()
     duration = 0
     try:
-        async with aiofiles.open(filename, "rb") as f:
-            buffer = io.BytesIO(await f.read())
         if is_mp3(filename):
-            m = mutagen.mp3.MP3(buffer)
+            m = await loop.run_in_executor(None, mutagen.mp3.MP3, filename)
         else:
-            m = mutagen.File(buffer)
+            m = await loop.run_in_executor(None, mutagen.File, filename)
         if m and m.info:
             duration = m.info.length
     except Exception as e:
diff --git a/xiaomusic/xiaomusic.py b/xiaomusic/xiaomusic.py
index 6bd4f85..8686b9c 100644
--- a/xiaomusic/xiaomusic.py
+++ b/xiaomusic/xiaomusic.py
@@ -84,15 +84,11 @@ class XiaoMusic:
         debug_config = deepcopy_data_no_sensitive_info(self.config)
         self.log.info(f"Startup OK. {debug_config}")
 
-        if self.conf_path == self.music_path:
+        if self.config.conf_path == self.music_path:
             self.log.warning("配置文件目录和音乐目录建议设置为不同的目录")
 
     def init_config(self):
         self.music_path = self.config.music_path
-        self.conf_path = self.config.conf_path
-        # 兼容旧配置空的情况
-        if not self.conf_path:
-            self.conf_path = "conf"
         self.download_path = self.config.download_path
         if not self.download_path:
             self.download_path = self.music_path
@@ -720,16 +716,9 @@ class XiaoMusic:
     def getconfig(self):
         return self.config
 
-    # 获取设置文件
-    def getsettingfile(self):
-        if not os.path.exists(self.conf_path):
-            os.makedirs(self.conf_path)
-        filename = os.path.join(self.conf_path, "setting.json")
-        return filename
-
     def try_init_setting(self):
         try:
-            filename = self.getsettingfile()
+            filename = self.config.getsettingfile()
             with open(filename) as f:
                 data = json.loads(f.read())
                 self.update_config_from_setting(data)
@@ -751,8 +740,7 @@ class XiaoMusic:
 
     # 配置文件落地
     def do_saveconfig(self, data):
-        # 默认暂时配置保存到 music 目录下
-        filename = self.getsettingfile()
+        filename = self.config.getsettingfile()
         with open(filename, "w", encoding="utf-8") as f:
             json.dump(data, f, ensure_ascii=False, indent=2)