diff --git a/audio_cache/0fba5247e6044c9490f447ed44b0ae38.mp3 b/audio_cache/0fba5247e6044c9490f447ed44b0ae38.mp3
new file mode 100644
index 0000000..001fcd2
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diff --git a/audio_cache/a01d80c36df943088e5a6c25a5b070c2.mp3 b/audio_cache/a01d80c36df943088e5a6c25a5b070c2.mp3
new file mode 100644
index 0000000..24af37c
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diff --git a/audio_cache/cd2f3e5b5ade443f84ca628118b22e1a.mp3 b/audio_cache/cd2f3e5b5ade443f84ca628118b22e1a.mp3
new file mode 100644
index 0000000..0b799c1
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diff --git a/logs/server.log b/logs/server.log
index 38db510..1fcd135 100644
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diff --git a/main.py b/main.py
index d538e01..16e2fba 100644
--- a/main.py
+++ b/main.py
@@ -13,6 +13,9 @@ from fastapi.staticfiles import StaticFiles
 # 导入后端服务
 from server import app as api_app
 
+# 确保音频缓存目录存在
+os.makedirs("audio_cache", exist_ok=True)
+
 # 主应用
 app = FastAPI(title="Voice Chat Web")
 
@@ -51,6 +54,9 @@ async def proxy_chattts_audio(filename: str):
         return Response(content=f'{"detail":"{str(e)}"}'.encode(), status_code=500, media_type="application/json")
 
 
+# 挂载音频文件目录（Edge TTS 生成的 MP3）
+app.mount("/audio", StaticFiles(directory="audio_cache"), name="audio")
+
 # 挂载 API
 app.mount("/api", api_app)