diff --git a/app/auth.py b/app/auth.py
index dbd5f27..b250844 100644
--- a/app/auth.py
+++ b/app/auth.py
@@ -14,7 +14,8 @@ from app.database import (
 import bcrypt
 from jose import JWTError, jwt
 from passlib.context import CryptContext
-from sqlmodel import Session, select
+from sqlmodel import select
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 # 密码哈希上下文
 pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
@@ -70,7 +71,9 @@ def get_password_hash(password: str) -> str:
     return pw_bcrypt.decode()
 
 
-def authenticate_user_legacy(db: Session, name: str, password: str) -> DBUser | None:
+async def authenticate_user_legacy(
+    db: AsyncSession, name: str, password: str
+) -> DBUser | None:
     """
     验证用户身份 - 使用类似 from_login 的逻辑
     """
@@ -79,7 +82,7 @@ def authenticate_user_legacy(db: Session, name: str, password: str) -> DBUser |
 
     # 2. 根据用户名查找用户
     statement = select(DBUser).where(DBUser.name == name)
-    user = db.exec(statement).first()
+    user = (await db.exec(statement)).first()
     if not user:
         return None
 
@@ -107,9 +110,11 @@ def authenticate_user_legacy(db: Session, name: str, password: str) -> DBUser |
     return None
 
 
-def authenticate_user(db: Session, username: str, password: str) -> DBUser | None:
+async def authenticate_user(
+    db: AsyncSession, username: str, password: str
+) -> DBUser | None:
     """验证用户身份"""
-    return authenticate_user_legacy(db, username, password)
+    return await authenticate_user_legacy(db, username, password)
 
 
 def create_access_token(data: dict, expires_delta: timedelta | None = None) -> str:
@@ -147,24 +152,28 @@ def verify_token(token: str) -> dict | None:
         return None
 
 
-def store_token(
-    db: Session, user_id: int, access_token: str, refresh_token: str, expires_in: int
+async def store_token(
+    db: AsyncSession,
+    user_id: int,
+    access_token: str,
+    refresh_token: str,
+    expires_in: int,
 ) -> OAuthToken:
     """存储令牌到数据库"""
     expires_at = datetime.utcnow() + timedelta(seconds=expires_in)
 
     # 删除用户的旧令牌
     statement = select(OAuthToken).where(OAuthToken.user_id == user_id)
-    old_tokens = db.exec(statement).all()
+    old_tokens = (await db.exec(statement)).all()
     for token in old_tokens:
-        db.delete(token)
+        await db.delete(token)
 
     # 检查是否有重复的 access_token
-    duplicate_token = db.exec(
-        select(OAuthToken).where(OAuthToken.access_token == access_token)
+    duplicate_token = (
+        await db.exec(select(OAuthToken).where(OAuthToken.access_token == access_token))
     ).first()
     if duplicate_token:
-        db.delete(duplicate_token)
+        await db.delete(duplicate_token)
 
     # 创建新令牌记录
     token_record = OAuthToken(
@@ -174,24 +183,28 @@ def store_token(
         expires_at=expires_at,
     )
     db.add(token_record)
-    db.commit()
-    db.refresh(token_record)
+    await db.commit()
+    await db.refresh(token_record)
     return token_record
 
 
-def get_token_by_access_token(db: Session, access_token: str) -> OAuthToken | None:
+async def get_token_by_access_token(
+    db: AsyncSession, access_token: str
+) -> OAuthToken | None:
     """根据访问令牌获取令牌记录"""
     statement = select(OAuthToken).where(
         OAuthToken.access_token == access_token,
         OAuthToken.expires_at > datetime.utcnow(),
     )
-    return db.exec(statement).first()
+    return (await db.exec(statement)).first()
 
 
-def get_token_by_refresh_token(db: Session, refresh_token: str) -> OAuthToken | None:
+async def get_token_by_refresh_token(
+    db: AsyncSession, refresh_token: str
+) -> OAuthToken | None:
     """根据刷新令牌获取令牌记录"""
     statement = select(OAuthToken).where(
         OAuthToken.refresh_token == refresh_token,
         OAuthToken.expires_at > datetime.utcnow(),
     )
-    return db.exec(statement).first()
+    return (await db.exec(statement)).first()
diff --git a/app/config.py b/app/config.py
index f902fe6..6f3aa25 100644
--- a/app/config.py
+++ b/app/config.py
@@ -10,7 +10,7 @@ load_dotenv()
 class Settings:
     # 数据库设置
     DATABASE_URL: str = os.getenv(
-        "DATABASE_URL", "mysql+pymysql://root:password@localhost:3306/osu_api"
+        "DATABASE_URL", "mysql+aiomysql://root:password@localhost:3306/osu_api"
     )
     REDIS_URL: str = os.getenv("REDIS_URL", "redis://localhost:6379/0")
 
diff --git a/app/database/user.py b/app/database/user.py
index facab63..d1a24fb 100644
--- a/app/database/user.py
+++ b/app/database/user.py
@@ -15,7 +15,7 @@ class User(SQLModel, table=True):
     __tablename__ = "users"  # pyright: ignore[reportAssignmentType]
 
     # 主键
-    id: int | None = Field(default=None, primary_key=True, index=True)
+    id: int = Field(default=None, primary_key=True, index=True, nullable=False)
 
     # 基本信息（匹配 migrations 中的结构）
     name: str = Field(max_length=32, unique=True, index=True)  # 用户名
diff --git a/app/dependencies/__init__.py b/app/dependencies/__init__.py
index f36fe81..cdcce5a 100644
--- a/app/dependencies/__init__.py
+++ b/app/dependencies/__init__.py
@@ -1,2 +1,4 @@
+from __future__ import annotations
+
 from .database import get_db as get_db
-from .user import get_current_user as get_current_user
\ No newline at end of file
+from .user import get_current_user as get_current_user
diff --git a/app/dependencies/database.py b/app/dependencies/database.py
index c297c1c..288660c 100644
--- a/app/dependencies/database.py
+++ b/app/dependencies/database.py
@@ -1,6 +1,8 @@
 from __future__ import annotations
 
-from sqlmodel import Session, create_engine
+from sqlalchemy.ext.asyncio import create_async_engine
+from sqlmodel import SQLModel
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 try:
     import redis
@@ -9,7 +11,7 @@ except ImportError:
 from app.config import settings
 
 # 数据库引擎
-engine = create_engine(settings.DATABASE_URL)
+engine = create_async_engine(settings.DATABASE_URL)
 
 # Redis 连接
 if redis:
@@ -19,11 +21,16 @@ else:
 
 
 # 数据库依赖
-def get_db():
-    with Session(engine) as session:
+async def get_db():
+    async with AsyncSession(engine) as session:
         yield session
 
 
+async def create_tables():
+    async with engine.begin() as conn:
+        await conn.run_sync(SQLModel.metadata.create_all)
+
+
 # Redis 依赖
 def get_redis():
     return redis_client
diff --git a/app/dependencies/user.py b/app/dependencies/user.py
index 580fbe0..5c3b396 100644
--- a/app/dependencies/user.py
+++ b/app/dependencies/user.py
@@ -9,14 +9,16 @@ from .database import get_db
 
 from fastapi import Depends, HTTPException
 from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
-from sqlmodel import Session, select
+from sqlalchemy.orm import joinedload, selectinload
+from sqlmodel import select
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 security = HTTPBearer()
 
 
 async def get_current_user(
     credentials: HTTPAuthorizationCredentials = Depends(security),
-    db: Session = Depends(get_db),
+    db: AsyncSession = Depends(get_db),
 ) -> DBUser:
     """获取当前认证用户"""
     token = credentials.credentials
@@ -27,9 +29,31 @@ async def get_current_user(
     return user
 
 
-async def get_current_user_by_token(token: str, db: Session) -> DBUser | None:
-    token_record = get_token_by_access_token(db, token)
+async def get_current_user_by_token(token: str, db: AsyncSession) -> DBUser | None:
+    token_record = await get_token_by_access_token(db, token)
     if not token_record:
         return None
-    user = db.exec(select(DBUser).where(DBUser.id == token_record.user_id)).first()
+    user = (
+        await db.exec(
+            select(DBUser)
+            .options(
+                joinedload(DBUser.lazer_profile),  # pyright: ignore[reportArgumentType]
+                joinedload(DBUser.lazer_counts),  # pyright: ignore[reportArgumentType]
+                joinedload(DBUser.daily_challenge_stats),  # pyright: ignore[reportArgumentType]
+                joinedload(DBUser.avatar),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.lazer_statistics),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.lazer_achievements),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.lazer_profile_sections),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.statistics),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.team_membership),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.rank_history),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.active_banners),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.lazer_badges),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.lazer_monthly_playcounts),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.lazer_previous_usernames),  # pyright: ignore[reportArgumentType]
+                selectinload(DBUser.lazer_replays_watched),  # pyright: ignore[reportArgumentType]
+            )
+            .where(DBUser.id == token_record.user_id)
+        )
+    ).first()
     return user
diff --git a/app/router/api_router.py b/app/router/api_router.py
index e6f2f82..6a3e356 100644
--- a/app/router/api_router.py
+++ b/app/router/api_router.py
@@ -1,4 +1,5 @@
+from __future__ import annotations
+
 from fastapi import APIRouter
 
-
 router = APIRouter()
diff --git a/app/router/auth.py b/app/router/auth.py
index 838a75e..a1277e3 100644
--- a/app/router/auth.py
+++ b/app/router/auth.py
@@ -14,7 +14,7 @@ from app.dependencies import get_db
 from app.models.oauth import TokenResponse
 
 from fastapi import APIRouter, Depends, Form, HTTPException
-from sqlmodel import Session
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 router = APIRouter(tags=["osu! OAuth 认证"])
 
@@ -28,7 +28,7 @@ async def oauth_token(
     username: str | None = Form(None),
     password: str | None = Form(None),
     refresh_token: str | None = Form(None),
-    db: Session = Depends(get_db),
+    db: AsyncSession = Depends(get_db),
 ):
     """OAuth 令牌端点"""
     # 验证客户端凭据
@@ -46,7 +46,7 @@ async def oauth_token(
             )
 
         # 验证用户
-        user = authenticate_user(db, username, password)
+        user = await authenticate_user(db, username, password)
         if not user:
             raise HTTPException(status_code=401, detail="Invalid username or password")
 
@@ -58,9 +58,9 @@ async def oauth_token(
         refresh_token_str = generate_refresh_token()
 
         # 存储令牌
-        store_token(
+        await store_token(
             db,
-            getattr(user, "id"),
+            user.id,
             access_token,
             refresh_token_str,
             settings.ACCESS_TOKEN_EXPIRE_MINUTES * 60,
@@ -80,7 +80,7 @@ async def oauth_token(
             raise HTTPException(status_code=400, detail="Refresh token required")
 
         # 验证刷新令牌
-        token_record = get_token_by_refresh_token(db, refresh_token)
+        token_record =await get_token_by_refresh_token(db, refresh_token)
         if not token_record:
             raise HTTPException(status_code=401, detail="Invalid refresh token")
 
@@ -92,10 +92,9 @@ async def oauth_token(
         new_refresh_token = generate_refresh_token()
 
         # 更新令牌
-        user_id = int(getattr(token_record, "user_id"))
-        store_token(
+        await store_token(
             db,
-            user_id,
+            token_record.user_id,
             access_token,
             new_refresh_token,
             settings.ACCESS_TOKEN_EXPIRE_MINUTES * 60,
diff --git a/app/router/beatmap.py b/app/router/beatmap.py
index d232d4d..c02f79f 100644
--- a/app/router/beatmap.py
+++ b/app/router/beatmap.py
@@ -5,6 +5,7 @@ from app.database import (
     BeatmapResp,
     User as DBUser,
 )
+from app.database.beatmapset import Beatmapset
 from app.dependencies.database import get_db
 from app.dependencies.user import get_current_user
 
@@ -12,16 +13,24 @@ from .api_router import router
 
 from fastapi import Depends, HTTPException, Query
 from pydantic import BaseModel
-from sqlmodel import Session, col, select
+from sqlalchemy.orm import joinedload
+from sqlmodel import col, select
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 
 @router.get("/beatmaps/{bid}", tags=["beatmap"], response_model=BeatmapResp)
 async def get_beatmap(
     bid: int,
     current_user: DBUser = Depends(get_current_user),
-    db: Session = Depends(get_db),
+    db: AsyncSession = Depends(get_db),
 ):
-    beatmap = db.exec(select(Beatmap).where(Beatmap.id == bid)).first()
+    beatmap = (
+        await db.exec(
+            select(Beatmap)
+            .options(joinedload(Beatmap.beatmapset).selectinload(Beatmapset.beatmaps))  # pyright: ignore[reportArgumentType]
+            .where(Beatmap.id == bid)
+        )
+    ).first()
     if not beatmap:
         raise HTTPException(status_code=404, detail="Beatmap not found")
     return BeatmapResp.from_db(beatmap)
@@ -36,16 +45,30 @@ class BatchGetResp(BaseModel):
 async def batch_get_beatmaps(
     b_ids: list[int] = Query(alias="id", default_factory=list),
     current_user: DBUser = Depends(get_current_user),
-    db: Session = Depends(get_db),
+    db: AsyncSession = Depends(get_db),
 ):
     if not b_ids:
         # select 50 beatmaps by last_updated
-        beatmaps = db.exec(
-            select(Beatmap).order_by(col(Beatmap.last_updated).desc()).limit(50)
+        beatmaps = (
+            await db.exec(
+                select(Beatmap)
+                .options(
+                    joinedload(Beatmap.beatmapset).selectinload(Beatmapset.beatmaps)  # pyright: ignore[reportArgumentType]
+                )
+                .order_by(col(Beatmap.last_updated).desc())
+                .limit(50)
+            )
         ).all()
     else:
-        beatmaps = db.exec(
-            select(Beatmap).where(col(Beatmap.id).in_(b_ids)).limit(50)
+        beatmaps = (
+            await db.exec(
+                select(Beatmap)
+                .options(
+                    joinedload(Beatmap.beatmapset).selectinload(Beatmapset.beatmaps)  # pyright: ignore[reportArgumentType]
+                )
+                .where(col(Beatmap.id).in_(b_ids))
+                .limit(50)
+            )
         ).all()
 
     return BatchGetResp(beatmaps=[BeatmapResp.from_db(bm) for bm in beatmaps])
diff --git a/app/router/beatmapset.py b/app/router/beatmapset.py
index 68569cc..eceb19b 100644
--- a/app/router/beatmapset.py
+++ b/app/router/beatmapset.py
@@ -11,16 +11,24 @@ from app.dependencies.user import get_current_user
 from .api_router import router
 
 from fastapi import Depends, HTTPException
-from sqlmodel import Session, select
+from sqlalchemy.orm import selectinload
+from sqlmodel import select
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 
 @router.get("/beatmapsets/{sid}", tags=["beatmapset"], response_model=BeatmapsetResp)
 async def get_beatmapset(
     sid: int,
     current_user: DBUser = Depends(get_current_user),
-    db: Session = Depends(get_db),
+    db: AsyncSession = Depends(get_db),
 ):
-    beatmapset = db.exec(select(Beatmapset).where(Beatmapset.id == sid)).first()
+    beatmapset = (
+        await db.exec(
+            select(Beatmapset)
+            .options(selectinload(Beatmapset.beatmaps))  # pyright: ignore[reportArgumentType]
+            .where(Beatmapset.id == sid)
+        )
+    ).first()
     if not beatmapset:
         raise HTTPException(status_code=404, detail="Beatmapset not found")
     return BeatmapsetResp.from_db(beatmapset)
diff --git a/app/router/me.py b/app/router/me.py
index 82e43a1..93dcbdc 100644
--- a/app/router/me.py
+++ b/app/router/me.py
@@ -5,7 +5,7 @@ from typing import Literal
 from app.database import (
     User as DBUser,
 )
-from app.dependencies import get_current_user, get_db
+from app.dependencies import get_current_user
 from app.models.user import (
     User as ApiUser,
 )
@@ -14,7 +14,6 @@ from app.utils import convert_db_user_to_api_user
 from .api_router import router
 
 from fastapi import Depends
-from sqlalchemy.orm import Session
 
 
 @router.get("/me/{ruleset}", response_model=ApiUser)
@@ -22,9 +21,8 @@ from sqlalchemy.orm import Session
 async def get_user_info_default(
     ruleset: Literal["osu", "taiko", "fruits", "mania"] = "osu",
     current_user: DBUser = Depends(get_current_user),
-    db: Session = Depends(get_db),
 ):
     """获取当前用户信息（默认使用osu模式）"""
     # 默认使用osu模式
-    api_user = convert_db_user_to_api_user(current_user, ruleset, db)
+    api_user = await convert_db_user_to_api_user(current_user, ruleset)
     return api_user
diff --git a/app/router/signalr/__init__.py b/app/router/signalr/__init__.py
index 4094d6a..881b00e 100644
--- a/app/router/signalr/__init__.py
+++ b/app/router/signalr/__init__.py
@@ -1 +1,3 @@
+from __future__ import annotations
+
 from .router import router as signalr_router
diff --git a/app/router/signalr/router.py b/app/router/signalr/router.py
index 0894341..bce1611 100644
--- a/app/router/signalr/router.py
+++ b/app/router/signalr/router.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import json
-from logging import info
 import time
 from typing import Literal
 import uuid
@@ -9,15 +8,14 @@ import uuid
 from app.database import User as DBUser
 from app.dependencies import get_current_user
 from app.dependencies.database import get_db
-from app.dependencies.user import get_current_user_by_token, security
+from app.dependencies.user import get_current_user_by_token
 from app.models.signalr import NegotiateResponse, Transport
 from app.router.signalr.packet import SEP
 
 from .hub import Hubs
 
 from fastapi import APIRouter, Depends, Header, Query, WebSocket
-from fastapi.security import HTTPAuthorizationCredentials
-from sqlalchemy.orm import Session
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 router = APIRouter()
 
@@ -48,7 +46,7 @@ async def connect(
     websocket: WebSocket,
     id: str,
     authorization: str = Header(...),
-    db: Session = Depends(get_db),
+    db: AsyncSession = Depends(get_db),
 ):
     token = authorization[7:]
     user_id = id.split(":")[0]
diff --git a/app/router/signalr/utils.py b/app/router/signalr/utils.py
index bce3ae9..02d08c2 100644
--- a/app/router/signalr/utils.py
+++ b/app/router/signalr/utils.py
@@ -1,5 +1,8 @@
+from __future__ import annotations
+
+from collections.abc import Callable
 import inspect
-from typing import Any, Callable, ForwardRef, cast
+from typing import Any, ForwardRef, cast
 
 
 # https://github.com/pydantic/pydantic/blob/main/pydantic/v1/typing.py#L56-L66
diff --git a/app/utils.py b/app/utils.py
index 89c5d86..103e695 100644
--- a/app/utils.py
+++ b/app/utils.py
@@ -23,11 +23,9 @@ from app.models.user import (
     UserAchievement,
 )
 
-from sqlalchemy.orm import Session
 
-
-def convert_db_user_to_api_user(
-    db_user: DBUser, ruleset: str = "osu", db_session: Session | None = None
+async def convert_db_user_to_api_user(
+    db_user: DBUser, ruleset: str = "osu"
 ) -> User:
     """将数据库用户模型转换为API用户模型（使用 Lazer 表）"""
 
diff --git a/create_sample_data.py b/create_sample_data.py
index 5758cd8..c65c01d 100644
--- a/create_sample_data.py
+++ b/create_sample_data.py
@@ -5,419 +5,84 @@ osu! API 模拟服务器的示例数据填充脚本
 
 from __future__ import annotations
 
+import asyncio
 from datetime import datetime
 import time
 
 from app.auth import get_password_hash
 from app.database import (
-    DailyChallengeStats,
-    LazerUserAchievement,
-    LazerUserStatistics,
-    RankHistory,
     User,
 )
-from app.dependencies.database import engine, get_db
+from app.dependencies.database import create_tables, engine
 
-from sqlmodel import SQLModel
-
-# 创建所有表
-SQLModel.metadata.create_all(bind=engine)
+from sqlmodel import select
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 
-def create_sample_user():
+async def create_sample_user():
     """创建示例用户数据"""
-    with next(get_db()) as db:
-        # 检查用户是否已存在
-        from sqlmodel import select
+    async with AsyncSession(engine) as session:
+        async with session.begin():
 
-        statement = select(User).where(User.name == "Googujiang")
-        existing_user = db.exec(statement).first()
-        if existing_user:
-            print("示例用户已存在，跳过创建")
-            return existing_user
+            # 检查用户是否已存在
+            statement = select(User).where(User.name == "Googujiang")
+            result = await session.execute(statement)
+            existing_user = result.scalars().first()
+            if existing_user:
+                print("示例用户已存在，跳过创建")
+                return existing_user
 
-        # 当前时间戳
-        current_timestamp = int(time.time())
-        join_timestamp = int(datetime(2019, 11, 29, 17, 23, 13).timestamp())
-        last_visit_timestamp = int(datetime(2025, 7, 18, 16, 31, 29).timestamp())
+            # 当前时间戳
+            current_timestamp = int(time.time())
+            join_timestamp = int(datetime(2019, 11, 29, 17, 23, 13).timestamp())
+            last_visit_timestamp = int(datetime(2025, 7, 18, 16, 31, 29).timestamp())
 
-    # 创建用户
-    user = User(
-        name="Googujiang",
-        safe_name="googujiang",  # 安全用户名（小写）
-        email="googujiang@example.com",
-        priv=1,  # 默认权限
-        pw_bcrypt=get_password_hash("password123"),  # 使用新的哈希方式
-        country="JP",
-        silence_end=0,
-        donor_end=0,
-        creation_time=join_timestamp,
-        latest_activity=last_visit_timestamp,
-        clan_id=0,
-        clan_priv=0,
-        preferred_mode=0,  # 0 = osu!
-        play_style=0,
-        custom_badge_name=None,
-        custom_badge_icon=None,
-        userpage_content="「世界に忘れられた」",
-        api_key=None,
-        #     # 兼容性字段
-        #     avatar_url="https://a.ppy.sh/15651670?1732362658.jpeg",
-        #     cover_url="https://assets.ppy.sh/user-profile-covers/15651670/0fc7b77adef39765a570e7f535bc383e5a848850d41a8943f8857984330b8bc6.jpeg",
-        #     has_supported=True,
-        #     interests="「世界に忘れられた」",
-        #     location="咕谷国",
-        #     website="https://gmoe.cc",
-        #     playstyle=["mouse", "keyboard", "tablet"],
-        #     profile_order=[
-        #         "me",
-        #         "recent_activity",
-        #         "top_ranks",
-        #         "medals",
-        #         "historical",
-        #         "beatmaps",
-        #         "kudosu",
-        #     ],
-        #     beatmap_playcounts_count=3306,
-        #     favourite_beatmapset_count=15,
-        #     follower_count=98,
-        #     graveyard_beatmapset_count=7,
-        #     mapping_follower_count=1,
-        #     previous_usernames=["hehejun"],
-        #     monthly_playcounts=[
-        #         {"start_date": "2019-11-01", "count": 43},
-        #         {"start_date": "2020-04-01", "count": 216},
-        #         {"start_date": "2020-05-01", "count": 656},
-        #         {"start_date": "2020-07-01", "count": 158},
-        #         {"start_date": "2020-08-01", "count": 174},
-        #         {"start_date": "2020-10-01", "count": 13},
-        #         {"start_date": "2020-11-01", "count": 52},
-        #         {"start_date": "2020-12-01", "count": 140},
-        #         {"start_date": "2021-01-01", "count": 359},
-        #         {"start_date": "2021-02-01", "count": 452},
-        #         {"start_date": "2021-03-01", "count": 77},
-        #         {"start_date": "2021-04-01", "count": 114},
-        #         {"start_date": "2021-05-01", "count": 270},
-        #         {"start_date": "2021-06-01", "count": 148},
-        #         {"start_date": "2021-07-01", "count": 246},
-        #         {"start_date": "2021-08-01", "count": 56},
-        #         {"start_date": "2021-09-01", "count": 136},
-        #         {"start_date": "2021-10-01", "count": 45},
-        #         {"start_date": "2021-11-01", "count": 98},
-        #         {"start_date": "2021-12-01", "count": 54},
-        #         {"start_date": "2022-01-01", "count": 88},
-        #         {"start_date": "2022-02-01", "count": 45},
-        #         {"start_date": "2022-03-01", "count": 6},
-        #         {"start_date": "2022-04-01", "count": 54},
-        #         {"start_date": "2022-05-01", "count": 105},
-        #         {"start_date": "2022-06-01", "count": 37},
-        #         {"start_date": "2022-07-01", "count": 88},
-        #         {"start_date": "2022-08-01", "count": 7},
-        #         {"start_date": "2022-09-01", "count": 9},
-        #         {"start_date": "2022-10-01", "count": 6},
-        #         {"start_date": "2022-11-01", "count": 2},
-        #         {"start_date": "2022-12-01", "count": 16},
-        #         {"start_date": "2023-01-01", "count": 7},
-        #         {"start_date": "2023-04-01", "count": 16},
-        #         {"start_date": "2023-05-01", "count": 3},
-        #         {"start_date": "2023-06-01", "count": 8},
-        #         {"start_date": "2023-07-01", "count": 23},
-        #         {"start_date": "2023-08-01", "count": 3},
-        #         {"start_date": "2023-09-01", "count": 1},
-        #         {"start_date": "2023-10-01", "count": 25},
-        #         {"start_date": "2023-11-01", "count": 160},
-        #         {"start_date": "2023-12-01", "count": 306},
-        #         {"start_date": "2024-01-01", "count": 735},
-        #         {"start_date": "2024-02-01", "count": 420},
-        #         {"start_date": "2024-03-01", "count": 549},
-        #         {"start_date": "2024-04-01", "count": 466},
-        #         {"start_date": "2024-05-01", "count": 333},
-        #         {"start_date": "2024-06-01", "count": 1126},
-        #         {"start_date": "2024-07-01", "count": 534},
-        #         {"start_date": "2024-08-01", "count": 280},
-        #         {"start_date": "2024-09-01", "count": 116},
-        #         {"start_date": "2024-10-01", "count": 120},
-        #         {"start_date": "2024-11-01", "count": 332},
-        #         {"start_date": "2024-12-01", "count": 243},
-        #         {"start_date": "2025-01-01", "count": 122},
-        #         {"start_date": "2025-02-01", "count": 379},
-        #         {"start_date": "2025-03-01", "count": 278},
-        #         {"start_date": "2025-04-01", "count": 296},
-        #         {"start_date": "2025-05-01", "count": 964},
-        #         {"start_date": "2025-06-01", "count": 821},
-        #         {"start_date": "2025-07-01", "count": 230},
-        #     ],
-    )
+            # 创建用户
+            user = User(
+                name="Googujiang",
+                safe_name="googujiang",  # 安全用户名（小写）
+                email="googujiang@example.com",
+                priv=1,  # 默认权限
+                pw_bcrypt=get_password_hash("password123"),  # 使用新的哈希方式
+                country="JP",
+                silence_end=0,
+                donor_end=0,
+                creation_time=join_timestamp,
+                latest_activity=last_visit_timestamp,
+                clan_id=0,
+                clan_priv=0,
+                preferred_mode=0,  # 0 = osu!
+                play_style=0,
+                custom_badge_name=None,
+                custom_badge_icon=None,
+                userpage_content="「世界に忘れられた」",
+                api_key=None,
+            )
 
-    db.add(user)
-    db.commit()
-    db.refresh(user)
+            session.add(user)
+            await session.commit()
+            await session.refresh(user)
 
-    # 确保用户ID存在
-    if user.id is None:
-        raise ValueError("User ID is None after saving to database")
+            # 确保用户ID存在
+            if user.id is None:
+                raise ValueError("User ID is None after saving to database")
 
-    # 创建 osu! 模式统计
-    osu_stats = LazerUserStatistics(
-        user_id=user.id,
-        mode="osu",
-        count_100=276274,
-        count_300=1932068,
-        count_50=32776,
-        count_miss=111064,
-        level_current=97,
-        level_progress=96,
-        global_rank=298026,
-        country_rank=11221,
-        pp=2826.26,
-        ranked_score=4415081049,
-        hit_accuracy=95.7168,
-        play_count=12711,
-        play_time=836529,
-        total_score=12390140370,
-        total_hits=2241118,
-        maximum_combo=1859,
-        replays_watched_by_others=0,
-        is_ranked=True,
-        grade_ss=14,
-        grade_ssh=3,
-        grade_s=322,
-        grade_sh=11,
-        grade_a=757,
-        rank_highest=295701,
-        rank_highest_updated_at=datetime(2025, 7, 2, 17, 30, 21),
-    )
-
-    # 创建 taiko 模式统计
-    taiko_stats = LazerUserStatistics(
-        user_id=user.id,
-        mode="taiko",
-        count_100=160,
-        count_300=154,
-        count_50=0,
-        count_miss=480,
-        level_current=2,
-        level_progress=49,
-        global_rank=None,
-        pp=0,
-        ranked_score=0,
-        hit_accuracy=0,
-        play_count=6,
-        play_time=217,
-        total_score=79301,
-        total_hits=314,
-        maximum_combo=0,
-        replays_watched_by_others=0,
-        is_ranked=False,
-    )
-
-    # 创建 fruits 模式统计
-    fruits_stats = LazerUserStatistics(
-        user_id=user.id,
-        mode="fruits",
-        count_100=109,
-        count_300=1613,
-        count_50=1861,
-        count_miss=328,
-        level_current=6,
-        level_progress=14,
-        global_rank=None,
-        pp=0,
-        ranked_score=343854,
-        hit_accuracy=89.4779,
-        play_count=19,
-        play_time=669,
-        total_score=1362651,
-        total_hits=3583,
-        maximum_combo=75,
-        replays_watched_by_others=0,
-        is_ranked=False,
-        grade_a=1,
-    )
-
-    # 创建 mania 模式统计
-    mania_stats = LazerUserStatistics(
-        user_id=user.id,
-        mode="mania",
-        count_100=7867,
-        count_300=12104,
-        count_50=991,
-        count_miss=2951,
-        level_current=12,
-        level_progress=89,
-        global_rank=660670,
-        pp=25.3784,
-        ranked_score=3812295,
-        hit_accuracy=77.9316,
-        play_count=85,
-        play_time=4834,
-        total_score=13454470,
-        total_hits=20962,
-        maximum_combo=573,
-        replays_watched_by_others=0,
-        is_ranked=True,
-        grade_a=1,
-    )
-
-    db.add_all([osu_stats, taiko_stats, fruits_stats, mania_stats])
-
-    # 创建每日挑战统计
-    daily_challenge = DailyChallengeStats(
-        user_id=user.id,
-        daily_streak_best=1,
-        daily_streak_current=0,
-        last_update=datetime(2025, 6, 21, 0, 0, 0),
-        last_weekly_streak=datetime(2025, 6, 19, 0, 0, 0),
-        playcount=1,
-        top_10p_placements=0,
-        top_50p_placements=0,
-        weekly_streak_best=1,
-        weekly_streak_current=0,
-    )
-
-    db.add(daily_challenge)
-
-    # 创建排名历史 (最近90天的数据)
-    rank_data = [
-        322806,
-        323092,
-        323341,
-        323616,
-        323853,
-        324106,
-        324378,
-        324676,
-        324958,
-        325254,
-        325492,
-        325780,
-        326075,
-        326356,
-        326586,
-        326845,
-        327067,
-        327286,
-        327526,
-        327778,
-        328039,
-        328347,
-        328631,
-        328858,
-        329323,
-        329557,
-        329809,
-        329911,
-        330188,
-        330425,
-        330650,
-        330881,
-        331068,
-        331325,
-        331575,
-        331816,
-        332061,
-        328959,
-        315648,
-        315881,
-        308784,
-        309023,
-        309252,
-        309433,
-        309537,
-        309364,
-        309548,
-        308957,
-        309182,
-        309426,
-        309607,
-        309831,
-        310054,
-        310269,
-        310485,
-        310714,
-        310956,
-        310924,
-        311125,
-        311203,
-        311422,
-        311640,
-        303091,
-        303309,
-        303500,
-        303691,
-        303758,
-        303750,
-        303957,
-        299867,
-        300088,
-        300273,
-        300457,
-        295799,
-        295976,
-        296153,
-        296350,
-        296566,
-        296756,
-        296933,
-        297141,
-        297314,
-        297480,
-        297114,
-        297296,
-        297480,
-        297645,
-        297815,
-        297993,
-        298026,
-    ]
-
-    rank_history = RankHistory(user_id=user.id, mode="osu", rank_data=rank_data)
-
-    db.add(rank_history)
-
-    # 创建一些成就
-    achievements = [
-        LazerUserAchievement(
-            user_id=user.id,
-            achievement_id=336,
-            achieved_at=datetime(2025, 6, 21, 19, 6, 32),
-        ),
-        LazerUserAchievement(
-            user_id=user.id,
-            achievement_id=319,
-            achieved_at=datetime(2025, 6, 1, 0, 52, 0),
-        ),
-        LazerUserAchievement(
-            user_id=user.id,
-            achievement_id=222,
-            achieved_at=datetime(2025, 5, 28, 12, 24, 37),
-        ),
-        LazerUserAchievement(
-            user_id=user.id,
-            achievement_id=38,
-            achieved_at=datetime(2024, 7, 5, 15, 43, 23),
-        ),
-        LazerUserAchievement(
-            user_id=user.id,
-            achievement_id=67,
-            achieved_at=datetime(2024, 6, 24, 5, 6, 44),
-        ),
-    ]
-
-    db.add_all(achievements)
-
-    db.commit()
-    print(f"成功创建示例用户: {user.name} (ID: {user.id})")
-    print(f"安全用户名: {user.safe_name}")
-    print(f"邮箱: {user.email}")
-    print(f"国家: {user.country}")
-    return user
+            print(f"成功创建示例用户: {user.name} (ID: {user.id})")
+            print(f"安全用户名: {user.safe_name}")
+            print(f"邮箱: {user.email}")
+            print(f"国家: {user.country}")
+            return user
 
 
-if __name__ == "__main__":
+async def main():
     print("开始创建示例数据...")
-    user = create_sample_user()
+    await create_tables()
+    user = await create_sample_user()
     print("示例数据创建完成！")
     print(f"用户名: {user.name}")
     print("密码: password123")
     print("现在您可以使用这些凭据来测试API了。")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
diff --git a/main.py b/main.py
index 6e5cb9d..ce4d222 100644
--- a/main.py
+++ b/main.py
@@ -1,24 +1,31 @@
 from __future__ import annotations
 
+from contextlib import asynccontextmanager
 from datetime import datetime
 
 from app.config import settings
-from app.dependencies.database import engine
+from app.dependencies.database import create_tables
 from app.router import api_router, auth_router, signalr_router
 
 from fastapi import FastAPI
-from sqlmodel import SQLModel
 
 # 注意: 表结构现在通过 migrations 管理，不再自动创建
 # 如需创建表，请运行: python quick_sync.py
 
-app = FastAPI(title="osu! API 模拟服务器", version="1.0.0")
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    # on startup
+    await create_tables()
+    # on shutdown
+    yield
+
+
+app = FastAPI(title="osu! API 模拟服务器", version="1.0.0", lifespan=lifespan)
 app.include_router(api_router, prefix="/api/v2")
 app.include_router(signalr_router, prefix="/signalr")
 app.include_router(auth_router)
 
-SQLModel.metadata.create_all(bind=engine)
-
 
 @app.get("/")
 async def root():
diff --git a/pyproject.toml b/pyproject.toml
index 050918b..54c6850 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,6 +5,7 @@ description = "Add your description here"
 readme = "README.md"
 requires-python = ">=3.11"
 dependencies = [
+    "aiomysql>=0.2.0",
     "alembic>=1.12.1",
     "bcrypt>=4.1.2",
     "cryptography>=41.0.7",
@@ -12,7 +13,6 @@ dependencies = [
     "msgpack>=1.1.1",
     "passlib[bcrypt]>=1.7.4",
     "pydantic[email]>=2.5.0",
-    "pymysql>=1.1.0",
     "python-dotenv>=1.0.0",
     "python-jose[cryptography]>=3.3.0",
     "python-multipart>=0.0.6",
diff --git a/requirements.txt b/requirements.txt
index 2aa8b01..de329af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,6 @@ fastapi==0.104.1
 uvicorn[standard]==0.24.0
 sqlalchemy==2.0.23
 alembic==1.12.1
-pymysql==1.1.0
 cryptography==41.0.7
 redis==5.0.1
 python-jose[cryptography]==3.3.0
@@ -11,3 +10,4 @@ python-multipart==0.0.6
 pydantic[email]==2.5.0
 python-dotenv==1.0.0
 bcrypt==4.1.2
+aiomysql==0.2.0
diff --git a/test_lazer.py b/test_lazer.py
index 31ebb3c..627325d 100644
--- a/test_lazer.py
+++ b/test_lazer.py
@@ -12,108 +12,106 @@ import sys
 sys.path.append(os.path.dirname(os.path.dirname(__file__)))
 
 from app.database import User
-from app.dependencies.database import get_db
+from app.dependencies.database import engine
 from app.utils import convert_db_user_to_api_user
 
 from sqlmodel import select
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 
-def test_lazer_tables():
+async def test_lazer_tables():
     """测试 lazer 表的基本功能"""
     print("测试 Lazer API 表支持...")
 
-    # 获取数据库会话
-    db_gen = get_db()
-    db = next(db_gen)
+    async with AsyncSession(engine) as session:
+        async with session.begin():
+            try:
+                # 测试查询用户
+                statement = select(User)
+                result = await session.execute(statement)
+                user = result.scalars().first()
+                if not user:
+                    print("❌ 没有找到用户，请先同步数据")
+                    return False
 
-    try:
-        # 测试查询用户
-        statement = select(User)
-        user = db.exec(statement).first()
-        if not user:
-            print("❌ 没有找到用户，请先同步数据")
-            return False
+                print(f"✓ 找到用户: {user.name} (ID: {user.id})")
 
-        print(f"✓ 找到用户: {user.name} (ID: {user.id})")
+                # 测试 lazer 资料
+                if user.lazer_profile:
+                    print(
+                        f"✓ 用户有 lazer 资料: 支持者={user.lazer_profile.is_supporter}"
+                    )
+                else:
+                    print("⚠ 用户没有 lazer 资料，将使用默认值")
 
-        # 测试 lazer 资料
-        if user.lazer_profile:
-            print(f"✓ 用户有 lazer 资料: 支持者={user.lazer_profile.is_supporter}")
-        else:
-            print("⚠ 用户没有 lazer 资料，将使用默认值")
+                # 测试 lazer 统计
+                osu_stats = None
+                for stat in user.lazer_statistics:
+                    if stat.mode == "osu":
+                        osu_stats = stat
+                        break
 
-        # 测试 lazer 统计
-        osu_stats = None
-        for stat in user.lazer_statistics:
-            if stat.mode == "osu":
-                osu_stats = stat
-                break
+                if osu_stats:
+                    print(
+                        f"✓ 用户有 osu! 统计: PP={osu_stats.pp}, "
+                        f"游戏次数={osu_stats.play_count}"
+                    )
+                else:
+                    print("⚠ 用户没有 osu! 统计，将使用默认值")
 
-        if osu_stats:
-            print(
-                f"✓ 用户有 osu! 统计: PP={osu_stats.pp}, "
-                f"游戏次数={osu_stats.play_count}"
-            )
-        else:
-            print("⚠ 用户没有 osu! 统计，将使用默认值")
+                # 测试转换为 API 格式
+                api_user = convert_db_user_to_api_user(user, "osu")
+                print("✓ 成功转换为 API 用户格式")
+                print(f"  - 用户名: {api_user.username}")
+                print(f"  - 国家: {api_user.country_code}")
+                print(f"  - PP: {api_user.statistics.pp}")
+                print(f"  - 是否支持者: {api_user.is_supporter}")
 
-        # 测试转换为 API 格式
-        api_user = convert_db_user_to_api_user(user, "osu", db)
-        print("✓ 成功转换为 API 用户格式")
-        print(f"  - 用户名: {api_user.username}")
-        print(f"  - 国家: {api_user.country_code}")
-        print(f"  - PP: {api_user.statistics.pp}")
-        print(f"  - 是否支持者: {api_user.is_supporter}")
+                return True
 
-        return True
+            except Exception as e:
+                print(f"❌ 测试失败: {e}")
+                import traceback
 
-    except Exception as e:
-        print(f"❌ 测试失败: {e}")
-        import traceback
-
-        traceback.print_exc()
-        return False
-    finally:
-        db.close()
+                traceback.print_exc()
+                return False
 
 
-def test_authentication():
+async def test_authentication():
     """测试认证功能"""
     print("\n测试认证功能...")
 
-    db_gen = get_db()
-    db = next(db_gen)
+    async with AsyncSession(engine) as session:
+        async with session.begin():
+            try:
+                # 尝试认证第一个用户
+                statement = select(User)
+                result = await session.execute(statement)
+                user = result.scalars().first()
+                if not user:
+                    print("❌ 没有用户进行认证测试")
+                    return False
 
-    try:
-        # 尝试认证第一个用户
-        statement = select(User)
-        user = db.exec(statement).first()
-        if not user:
-            print("❌ 没有用户进行认证测试")
-            return False
+                print(f"✓ 测试用户: {user.name}")
+                print("⚠ 注意: 实际密码认证需要正确的密码")
 
-        print(f"✓ 测试用户: {user.name}")
-        print("⚠ 注意: 实际密码认证需要正确的密码")
+                return True
 
-        return True
-
-    except Exception as e:
-        print(f"❌ 认证测试失败: {e}")
-        return False
-    finally:
-        db.close()
+            except Exception as e:
+                print(f"❌ 认证测试失败: {e}")
+                return False
 
 
-def main():
+async def main():
     """主测试函数"""
     print("Lazer API 系统测试")
     print("=" * 40)
 
     # 测试表连接
-    success1 = test_lazer_tables()
+    success1 = await test_lazer_tables()
 
     # 测试认证
-    success2 = test_authentication()
+    success2 = await test_authentication()
 
     print("\n" + "=" * 40)
     if success1 and success2:
@@ -130,4 +128,6 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
+    import asyncio
+
+    asyncio.run(main())
diff --git a/uv.lock b/uv.lock
index 580869c..f3155e1 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2,6 +2,18 @@ version = 1
 revision = 2
 requires-python = ">=3.11"
 
+[[package]]
+name = "aiomysql"
+version = "0.2.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "pymysql" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/67/76/2c5b55e4406a1957ffdfd933a94c2517455291c97d2b81cec6813754791a/aiomysql-0.2.0.tar.gz", hash = "sha256:558b9c26d580d08b8c5fd1be23c5231ce3aeff2dadad989540fee740253deb67", size = 114706, upload-time = "2023-06-11T19:57:53.608Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/42/87/c982ee8b333c85b8ae16306387d703a1fcdfc81a2f3f15a24820ab1a512d/aiomysql-0.2.0-py3-none-any.whl", hash = "sha256:b7c26da0daf23a5ec5e0b133c03d20657276e4eae9b73e040b72787f6f6ade0a", size = 44215, upload-time = "2023-06-11T19:57:51.09Z" },
+]
+
 [[package]]
 name = "alembic"
 version = "1.16.4"
@@ -462,6 +474,7 @@ name = "osu-lazer-api"
 version = "0.1.0"
 source = { virtual = "." }
 dependencies = [
+    { name = "aiomysql" },
     { name = "alembic" },
     { name = "bcrypt" },
     { name = "cryptography" },
@@ -469,7 +482,6 @@ dependencies = [
     { name = "msgpack" },
     { name = "passlib", extra = ["bcrypt"] },
     { name = "pydantic", extra = ["email"] },
-    { name = "pymysql" },
     { name = "python-dotenv" },
     { name = "python-jose", extra = ["cryptography"] },
     { name = "python-multipart" },
@@ -487,6 +499,7 @@ dev = [
 
 [package.metadata]
 requires-dist = [
+    { name = "aiomysql", specifier = ">=0.2.0" },
     { name = "alembic", specifier = ">=1.12.1" },
     { name = "bcrypt", specifier = ">=4.1.2" },
     { name = "cryptography", specifier = ">=41.0.7" },
@@ -494,7 +507,6 @@ requires-dist = [
     { name = "msgpack", specifier = ">=1.1.1" },
     { name = "passlib", extras = ["bcrypt"], specifier = ">=1.7.4" },
     { name = "pydantic", extras = ["email"], specifier = ">=2.5.0" },
-    { name = "pymysql", specifier = ">=1.1.0" },
     { name = "python-dotenv", specifier = ">=1.0.0" },
     { name = "python-jose", extras = ["cryptography"], specifier = ">=3.3.0" },
     { name = "python-multipart", specifier = ">=0.0.6" },