diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 58de18a8..b1ec64c4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -18,10 +18,10 @@ repos:
     rev: 23.3.0
     hooks:
       - id: black
-        language_version: python3.8
+        language_version: python3.10
         args:
           - '--skip-string-normalization'
           - '--line-length'
           - '120'
           - '--target-version'
-          - 'py38'
+          - 'py310'
diff --git a/.ruff.toml b/.ruff.toml
index b47ea802..7047c408 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -9,6 +9,10 @@ select = [
     "PGH004",
     "PLE1142",
     "RUF100",
+    "I002",
+    "F404",
+    "TCH",
+    "UP007"
 ]
 ignore = ["F401"]
 line-length = 120
@@ -34,3 +38,8 @@ ignore-variadic-names = true
 [isort]
 lines-between-types = 1
 order-by-type = true
+required-imports = ["from __future__ import annotations"]
+
+[per-file-ignores]
+"backend/app/api/v1/*.py" = ["TCH"]
+"backend/app/models/*.py" = ["TCH003"]
diff --git a/backend/app/alembic/env.py b/backend/app/alembic/env.py
index ab44aefd..3987ff99 100644
--- a/backend/app/alembic/env.py
+++ b/backend/app/alembic/env.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import asyncio
 import os
 import sys
diff --git a/backend/app/api/jwt.py b/backend/app/api/jwt.py
index 90330918..652b7aae 100644
--- a/backend/app/api/jwt.py
+++ b/backend/app/api/jwt.py
@@ -1,7 +1,9 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
+
 from datetime import datetime, timedelta
-from typing import Any, Union
+from typing import Any
 
 from fastapi import Depends
 from fastapi.security import OAuth2PasswordBearer
@@ -13,7 +15,7 @@
 from backend.app.common.exception.errors import AuthorizationError, TokenError
 from backend.app.core.conf import settings
 from backend.app.crud.crud_user import UserDao
-from backend.app.database.db_mysql import CurrentSession
+from backend.app.database.db_mysql import CurrentSession  # noqa: TCH001
 from backend.app.models import User
 
 pwd_context = CryptContext(schemes=['bcrypt'], deprecated='auto')
@@ -42,7 +44,7 @@ def password_verify(plain_password: str, hashed_password: str) -> bool:
     return pwd_context.verify(plain_password, hashed_password)
 
 
-def create_access_token(data: Union[int, Any], expires_delta: Union[timedelta, None] = None) -> str:
+def create_access_token(data: int | Any, expires_delta: timedelta | None = None) -> str:
     """
     Generate encryption token
 
diff --git a/backend/app/api/routers.py b/backend/app/api/routers.py
index 56375567..b000598a 100644
--- a/backend/app/api/routers.py
+++ b/backend/app/api/routers.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 from fastapi import APIRouter
 
 from backend.app.api.v1.auth import router as auth_router
diff --git a/backend/app/api/service/user_service.py b/backend/app/api/service/user_service.py
index acf7c590..f2616ea2 100644
--- a/backend/app/api/service/user_service.py
+++ b/backend/app/api/service/user_service.py
@@ -1,17 +1,23 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
 from email_validator import validate_email, EmailNotValidError
-from fastapi.security import OAuth2PasswordRequestForm
 from fastapi_pagination.ext.sqlalchemy import paginate
 
 from backend.app.api import jwt
 from backend.app.common.exception import errors
 from backend.app.crud.crud_user import UserDao
 from backend.app.database.db_mysql import async_db_session
-from backend.app.models import User
-from backend.app.schemas.user import CreateUser, ResetPassword, UpdateUser, Avatar
 from backend.app.utils import re_verify
 
+if TYPE_CHECKING:
+    from fastapi.security import OAuth2PasswordRequestForm
+    from backend.app.models import User
+    from backend.app.schemas.user import CreateUser, ResetPassword, UpdateUser, Avatar
+
 
 class UserService:
     @staticmethod
diff --git a/backend/app/api/v1/auth/__init__.py b/backend/app/api/v1/auth/__init__.py
index caa19ead..812f590c 100644
--- a/backend/app/api/v1/auth/__init__.py
+++ b/backend/app/api/v1/auth/__init__.py
@@ -1,3 +1,4 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 from backend.app.api.v1.auth.user import router
diff --git a/backend/app/api/v1/auth/user.py b/backend/app/api/v1/auth/user.py
index a1c12c00..eebca46f 100644
--- a/backend/app/api/v1/auth/user.py
+++ b/backend/app/api/v1/auth/user.py
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
+
 from fastapi import APIRouter, Depends
 from fastapi.security import OAuth2PasswordRequestForm
 
diff --git a/backend/app/api/v1/task_demo.py b/backend/app/api/v1/task_demo.py
index d6ceb14e..32823f62 100644
--- a/backend/app/api/v1/task_demo.py
+++ b/backend/app/api/v1/task_demo.py
@@ -1,9 +1,11 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
+
 import datetime
+from typing import Annotated
 
 from fastapi import APIRouter, Query
-from typing_extensions import Annotated
 
 from backend.app.common.task import scheduler
 
diff --git a/backend/app/common/enums.py b/backend/app/common/enums.py
index cc1d145c..12507dce 100644
--- a/backend/app/common/enums.py
+++ b/backend/app/common/enums.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 from enum import Enum
 
 
diff --git a/backend/app/common/exception/errors.py b/backend/app/common/exception/errors.py
index a5f5ed8f..4dd07e48 100644
--- a/backend/app/common/exception/errors.py
+++ b/backend/app/common/exception/errors.py
@@ -1,10 +1,12 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-from typing import Any
+from __future__ import annotations
+from typing import Any, TYPE_CHECKING
 
 from fastapi import HTTPException
 
-from backend.app.common.response.response_code import CodeEnum
+if TYPE_CHECKING:
+    from backend.app.common.response.response_code import CodeEnum
 
 
 class BaseExceptionMixin(Exception):
diff --git a/backend/app/common/exception/exception_handler.py b/backend/app/common/exception/exception_handler.py
index 8a49b17a..883c7f8b 100644
--- a/backend/app/common/exception/exception_handler.py
+++ b/backend/app/common/exception/exception_handler.py
@@ -1,8 +1,9 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import json
+from typing import TYPE_CHECKING
 
-from fastapi import FastAPI, Request
 from fastapi.exceptions import RequestValidationError, HTTPException
 from pydantic import ValidationError
 from starlette.responses import JSONResponse
@@ -12,6 +13,9 @@
 from backend.app.common.response.response_schema import response_base
 from backend.app.core.conf import settings
 
+if TYPE_CHECKING:
+    from fastapi import FastAPI, Request
+
 
 def _get_exception_code(status_code):
     """
diff --git a/backend/app/common/log.py b/backend/app/common/log.py
index 30d1a7f5..1446f2f8 100644
--- a/backend/app/common/log.py
+++ b/backend/app/common/log.py
@@ -3,13 +3,16 @@
 from __future__ import annotations
 
 import os
+from typing import TYPE_CHECKING
 
-import loguru
 from loguru import logger
 
 from backend.app.core import path_conf
 from backend.app.core.conf import settings
 
+if TYPE_CHECKING:
+    import loguru
+
 
 class Logger:
     @staticmethod
diff --git a/backend/app/common/pagination.py b/backend/app/common/pagination.py
index e195d570..b428c674 100644
--- a/backend/app/common/pagination.py
+++ b/backend/app/common/pagination.py
@@ -35,7 +35,7 @@ class Page(AbstractPage[T], Generic[T]):
     page: int  # 第n页
     size: int  # 每页数量
     total_pages: int  # 总页数
-    links: Dict[str, Union[str, None]]  # 跳转链接
+    links: Dict[str, str | None]  # 跳转链接
 
     __params_type__ = Params  # 使用自定义的Params
 
diff --git a/backend/app/common/redis.py b/backend/app/common/redis.py
index f4e035f5..dde1ee08 100644
--- a/backend/app/common/redis.py
+++ b/backend/app/common/redis.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import sys
 
 from aioredis import Redis, TimeoutError, AuthenticationError
diff --git a/backend/app/common/response/response_code.py b/backend/app/common/response/response_code.py
index a55dc15a..5253394b 100644
--- a/backend/app/common/response/response_code.py
+++ b/backend/app/common/response/response_code.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 from enum import Enum
 
 
diff --git a/backend/app/common/response/response_schema.py b/backend/app/common/response/response_schema.py
index e2909d8f..c7d13887 100644
--- a/backend/app/common/response/response_schema.py
+++ b/backend/app/common/response/response_schema.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 from datetime import datetime
 from typing import Optional, Any, Union, Set, Dict
 
@@ -18,7 +19,7 @@ class ResponseModel(BaseModel):
 
     code: int = 200
     msg: str = 'Success'
-    data: Optional[Any] = None
+    data: Any | None = None
 
     class Config:
         json_encoders = {datetime: lambda x: x.strftime('%Y-%m-%d %H:%M:%S')}
@@ -31,9 +32,7 @@ def __encode_json(data: Any):
 
     @staticmethod
     @validate_arguments
-    def success(
-        *, code: int = 200, msg: str = 'Success', data: Optional[Any] = None, exclude: Optional[_JsonEncoder] = None
-    ):
+    def success(*, code: int = 200, msg: str = 'Success', data: Any | None = None, exclude: _JsonEncoder | None = None):
         """
         请求成功返回通用方法
 
@@ -48,13 +47,13 @@ def success(
 
     @staticmethod
     @validate_arguments
-    def fail(*, code: int = 400, msg: str = 'Bad Request', data: Any = None, exclude: Optional[_JsonEncoder] = None):
+    def fail(*, code: int = 400, msg: str = 'Bad Request', data: Any = None, exclude: _JsonEncoder | None = None):
         data = data if data is None else ResponseBase.__encode_json(data)
         return ResponseModel(code=code, msg=msg, data=data).dict(exclude={'data': exclude})
 
     @staticmethod
     @validate_arguments
-    def response_200(*, msg: str = 'Success', data: Optional[Any] = None, exclude: Optional[_JsonEncoder] = None):
+    def response_200(*, msg: str = 'Success', data: Any | None = None, exclude: _JsonEncoder | None = None):
         data = data if data is None else ResponseBase.__encode_json(data)
         return ResponseModel(code=200, msg=msg, data=data).dict(exclude={'data': exclude})
 
diff --git a/backend/app/common/task.py b/backend/app/common/task.py
index 5a1888b6..5cd9d2f8 100644
--- a/backend/app/common/task.py
+++ b/backend/app/common/task.py
@@ -1,5 +1,6 @@
 # !/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import tzlocal
 from apscheduler.executors.asyncio import AsyncIOExecutor
 from apscheduler.jobstores.redis import RedisJobStore
diff --git a/backend/app/core/conf.py b/backend/app/core/conf.py
index 59f53635..d7406632 100644
--- a/backend/app/core/conf.py
+++ b/backend/app/core/conf.py
@@ -1,7 +1,8 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
+
 from functools import lru_cache
-from typing import Optional
 
 from pydantic import BaseSettings, root_validator
 
@@ -35,9 +36,9 @@ class Settings(BaseSettings):
     TITLE: str = 'FastAPI'
     VERSION: str = '0.0.1'
     DESCRIPTION: str = 'FastAPI Best Architecture'
-    DOCS_URL: Optional[str] = '/v1/docs'
-    REDOCS_URL: Optional[str] = '/v1/redocs'
-    OPENAPI_URL: Optional[str] = '/v1/openapi'
+    DOCS_URL: str | None = '/v1/docs'
+    REDOCS_URL: str | None = '/v1/redocs'
+    OPENAPI_URL: str | None = '/v1/openapi'
 
     @root_validator
     def validator_api_url(cls, values):
diff --git a/backend/app/core/path_conf.py b/backend/app/core/path_conf.py
index 343ab987..13b30aa9 100644
--- a/backend/app/core/path_conf.py
+++ b/backend/app/core/path_conf.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import os
 from pathlib import Path
 
diff --git a/backend/app/core/registrar.py b/backend/app/core/registrar.py
index 2aa96477..f6a49e77 100644
--- a/backend/app/core/registrar.py
+++ b/backend/app/core/registrar.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 from contextlib import asynccontextmanager
 
 from fastapi import FastAPI
diff --git a/backend/app/crud/base.py b/backend/app/crud/base.py
index c22a51ef..88a47140 100644
--- a/backend/app/crud/base.py
+++ b/backend/app/crud/base.py
@@ -1,13 +1,17 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-from typing import Any, Dict, Generic, Type, TypeVar, Union, Optional, NoReturn
+from __future__ import annotations
+
+from typing import Any, Dict, Generic, Type, TypeVar, NoReturn, TYPE_CHECKING
 
 from pydantic import BaseModel
 from sqlalchemy import select, update, delete
-from sqlalchemy.ext.asyncio import AsyncSession
 
 from backend.app.database.base_class import MappedBase
 
+if TYPE_CHECKING:
+    from sqlalchemy.ext.asyncio import AsyncSession
+
 ModelType = TypeVar('ModelType', bound=MappedBase)
 CreateSchemaType = TypeVar('CreateSchemaType', bound=BaseModel)
 UpdateSchemaType = TypeVar('UpdateSchemaType', bound=BaseModel)
@@ -17,7 +21,7 @@ class CRUDBase(Generic[ModelType, CreateSchemaType, UpdateSchemaType]):
     def __init__(self, model: Type[ModelType]):
         self.model = model
 
-    async def get(self, db: AsyncSession, pk: int) -> Optional[ModelType]:
+    async def get(self, db: AsyncSession, pk: int) -> ModelType | None:
         """
         通过主键 id 获取一条数据
 
@@ -28,7 +32,7 @@ async def get(self, db: AsyncSession, pk: int) -> Optional[ModelType]:
         model = await db.execute(select(self.model).where(self.model.id == pk))
         return model.scalars().first()
 
-    async def create(self, db: AsyncSession, obj_in: CreateSchemaType, user_id: Optional[int] = None) -> NoReturn:
+    async def create(self, db: AsyncSession, obj_in: CreateSchemaType, user_id: int | None = None) -> NoReturn:
         """
         新增一条数据
 
@@ -44,7 +48,7 @@ async def create(self, db: AsyncSession, obj_in: CreateSchemaType, user_id: Opti
         db.add(db_obj)
 
     async def update(
-        self, db: AsyncSession, pk: int, obj_in: Union[UpdateSchemaType, Dict[str, Any]], user_id: Optional[int] = None
+        self, db: AsyncSession, pk: int, obj_in: UpdateSchemaType | Dict[str, Any], user_id: int | None = None
     ) -> int:
         """
         通过主键 id 更新一条数据
diff --git a/backend/app/crud/crud_user.py b/backend/app/crud/crud_user.py
index 7138fab4..5b6cc314 100644
--- a/backend/app/crud/crud_user.py
+++ b/backend/app/crud/crud_user.py
@@ -1,22 +1,25 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-from typing import Optional, NoReturn
+from __future__ import annotations
+from typing import Optional, NoReturn, TYPE_CHECKING
 
 from sqlalchemy import func, select, update, desc
-from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy.sql import Select
 
 from backend.app.api import jwt
 from backend.app.crud.base import CRUDBase
 from backend.app.models import User
 from backend.app.schemas.user import CreateUser, UpdateUser, Avatar
 
+if TYPE_CHECKING:
+    from sqlalchemy.ext.asyncio import AsyncSession
+    from sqlalchemy.sql import Select
+
 
 class CRUDUser(CRUDBase[User, CreateUser, UpdateUser]):
-    async def get_user_by_id(self, db: AsyncSession, user_id: int) -> Optional[User]:
+    async def get_user_by_id(self, db: AsyncSession, user_id: int) -> User | None:
         return await self.get(db, user_id)
 
-    async def get_user_by_username(self, db: AsyncSession, username: str) -> Optional[User]:
+    async def get_user_by_username(self, db: AsyncSession, username: str) -> User | None:
         user = await db.execute(select(self.model).where(self.model.username == username))
         return user.scalars().first()
 
diff --git a/backend/app/database/base_class.py b/backend/app/database/base_class.py
index 280c7948..a874e0fa 100644
--- a/backend/app/database/base_class.py
+++ b/backend/app/database/base_class.py
@@ -1,13 +1,17 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
+
 import uuid
-from datetime import datetime
-from typing import Optional
+from typing import TYPE_CHECKING
 
 from sqlalchemy import func
 from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, declared_attr, MappedAsDataclass
 from typing_extensions import Annotated
 
+if TYPE_CHECKING:
+    import datetime
+
 # 通用 Mapped 类型主键, 需手动添加，参考以下使用方式
 # MappedBase -> id: Mapped[id_key]
 # DataClassBase && Base -> id: Mapped[id_key] = mapped_column(init=False)
@@ -24,9 +28,9 @@ class _BaseMixin(MappedAsDataclass):
     """
 
     create_user: Mapped[int] = mapped_column(sort_order=9999, comment='创建者')
-    update_user: Mapped[Optional[int]] = mapped_column(init=False, default=None, sort_order=9999, comment='修改者')
+    update_user: Mapped[int | None] = mapped_column(init=False, default=None, sort_order=9999, comment='修改者')
     created_time: Mapped[datetime] = mapped_column(init=False, default=func.now(), sort_order=9999, comment='创建时间')
-    updated_time: Mapped[Optional[datetime]] = mapped_column(
+    updated_time: Mapped[datetime | None] = mapped_column(
         init=False, onupdate=func.now(), sort_order=9999, comment='更新时间'
     )
 
diff --git a/backend/app/database/db_mysql.py b/backend/app/database/db_mysql.py
index 31bfefba..a4c282af 100644
--- a/backend/app/database/db_mysql.py
+++ b/backend/app/database/db_mysql.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import sys
 
 from fastapi import Depends
diff --git a/backend/app/init_test_data.py b/backend/app/init_test_data.py
index 34d1f498..4db6b58a 100644
--- a/backend/app/init_test_data.py
+++ b/backend/app/init_test_data.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import asyncio
 
 from email_validator import EmailNotValidError, validate_email
diff --git a/backend/app/main.py b/backend/app/main.py
index bb831790..232a29bb 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import uvicorn
 from path import Path
 
diff --git a/backend/app/middleware/access_middle.py b/backend/app/middleware/access_middle.py
index 0682d6a7..fcf908ee 100644
--- a/backend/app/middleware/access_middle.py
+++ b/backend/app/middleware/access_middle.py
@@ -1,12 +1,16 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 from datetime import datetime
+from typing import TYPE_CHECKING
 
-from fastapi import Request, Response
 from starlette.middleware.base import BaseHTTPMiddleware
 
 from backend.app.common.log import log
 
+if TYPE_CHECKING:
+    from fastapi import Request, Response
+
 
 class AccessMiddleware(BaseHTTPMiddleware):
     """
diff --git a/backend/app/models/__init__.py b/backend/app/models/__init__.py
index eac378ee..8cf0139d 100644
--- a/backend/app/models/__init__.py
+++ b/backend/app/models/__init__.py
@@ -4,5 +4,6 @@
 # 导入所有模型，并将 Base 放在最前面， 以便 Base 拥有它们
 # imported by Alembic
 """
+from __future__ import annotations
 from backend.app.database.base_class import MappedBase
 from backend.app.models.user import User
diff --git a/backend/app/models/user.py b/backend/app/models/user.py
index f2ceca7d..cc6a88e1 100644
--- a/backend/app/models/user.py
+++ b/backend/app/models/user.py
@@ -1,7 +1,8 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
+
 from datetime import datetime
-from typing import Optional
 
 from sqlalchemy import func, String
 from sqlalchemy.orm import Mapped, mapped_column
@@ -21,7 +22,7 @@ class User(DataClassBase):
     email: Mapped[str] = mapped_column(String(50), unique=True, index=True, comment='邮箱')
     is_superuser: Mapped[bool] = mapped_column(default=False, comment='超级权限')
     is_active: Mapped[bool] = mapped_column(default=True, comment='用户账号状态')
-    avatar: Mapped[Optional[str]] = mapped_column(String(255), default=None, comment='头像')
-    mobile_number: Mapped[Optional[str]] = mapped_column(String(11), default=None, comment='手机号')
+    avatar: Mapped[str | None] = mapped_column(String(255), default=None, comment='头像')
+    mobile_number: Mapped[str | None] = mapped_column(String(11), default=None, comment='手机号')
     time_joined: Mapped[datetime] = mapped_column(init=False, default=func.now(), comment='注册时间')
-    last_login: Mapped[Optional[datetime]] = mapped_column(init=False, onupdate=func.now(), comment='上次登录')
+    last_login: Mapped[datetime | None] = mapped_column(init=False, onupdate=func.now(), comment='上次登录')
diff --git a/backend/app/schemas/token.py b/backend/app/schemas/token.py
index 088e432e..b5e30a53 100644
--- a/backend/app/schemas/token.py
+++ b/backend/app/schemas/token.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-from typing import Optional
+from __future__ import annotations
 
 from pydantic import BaseModel
 
@@ -10,4 +10,4 @@ class Token(BaseModel):
     msg: str = 'Success'
     access_token: str
     token_type: str = 'Bearer'
-    is_superuser: Optional[bool] = None
+    is_superuser: bool | None = None
diff --git a/backend/app/schemas/user.py b/backend/app/schemas/user.py
index 18503bc6..18220708 100644
--- a/backend/app/schemas/user.py
+++ b/backend/app/schemas/user.py
@@ -1,10 +1,14 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-import datetime
-from typing import Optional
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
 
 from pydantic import BaseModel, Field, HttpUrl
 
+if TYPE_CHECKING:
+    import datetime
+
 
 class Auth(BaseModel):
     username: str
@@ -18,7 +22,7 @@ class CreateUser(Auth):
 class UpdateUser(BaseModel):
     username: str
     email: str
-    mobile_number: Optional[str] = None
+    mobile_number: str | None = None
 
 
 class Avatar(BaseModel):
@@ -28,9 +32,9 @@ class Avatar(BaseModel):
 class GetUserInfo(UpdateUser):
     id: int
     uid: str
-    avatar: Optional[str] = None
+    avatar: str | None = None
     time_joined: datetime.datetime = None
-    last_login: Optional[datetime.datetime] = None
+    last_login: datetime.datetime | None = None
     is_superuser: bool
     is_active: bool
 
diff --git a/backend/app/utils/generate_string.py b/backend/app/utils/generate_string.py
index 446e96f5..ec4965f8 100644
--- a/backend/app/utils/generate_string.py
+++ b/backend/app/utils/generate_string.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import datetime
 import uuid
 
diff --git a/backend/app/utils/re_verify.py b/backend/app/utils/re_verify.py
index a5d27d8b..4979be3c 100644
--- a/backend/app/utils/re_verify.py
+++ b/backend/app/utils/re_verify.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 import re
 
 
diff --git a/docker_conf.py b/docker_conf.py
index d5ae4d6e..218f08b8 100644
--- a/docker_conf.py
+++ b/docker_conf.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from __future__ import annotations
 from functools import lru_cache
 from typing import Optional
 
@@ -11,9 +12,9 @@ class Settings(BaseSettings):
     TITLE: str = 'FastAPI'
     VERSION: str = 'v0.0.1'
     DESCRIPTION: str = 'FastAPI Best Architecture'
-    DOCS_URL: Optional[str] = '/v1/docs'
-    REDOCS_URL: Optional[str] = None
-    OPENAPI_URL: Optional[str] = '/v1/openapi'
+    DOCS_URL: str | None = '/v1/docs'
+    REDOCS_URL: str | None = None
+    OPENAPI_URL: str | None = '/v1/openapi'
 
     # Static Server
     STATIC_FILES: bool = False
diff --git a/gunicorn.conf.py b/gunicorn.conf.py
index d4e789c6..23017d0c 100644
--- a/gunicorn.conf.py
+++ b/gunicorn.conf.py
@@ -1,4 +1,6 @@
 # 监听内网端口
+from __future__ import annotations
+
 bind = '0.0.0.0:8001'
 
 # 工作目录