diff --git a/xiaomusic/config.py b/xiaomusic/config.py
index 46910e6..fc9ea65 100644
--- a/xiaomusic/config.py
+++ b/xiaomusic/config.py
@@ -143,7 +143,9 @@ class Config:
         os.getenv("XIAOMUSIC_ENABLE_FUZZY_MATCH", "true").lower() == "true"
     )
     # 模糊搜索返回的最大结果数量（用于多结果选择功能）
-    fuzzy_match_max_results: int = int(os.getenv("XIAOMUSIC_FUZZY_MATCH_MAX_RESULTS", "100"))
+    fuzzy_match_max_results: int = int(
+        os.getenv("XIAOMUSIC_FUZZY_MATCH_MAX_RESULTS", "100")
+    )
     stop_tts_msg: str = os.getenv("XIAOMUSIC_STOP_TTS_MSG", "收到,再见")
     enable_config_example: bool = False
 
diff --git a/xiaomusic/device_player.py b/xiaomusic/device_player.py
index f08943b..dafd993 100644
--- a/xiaomusic/device_player.py
+++ b/xiaomusic/device_player.py
@@ -272,7 +272,9 @@ class XiaoMusicDevice:
         if len(names) > 1:
             self._pending_selection = names
             self._pending_selection_count = len(names)
-            selection_text = f"共找到{len(names)}条匹配记录，请重新呼叫小爱同学并告诉她第几个"
+            selection_text = (
+                f"共找到{len(names)}条匹配记录，请重新呼叫小爱同学并告诉她第几个"
+            )
             self.log.info(selection_text)
             await self.xiaomusic.do_tts(self.did, selection_text)
             return
@@ -1068,7 +1070,11 @@ class XiaoMusicDevice:
         Args:
             index: 用户选择的序号（从1开始）
         """
-        if not self._pending_selection or index < 1 or index > len(self._pending_selection):
+        if (
+            not self._pending_selection
+            or index < 1
+            or index > len(self._pending_selection)
+        ):
             await self.xiaomusic.do_tts(self.did, "选择无效")
             return