diff --git a/nonebot_plugin_tetris_stats/game_data_processor/io_data_processor.py b/nonebot_plugin_tetris_stats/game_data_processor/io_data_processor.py
index d177936..1f244a8 100644
--- a/nonebot_plugin_tetris_stats/game_data_processor/io_data_processor.py
+++ b/nonebot_plugin_tetris_stats/game_data_processor/io_data_processor.py
@@ -8,21 +8,16 @@ from nonebot import get_driver, on_regex
 from nonebot.adapters.onebot.v11 import GROUP, MessageEvent
 from nonebot.log import logger
 from nonebot.matcher import Matcher
+from playwright.async_api import Browser, Response, async_playwright
 from ujson import JSONDecodeError, dumps, loads
-from playwright.async_api import (
-    Browser,
-    Response,
-    async_playwright
-)
 
 from ..utils.config import Config
-from ..utils.sql import query_bind_info, write_bind_info
+from ..utils.database import DataBase
 from ..utils.message_analyzer import (
     handle_bind_message,
     handle_stats_query_message
 )
 
-
 IOBind = on_regex(pattern=r'^io绑定|^iobind', flags=I, permission=GROUP)
 IOStats = on_regex(pattern=r'^io查|^iostats', flags=I, permission=GROUP)
 
@@ -54,7 +49,7 @@ async def _(event: MessageEvent, matcher: Matcher):
         logger.error('获取QQ号失败')
         await matcher.finish('获取QQ号失败')
     await matcher.finish(
-        await write_bind_info(
+        await DataBase.write_bind_info(
             qq_number=event.sender.user_id,
             user=user_id,
             game_type='IO'
@@ -70,7 +65,7 @@ async def _(event: MessageEvent, matcher: Matcher):
     elif decoded_message[0] == 'AT':
         if event.is_tome() is True:
             await matcher.finish('不能查询bot的信息')
-        bind_info = await query_bind_info(qq_number=decoded_message[1][1], game_type='IO')
+        bind_info = await DataBase.query_bind_info(qq_number=decoded_message[1][1], game_type='IO')
         if bind_info is None:
             message = '未查询到绑定信息'
         else:
@@ -79,7 +74,7 @@ async def _(event: MessageEvent, matcher: Matcher):
         if event.sender.user_id is None:
             logger.error('获取QQ号失败')
             await matcher.finish('获取QQ号失败, 请联系bot主人')
-        bind_info = await query_bind_info(qq_number=event.sender.user_id, game_type='IO')
+        bind_info = await DataBase.query_bind_info(qq_number=event.sender.user_id, game_type='IO')
         if bind_info is None:
             message = '未查询到绑定信息'
         else:
@@ -239,6 +234,7 @@ async def generate_message(user_name: str = None, user_id: str = None) -> str:
 
 
 class Request:
+    '''网络请求相关类'''
     _browser: Browser | None = None
     _headers: dict | None = None
     _cookies: dict | None = None
diff --git a/nonebot_plugin_tetris_stats/game_data_processor/top_data_processor.py b/nonebot_plugin_tetris_stats/game_data_processor/top_data_processor.py
index 3377366..4bb27ef 100644
--- a/nonebot_plugin_tetris_stats/game_data_processor/top_data_processor.py
+++ b/nonebot_plugin_tetris_stats/game_data_processor/top_data_processor.py
@@ -1,16 +1,19 @@
-from typing import Any
 from re import I
-from lxml import etree
-from pandas import read_html
-import aiohttp
+from typing import Any
 
+import aiohttp
+from lxml import etree
 from nonebot import on_regex
 from nonebot.adapters.onebot.v11 import GROUP, MessageEvent
-from nonebot.matcher import Matcher
 from nonebot.log import logger
+from nonebot.matcher import Matcher
+from pandas import read_html
 
-from ..utils.message_analyzer import handle_bind_message, handle_stats_query_message
-from ..utils.sql import query_bind_info, write_bind_info
+from ..utils.database import DataBase
+from ..utils.message_analyzer import (
+    handle_bind_message,
+    handle_stats_query_message
+)
 
 TOPBind = on_regex(pattern=r'^top绑定|^topbind', flags=I, permission=GROUP)
 TopStats = on_regex(pattern=r'^top查|^topstats', flags=I, permission=GROUP)
@@ -32,7 +35,7 @@ async def _(event: MessageEvent, matcher: Matcher):
     if event.sender.user_id is None:  # 理论上是不会有None出现的, ide快乐行属于是（
         logger.error('获取QQ号失败')
         await matcher.finish('获取QQ号失败')
-    await matcher.finish(await write_bind_info(qq_number=event.sender.user_id, user=user_name, game_type='TOP'))
+    await matcher.finish(await DataBase.write_bind_info(qq_number=event.sender.user_id, user=user_name, game_type='TOP'))
 
 
 @TopStats.handle()
@@ -43,7 +46,7 @@ async def _(event: MessageEvent, matcher: Matcher):
     elif decoded_message[0] == 'AT':
         if event.is_tome() is True:
             await matcher.finish(message='不能查询bot的信息')
-        bind_info = await query_bind_info(qq_number=decoded_message[1][1], game_type='TOP')
+        bind_info = await DataBase.query_bind_info(qq_number=decoded_message[1][1], game_type='TOP')
         if bind_info is None:
             message = '未查询到绑定信息'
         else:
@@ -52,7 +55,7 @@ async def _(event: MessageEvent, matcher: Matcher):
         if event.sender.user_id is None:
             logger.error('获取QQ号失败')
             await matcher.finish('获取QQ号失败, 请联系bot主人')
-        bind_info = await query_bind_info(qq_number=event.sender.user_id, game_type='TOP')
+        bind_info = await DataBase.query_bind_info(qq_number=event.sender.user_id, game_type='TOP')
         if bind_info is None:
             message = '未查询到绑定信息'
         else:
diff --git a/nonebot_plugin_tetris_stats/game_data_processor/tos_data_processor.py b/nonebot_plugin_tetris_stats/game_data_processor/tos_data_processor.py
index 19a3304..3c62b82 100644
--- a/nonebot_plugin_tetris_stats/game_data_processor/tos_data_processor.py
+++ b/nonebot_plugin_tetris_stats/game_data_processor/tos_data_processor.py
@@ -1,12 +1,12 @@
-from typing import Any
 from asyncio import gather
 from re import I
-import aiohttp
+from typing import Any
 
+import aiohttp
 from nonebot import on_regex
 from nonebot.adapters.onebot.v11 import GROUP, MessageEvent
-from nonebot.matcher import Matcher
 from nonebot.log import logger
+from nonebot.matcher import Matcher
 
 from ..utils.message_analyzer import handle_stats_query_message
 
diff --git a/nonebot_plugin_tetris_stats/utils/__init__.py b/nonebot_plugin_tetris_stats/utils/__init__.py
index eb1ea9a..2574c69 100644
--- a/nonebot_plugin_tetris_stats/utils/__init__.py
+++ b/nonebot_plugin_tetris_stats/utils/__init__.py
@@ -1 +1 @@
-from . import message_analyzer, sql, config
+from . import config, database, message_analyzer
diff --git a/nonebot_plugin_tetris_stats/utils/config.py b/nonebot_plugin_tetris_stats/utils/config.py
index 4cbca3a..1ba4a9d 100644
--- a/nonebot_plugin_tetris_stats/utils/config.py
+++ b/nonebot_plugin_tetris_stats/utils/config.py
@@ -3,3 +3,4 @@ from pydantic import BaseModel
 
 class Config(BaseModel):
     cache_path: str = 'cache/nonebot_plugin_tetris_stats/cache'
+    db_path: str = 'data/nonebot_plugin_tetris_stats/data.db'
diff --git a/nonebot_plugin_tetris_stats/utils/database.py b/nonebot_plugin_tetris_stats/utils/database.py
new file mode 100644
index 0000000..90347a1
--- /dev/null
+++ b/nonebot_plugin_tetris_stats/utils/database.py
@@ -0,0 +1,86 @@
+import os
+from asyncio import gather
+from sqlite3 import Connection, connect
+
+from nonebot import get_driver
+from nonebot.log import logger
+
+from .config import Config
+
+driver = get_driver()
+
+config = Config.parse_obj(get_driver().config)
+
+
+@driver.on_startup
+async def _():
+    await DataBase.init_db()
+
+
+@driver.on_shutdown
+async def _():
+    await DataBase.close_db()
+
+
+class DataBase():
+    '''数据库交互类'''
+    _db: Connection | None = None
+
+    @classmethod
+    async def init_db(cls) -> Connection:
+        '''初始化数据库'''
+        if not os.path.exists(os.path.dirname(config.db_path)):
+            os.makedirs(os.path.dirname(config.db_path))
+        cls._db = connect(config.db_path)
+        cursor = cls._db.cursor()
+        cursor.execute('''CREATE TABLE IF NOT EXISTS IOBIND
+                        (QQ INTEGER NOT NULL,
+                        USER TEXT NOT NULL)''')
+        cursor.execute('''CREATE TABLE IF NOT EXISTS TOPBIND
+                        (QQ INTEGER NOT NULL,
+                        USER TEXT NOT NULL)''')
+        cls._db.commit()
+        logger.info('数据库初始化完成')
+        return cls._db
+
+    @classmethod
+    async def _get_db(cls) -> Connection:
+        '''获取数据库对象'''
+        return cls._db or await cls.init_db()
+
+    @classmethod
+    async def query_bind_info(cls, qq_number: str | int, game_type: str) -> str | None:
+        '''查询绑定信息'''
+        db = await cls._get_db()
+        cursor = db.cursor()
+        cursor.execute(
+            f'SELECT USER FROM {game_type}BIND WHERE QQ = {qq_number}')
+        user = cursor.fetchone()
+        if user is None:
+            return None
+        return user[0]
+
+    @classmethod
+    async def write_bind_info(cls, qq_number: str | int, user: str, game_type: str) -> str:
+        '''写入绑定信息'''
+        bind_info, db = await gather(
+            cls.query_bind_info(qq_number=qq_number, game_type=game_type),
+            cls._get_db()
+        )
+        cursor = db.cursor()
+        if bind_info is not None:
+            cursor.execute(
+                f'UPDATE {game_type}BIND SET USER = ? WHERE QQ = ?', (user, qq_number))
+            message = '更新成功'
+        elif bind_info is None:
+            cursor.execute(
+                f'INSERT INTO {game_type}BIND (QQ, USER) VALUES (?, ?)', (qq_number, user))
+            message = '绑定成功'
+        db.commit()
+        return message
+
+    @classmethod
+    async def close_db(cls) -> None:
+        '''关闭数据库对象'''
+        if isinstance(cls._db, Connection):
+            cls._db.close()
diff --git a/nonebot_plugin_tetris_stats/utils/sql.py b/nonebot_plugin_tetris_stats/utils/sql.py
deleted file mode 100644
index bd9f41c..0000000
--- a/nonebot_plugin_tetris_stats/utils/sql.py
+++ /dev/null
@@ -1,79 +0,0 @@
-from sqlite3 import connect, Connection
-import os
-
-from nonebot import get_driver
-from nonebot.log import logger
-
-
-_DB_FILE = 'data/nonebot_plugin_tetris_stats/data.db'
-_DB: Connection | None = None
-
-driver = get_driver()
-
-
-@driver.on_startup
-async def _():
-    '''初始化数据库'''
-    await init_db()
-
-
-@driver.on_shutdown
-async def _():
-    if isinstance(_DB, Connection):
-        _DB.close()
-
-
-async def init_db() -> Connection:
-    '''初始化数据库'''
-    if not os.path.exists(os.path.dirname(_DB_FILE)):
-        if os.path.exists('data/nonebot-plugin-tetris-stats'):  # 重命名旧的数据库路径
-            os.rename('data/nonebot-plugin-tetris-stats',
-                      os.path.dirname(_DB_FILE))
-        else:
-            os.makedirs(os.path.dirname(_DB_FILE))
-    global _DB
-    _DB = connect(_DB_FILE)
-    cursor = _DB.cursor()
-    cursor.execute('''CREATE TABLE IF NOT EXISTS IOBIND
-                    (QQ INTEGER NOT NULL,
-                    USER TEXT NOT NULL)''')
-    cursor.execute('''CREATE TABLE IF NOT EXISTS TOPBIND
-                    (QQ INTEGER NOT NULL,
-                    USER TEXT NOT NULL)''')
-    _DB.commit()
-    logger.info('数据库初始化完成')
-    return _DB
-
-
-async def get_db() -> Connection:
-    '''获取数据库对象'''
-    return _DB or await init_db()
-
-
-async def query_bind_info(qq_number: str | int, game_type: str) -> str | None:
-    '''查询绑定信息'''
-    db = await get_db()
-    cursor = db.cursor()
-    cursor.execute(f'SELECT USER FROM {game_type}BIND WHERE QQ = {qq_number}')
-    user = cursor.fetchone()
-    db.commit()
-    if user is None:
-        return None
-    return user[0]
-
-
-async def write_bind_info(qq_number: str | int, user: str, game_type: str) -> str:
-    '''写入绑定信息'''
-    bind_info = await query_bind_info(qq_number, game_type)
-    db = await get_db()
-    cursor = db.cursor()
-    if bind_info is not None:
-        cursor.execute(
-            f'UPDATE {game_type}BIND SET USER = ? WHERE QQ = ?', (user, qq_number))
-        message = '更新成功'
-    elif bind_info is None:
-        cursor.execute(
-            f'INSERT INTO {game_type}BIND (QQ, USER) VALUES (?, ?)', (qq_number, user))
-        message = '绑定成功'
-    db.commit()
-    return message