diff --git a/defs/bilibili.py b/defs/bilibili.py
index 25ca5e1..89bc945 100644
--- a/defs/bilibili.py
+++ b/defs/bilibili.py
@@ -6,6 +6,7 @@ import qrcode
 import string
 
 from bilibili_api import Credential
+from bilibili_api.audio import Audio
 from bilibili_api.video import Video
 from bilibili_api.user import User
 from pyrogram import ContinuePropagation
@@ -142,6 +143,13 @@ def create_video(cid) -> Optional[Video]:
     return v
 
 
+def create_audio(aid: str) -> Optional[Audio]:
+    a = None
+    if aid[:2] == "au":
+        a = Audio(auid=int(aid[2:]), credential=credential)
+    return a
+
+
 async def video_info_get(cid):
     v = create_video(cid)
     if not v:
diff --git a/defs/bilibili_download.py b/defs/bilibili_download.py
index ebc82be..c068d8c 100644
--- a/defs/bilibili_download.py
+++ b/defs/bilibili_download.py
@@ -7,6 +7,7 @@ from typing import Tuple, Dict, Union, Optional
 
 import aiofiles
 from bilibili_api import HEADERS
+from bilibili_api.audio import Audio
 from bilibili_api.video import Video, VideoDownloadURLDataDetecter, VideoQuality
 from httpx import AsyncClient, Response
 from pyrogram.enums import ParseMode
@@ -216,6 +217,41 @@ async def take_screenshot(info: Dict) -> Optional[BytesIO]:
         return None
 
 
+async def audio_download(a: Audio, m: Message):
+    try:
+        info = await a.get_info()
+        download_url_data = await a.get_download_url()
+        async with AsyncClient(headers=HEADERS, timeout=60) as client:
+            r = await client.get(download_url_data["cdns"][0])
+            media = BytesIO(r.content)
+            media.name = None
+            media.seek(0)
+            if info.get("cover"):
+                r_ = await client.get(info.get("cover"))
+                thumb = BytesIO(r_.content)
+                thumb.seek(0)
+            else:
+                thumb = None
+        text = f"<b>{info['title']}</b>\n\n{info.get('desc', '')}\n\nhttps://www.bilibili.com/audio/au{a.get_auid()}"
+        if len(text) > 800:
+            text = f"<b>{info['title']}</b>\n\n简介过长，无法显示\n\nhttps://www.bilibili.com/audio/au{a.get_auid()}"
+        await bot.send_audio(
+            chat_id=m.chat.id,
+            audio=media,
+            caption=text,
+            parse_mode=ParseMode.HTML,
+            reply_to_message_id=m.reply_to_message_id,
+            thumb=thumb,
+            duration=info.get("duration"),
+            performer=info.get("author"),
+        )
+    except BilibiliDownloaderError as e:
+        await fail_edit(m, e.MSG)
+    except Exception as e:
+        logger.exception("Downloading audio failed")
+        await fail_edit(m, f"下载/上传失败：{e}")
+
+
 async def go_download(v: Video, p_num: int, m: Message):
     video_path = cache_dir / f"{v.get_aid()}_{p_num}.mp4"
     safe_remove(video_path)
@@ -295,6 +331,8 @@ async def go_upload(v: Video, p_num: int, m: Message):
             info = await v.get_info()
             video_jpg = await take_screenshot(info)
             caption = f"<b>{info['title']}</b>\n\n{info['desc']}\n\nhttps://b23.tv/{v.get_bvid()}"
+            if len(caption) > 800:
+                caption = f"<b>{info['title']}</b>\n\n简介过长，无法显示\n\nhttps://b23.tv/{v.get_bvid()}"
         except Exception:
             video_jpg = None
             caption = f"https://b23.tv/{v.get_bvid()}"
@@ -311,6 +349,7 @@ async def go_upload(v: Video, p_num: int, m: Message):
             supports_streaming=True,
             progress=go_upload_progress,
             progress_args=(m,),
+            reply_to_message_id=m.reply_to_message_id,
         )
         logger.info(f"Upload {video_path} success")
     except BilibiliDownloaderError as e:
diff --git a/modules/bilibili.py b/modules/bilibili.py
index 3a2cbc1..423642c 100644
--- a/modules/bilibili.py
+++ b/modules/bilibili.py
@@ -21,7 +21,7 @@ from scheduler import scheduler
     filters.incoming
     & filters.text
     & filters.regex(r"av(\d{1,12})|BV(1[A-Za-z0-9]{2}4.1.7[A-Za-z0-9]{2})|b23.tv")
-    & ~filters.command(["download"])
+    & ~(filters.command(["download"]) & filters.user(bili_auth_user))
 )
 async def bili_resolve(_: Client, message: Message):
     """
diff --git a/modules/bilibili_download.py b/modules/bilibili_download.py
index 520e004..6a2dc8c 100644
--- a/modules/bilibili_download.py
+++ b/modules/bilibili_download.py
@@ -3,8 +3,8 @@ import re
 from pyrogram import filters, Client, ContinuePropagation
 from pyrogram.types import Message, CallbackQuery
 
-from defs.bilibili import b23_extract, create_video
-from defs.bilibili_download import go_download
+from defs.bilibili import b23_extract, create_video, create_audio
+from defs.bilibili_download import go_download, audio_download
 from defs.glover import bili_auth_user
 from init import bot
 
@@ -33,6 +33,19 @@ async def bili_download_resolve(_: Client, message: Message):
     bot.loop.create_task(go_download(video, p_num, m))
 
 
+@bot.on_message(filters.incoming & filters.text & filters.regex(r"audio/au(\d{1,12})"))
+async def bili_audio_download_resolve(_: Client, message: Message):
+    p = re.compile(r"au(\d{1,12})")
+    audio_number = p.search(message.text)
+    if audio_number:
+        audio_number = audio_number[0]
+    else:
+        raise ContinuePropagation
+    audio = create_audio(audio_number)
+    m = await message.reply("开始获取音频数据", quote=True)
+    bot.loop.create_task(audio_download(audio, m))
+
+
 @bot.on_callback_query(filters.regex(r"^download_(.*)$"))
 async def bili_download_resolve_cb(_: Client, callback_query: CallbackQuery):
     if not callback_query.from_user: