diff --git a/defs/bilibili_download.py b/defs/bilibili_download.py
index 0fd649e..594e48d 100644
--- a/defs/bilibili_download.py
+++ b/defs/bilibili_download.py
@@ -327,7 +327,9 @@ async def go_download(v: Video, p_num: int, m: Message, task: bool = True):
             # FLV 流下载
             await download_url(streams[0].url, flv_temp_path, m, "视频 FLV ")
             # 转换文件格式
-            _, result = await execute(f'{FFMPEG_PATH} -i "{flv_temp_path}" "{video_path}"')
+            _, result = await execute(
+                f'{FFMPEG_PATH} -i "{flv_temp_path}" "{video_path}"'
+            )
         else:
             if len(streams) < 2:
                 raise BilibiliDownloaderError("获取下载链接异常")
diff --git a/defs/exchange.py b/defs/exchange.py
index 94d80b1..5245c43 100644
--- a/defs/exchange.py
+++ b/defs/exchange.py
@@ -2,9 +2,7 @@ from init import request
 
 
 class Exchange:
-    API = (
-        "https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@latest/v1/"
-    )
+    API = "https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@latest/v1/"
 
     def __init__(self):
         self.inited = False
diff --git a/defs/splash.py b/defs/splash.py
index 257ed93..2c0696e 100644
--- a/defs/splash.py
+++ b/defs/splash.py
@@ -20,7 +20,9 @@ async def get_splash() -> List[SplashApi]:
     headers = {
         "cookie": mys_cookie,
     }
-    data = await request.get("https://bbs-api.miyoushe.com/apihub/api/getAppSplash", headers=headers)
+    data = await request.get(
+        "https://bbs-api.miyoushe.com/apihub/api/getAppSplash", headers=headers
+    )
     splash_list = []
     if data.is_success:
         data = data.json()
diff --git a/defs/sticker_download.py b/defs/sticker_download.py
index eb8cb35..4f5782a 100644
--- a/defs/sticker_download.py
+++ b/defs/sticker_download.py
@@ -78,7 +78,12 @@ async def converter(src_file: Union[Path, str]) -> Path:
     if process.returncode == 0:
         src_file.unlink(missing_ok=True)
     else:
-        logs.error("转换 %s -> %s 时出错: %s", src_file.name, target_file.name, stderr.decode("utf-8"))
+        logs.error(
+            "转换 %s -> %s 时出错: %s",
+            src_file.name,
+            target_file.name,
+            stderr.decode("utf-8"),
+        )
         raise ValueError("转换 %s -> %s 时出错" % (src_file.name, target_file.name))
     return target_file
 
@@ -113,7 +118,7 @@ def get_ext_from_mime(mime: str) -> str:
 
 
 def zip_dir(dir_path: str, zip_filepath: Path):
-    zipf = zipfile.ZipFile(zip_filepath, 'w', zipfile.ZIP_DEFLATED)
+    zipf = zipfile.ZipFile(zip_filepath, "w", zipfile.ZIP_DEFLATED)
     for root, dirs, files in os.walk(dir_path):
         for file in files:
             file_path = Path(root).joinpath(file)
@@ -126,7 +131,10 @@ async def run_zip_dir(dir_path: str, zip_filepath: Path):
     loop = asyncio.get_event_loop()
     with ThreadPoolExecutor() as executor:
         await loop.run_in_executor(
-            executor, zip_dir, dir_path, zip_filepath,
+            executor,
+            zip_dir,
+            dir_path,
+            zip_filepath,
         )
 
 
@@ -135,7 +143,9 @@ async def edit_message(reply: "Message", text: str) -> "Message":
         return await reply.edit(text)
 
 
-async def get_from_sticker_set(short_name: str, uid: int, client: "Client", reply: "Message") -> Path:
+async def get_from_sticker_set(
+    short_name: str, uid: int, client: "Client", reply: "Message"
+) -> Path:
     s = InputStickerSetShortName(short_name=short_name)
     packs: "StickerSet" = await client.invoke(GetStickerSet(stickerset=s, hash=0))
     tempdir = tempfile.mkdtemp()
diff --git a/init.py b/init.py
index 72a4db7..caa9a43 100644
--- a/init.py
+++ b/init.py
@@ -22,7 +22,7 @@ root_logger = getLogger()
 root_logger.setLevel(ERROR)
 root_logger.addHandler(logging_handler)
 # pyro_logger = getLogger()
-# pyro_logger.setLevel(INFO)
+# pyro_logger.setLevel(logging.DEBUG)
 # pyro_logger.addHandler(logging_handler)
 basicConfig(level=INFO)
 logs.setLevel(INFO)
diff --git a/models/temp_fix.py b/models/temp_fix.py
index a441cdc..99b3ad8 100644
--- a/models/temp_fix.py
+++ b/models/temp_fix.py
@@ -10,10 +10,18 @@ async def temp_fix(
     is_scheduled: bool = False,
     replies: int = 1,
     business_connection_id: str = None,
-    reply_to_message: "raw.base.Message" = None
+    reply_to_message: "raw.base.Message" = None,
 ):
     parsed = await pyrogram.types.Message.old_parse(
-        client, message, users, chats, topics, is_scheduled, replies, business_connection_id, reply_to_message
+        client,
+        message,
+        users,
+        chats,
+        topics,
+        is_scheduled,
+        replies,
+        business_connection_id,
+        reply_to_message,
     )  # noqa
     if (
         isinstance(message, pyrogram.raw.types.Message)
diff --git a/modules/dc.py b/modules/dc.py
index a077bfe..f5c9986 100644
--- a/modules/dc.py
+++ b/modules/dc.py
@@ -1,8 +1,27 @@
 from pyrogram import Client, filters
-from pyrogram.types import Message, Chat
+from pyrogram.types import (
+    Message,
+    Chat,
+    InlineQuery,
+    InlineQueryResultArticle,
+    InputTextMessageContent,
+    InlineKeyboardMarkup,
+    InlineKeyboardButton,
+    ChosenInlineResult,
+    CallbackQuery,
+)
+from pyrogram.utils import unpack_inline_message_id
 
 from init import bot
 
+geo_dic = {
+    "1": "美国-佛罗里达州-迈阿密",
+    "2": "荷兰-阿姆斯特丹",
+    "3": "美国-佛罗里达州-迈阿密",
+    "4": "荷兰-阿姆斯特丹",
+    "5": "新加坡",
+}
+
 
 def mention_chat(chat: Chat) -> str:
     return (
@@ -33,16 +52,59 @@ def get_dc(message: Message):
 
 @bot.on_message(filters.incoming & filters.command(["dc", f"dc@{bot.me.username}"]))
 async def dc_command(_: Client, message: Message):
-    geo_dic = {
-        "1": "美国-佛罗里达州-迈阿密",
-        "2": "荷兰-阿姆斯特丹",
-        "3": "美国-佛罗里达州-迈阿密",
-        "4": "荷兰-阿姆斯特丹",
-        "5": "新加坡",
-    }
     dc, mention = get_dc(message)
     if dc:
         text = f"{mention}所在数据中心为: <b>DC{dc}</b>\n该数据中心位于 <b>{geo_dic[str(dc)]}</b>"
     else:
         text = f"{mention}需要先<b>设置头像并且对我可见。</b>"
     await message.reply(text)
+
+
+@bot.on_inline_query(filters.regex(r"^dc$"))
+async def dc_query(_: Client, inline_query: InlineQuery):
+    results = [
+        InlineQueryResultArticle(
+            title="查询 dc",
+            input_message_content=InputTextMessageContent(message_text="加载中，请等待。。。"),
+            reply_markup=InlineKeyboardMarkup(
+                [[InlineKeyboardButton(text="重试", callback_data="dc")]]
+            ),
+        )
+    ]
+    await inline_query.answer(
+        results=results,
+        switch_pm_text="发送后查询",
+        switch_pm_parameter="start",
+        cache_time=0,
+    )
+    inline_query.stop_propagation()
+
+
+def get_dc_text(dc: int):
+    return f"此会话所在数据中心为: <b>DC{dc}</b>\n" f"该数据中心位于 <b>{geo_dic[str(dc)]}</b>"
+
+
+@bot.on_chosen_inline_result()
+async def dc_choose_callback(_: Client, chosen_inline_result: ChosenInlineResult):
+    if chosen_inline_result.query != "dc":
+        chosen_inline_result.continue_propagation()
+    mid = chosen_inline_result.inline_message_id
+    if not mid:
+        return
+    unpacked = unpack_inline_message_id(mid)
+    dc = unpacked.dc_id
+    await bot.edit_inline_text(mid, get_dc_text(dc))
+
+
+@bot.on_callback_query(filters.regex(r"^dc$"))
+async def dc_callback(_: Client, callback_query: CallbackQuery):
+    mid = callback_query.inline_message_id
+    if not mid:
+        await callback_query.answer("数据错误", show_alert=True)
+        callback_query.continue_propagation()
+    unpacked = unpack_inline_message_id(mid)
+    dc = unpacked.dc_id
+    try:
+        await callback_query.edit_message_text(get_dc_text(dc))
+    except Exception:
+        await callback_query.answer("数据错误", show_alert=True)
diff --git a/modules/donate.py b/modules/donate.py
index 33d2e8e..7ca7dbf 100644
--- a/modules/donate.py
+++ b/modules/donate.py
@@ -22,7 +22,7 @@ async def send_donate(_, message: Message):
         description="Support me",
         currency="XTR",
         prices=[LabeledPrice(label="Star", amount=amount)],
-        payload="stars"
+        payload="stars",
     )
 
 
diff --git a/modules/start.py b/modules/start.py
index 4126ea4..3676ba9 100644
--- a/modules/start.py
+++ b/modules/start.py
@@ -59,6 +59,11 @@ async def empty_inline(_, inline_query: InlineQuery):
             input_message_content=InputTextMessageContent("使用 m 来查询米游社启动图"),
             description="使用 m 来查询米游社启动图",
         ),
+        InlineQueryResultArticle(
+            title="dc",
+            input_message_content=InputTextMessageContent("使用 dc 来查询会话数据中心"),
+            description="使用 dc 来查询会话数据中心",
+        ),
     ]
     return await inline_query.answer(
         results=results,
diff --git a/modules/sticker_download.py b/modules/sticker_download.py
index d82fd25..b4505ab 100644
--- a/modules/sticker_download.py
+++ b/modules/sticker_download.py
@@ -7,8 +7,14 @@ from pyrogram import filters, ContinuePropagation
 from pyrogram.enums import ChatAction, MessageEntityType
 from pyrogram.errors import StickersetInvalid
 
-from defs.sticker_download import get_from_sticker_set, get_from_sticker, custom_emoji_filter, \
-    get_from_custom_emoji, export_end, export_add
+from defs.sticker_download import (
+    get_from_sticker_set,
+    get_from_sticker,
+    custom_emoji_filter,
+    get_from_custom_emoji,
+    export_end,
+    export_add,
+)
 from init import bot
 
 if TYPE_CHECKING:
@@ -17,7 +23,10 @@ if TYPE_CHECKING:
 
 
 @bot.on_message(
-    filters.private & filters.text & filters.incoming & filters.regex(r"^https://t.me/addstickers/.*")
+    filters.private
+    & filters.text
+    & filters.incoming
+    & filters.regex(r"^https://t.me/addstickers/.*")
 )
 async def process_sticker_set(client: "Client", message: "Message"):
     cid = message.from_user.id
@@ -69,7 +78,11 @@ async def process_single_sticker(client: "Client", message: "Message"):
 async def process_custom_emoji(client: "Client", message: "Message"):
     try:
         stickers = await client.get_custom_emoji_stickers(
-            [i.custom_emoji_id for i in message.entities if i and i.type == MessageEntityType.CUSTOM_EMOJI]
+            [
+                i.custom_emoji_id
+                for i in message.entities
+                if i and i.type == MessageEntityType.CUSTOM_EMOJI
+            ]
         )
     except AttributeError:
         await message.reply("无法获取贴纸", quote=True)
@@ -96,15 +109,17 @@ async def process_custom_emoji(client: "Client", message: "Message"):
 
 
 @bot.on_message(
-    filters.private & filters.incoming & filters.command(
-        ["sticker_export_start", "sticker_export_end"]
-    )
+    filters.private
+    & filters.incoming
+    & filters.command(["sticker_export_start", "sticker_export_end"])
 )
 async def batch_start(_: "Client", message: "Message"):
     uid = message.from_user.id
     if "start" in message.command[0].lower():
         if await cache.get(f"sticker:export:{uid}"):
-            await message.reply("已经开始批量导出贴纸，请直接发送贴纸，完成选择请输入 /sticker_export_end", quote=True)
+            await message.reply(
+                "已经开始批量导出贴纸，请直接发送贴纸，完成选择请输入 /sticker_export_end", quote=True
+            )
             return
         await cache.set(f"sticker:export:{uid}", tempfile.mkdtemp())
         await message.reply("开始批量导出贴纸，请直接发送贴纸，完成选择请输入 /sticker_export_end", quote=True)