diff --git a/xiaomusic/config.py b/xiaomusic/config.py
index fa41197..3d9ab4f 100644
--- a/xiaomusic/config.py
+++ b/xiaomusic/config.py
@@ -88,6 +88,7 @@ class Config:
     enable_fuzzy_match: bool = (
         os.getenv("XIAOMUSIC_ENABLE_FUZZY_MATCH", "true").lower() == "true"
     )
+    stop_tts_msg: str = os.getenv("XIAOMUSIC_STOP_TTS_MSG", "收到,再见")
 
     def append_keyword(self, keys, action):
         for key in keys.split(","):
diff --git a/xiaomusic/xiaomusic.py b/xiaomusic/xiaomusic.py
index 51e787a..116e2ea 100644
--- a/xiaomusic/xiaomusic.py
+++ b/xiaomusic/xiaomusic.py
@@ -291,7 +291,7 @@ class XiaoMusic:
         except Exception as e:
             self.log.error(f"Execption {e}")
         # 最大等8秒
-        sec = min(8, int(len(value) / 3.3))
+        sec = min(8, int(len(value) / 3))
         await asyncio.sleep(sec)
         self.log.debug(f"do_tts. cur_music:{self.cur_music}")
         if self._playing and not self.is_downloading():
@@ -871,7 +871,8 @@ class XiaoMusic:
     async def stop(self, **kwargs):
         self._playing = False
         if kwargs.get("arg1", "") != "notts":
-            await self.do_tts("收到指令,再见")
+            if self.config.stop_tts_msg:
+                await self.do_tts(self.config.stop_tts_msg)
         if self._next_timer:
             self._next_timer.cancel()
             self.log.info("定时器已取消")