diff --git a/app/router/private/audio_proxy.py b/app/router/private/audio_proxy.py
index eff812b..2b412eb 100644
--- a/app/router/private/audio_proxy.py
+++ b/app/router/private/audio_proxy.py
@@ -23,8 +23,6 @@ async def get_audio_proxy_dependency(redis_client: Annotated[redis.Redis, Depend
     return get_audio_proxy_service(redis_client)
 
 
-
-
 @router.get("/beatmapset/{beatmapset_id}")
 async def get_beatmapset_audio(
     beatmapset_id: Annotated[int, Path(description="谱面集ID", ge=1)],
@@ -53,7 +51,7 @@ async def get_beatmapset_audio(
             headers={
                 "Cache-Control": "public, max-age=604800",  # 7天缓存
                 "Content-Length": str(len(audio_data)),
-                "Content-Disposition": f"inline; filename=\"{beatmapset_id}.mp3\"",
+                "Content-Disposition": f'inline; filename="{beatmapset_id}.mp3"',
             },
         )
 
diff --git a/app/service/asset_proxy_service.py b/app/service/asset_proxy_service.py
index e295327..72fa54a 100644
--- a/app/service/asset_proxy_service.py
+++ b/app/service/asset_proxy_service.py
@@ -20,6 +20,8 @@ class AssetProxyService:
         self.asset_proxy_prefix = settings.asset_proxy_prefix
         self.avatar_proxy_prefix = settings.avatar_proxy_prefix
         self.beatmap_proxy_prefix = settings.beatmap_proxy_prefix
+        # 音频代理接口URL
+        self.audio_proxy_base_url = f"{settings.server_url}api/private/audio/beatmapset"
 
     async def replace_asset_urls(self, data: Any) -> Any:
         """
@@ -52,13 +54,12 @@ class AssetProxyService:
                 r"https://assets\.ppy\.sh/", f"https://{self.asset_proxy_prefix}.{self.custom_asset_domain}/", result
             )
 
-            # 替换 b.ppy.sh 预览音频 (保持//前缀)
-            result = re.sub(r"//b\.ppy\.sh/", f"//{self.beatmap_proxy_prefix}.{self.custom_asset_domain}/", result)
+            # 替换 b.ppy.sh 预览音频为我们的音频代理接口
+            # 匹配 https://b.ppy.sh/preview/{beatmapset_id}.mp3 格式
+            result = re.sub(r"https://b\.ppy\.sh/preview/(\d+)\.mp3", rf"{self.audio_proxy_base_url}/\1", result)
 
-            # 替换 https://b.ppy.sh 预览音频 (转换为//前缀)
-            result = re.sub(
-                r"https://b\.ppy\.sh/", f"//{self.beatmap_proxy_prefix}.{self.custom_asset_domain}/", result
-            )
+            # 匹配 //b.ppy.sh/preview/{beatmapset_id}.mp3 格式
+            result = re.sub(r"//b\.ppy\.sh/preview/(\d+)\.mp3", rf"{self.audio_proxy_base_url}/\1", result)
 
             # 替换 a.ppy.sh 头像
             result = re.sub(
diff --git a/app/service/audio_proxy_service.py b/app/service/audio_proxy_service.py
index c011fff..16343ea 100644
--- a/app/service/audio_proxy_service.py
+++ b/app/service/audio_proxy_service.py
@@ -5,7 +5,6 @@
 
 from __future__ import annotations
 
-
 from fastapi import HTTPException
 import httpx
 from loguru import logger
@@ -123,7 +122,6 @@ class AudioProxyService:
         return audio_data, content_type
 
 
-
 def get_audio_proxy_service(redis_client: redis.Redis) -> AudioProxyService:
     """获取音频代理服务实例"""
     # 每次创建新实例，避免全局状态