diff --git a/docs/ext/async_db_session.py b/docs/ext/async_db_session.py
index 2f88d4d..7c22a7f 100644
--- a/docs/ext/async_db_session.py
+++ b/docs/ext/async_db_session.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
 
 async_engine = create_async_engine('数据库连接', future=True)
diff --git a/docs/ext/get_db.py b/docs/ext/get_db.py
index 0bb771f..e7a1ad4 100644
--- a/docs/ext/get_db.py
+++ b/docs/ext/get_db.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from typing import AsyncGenerator
 
 from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
diff --git a/sqlalchemy_crud_plus/__init__.py b/sqlalchemy_crud_plus/__init__.py
index f3208d9..9602dc8 100644
--- a/sqlalchemy_crud_plus/__init__.py
+++ b/sqlalchemy_crud_plus/__init__.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from .crud import CRUDPlus as CRUDPlus
 from .types import JoinConfig as JoinConfig
 
diff --git a/sqlalchemy_crud_plus/crud.py b/sqlalchemy_crud_plus/crud.py
index 8d78a77..45c2387 100644
--- a/sqlalchemy_crud_plus/crud.py
+++ b/sqlalchemy_crud_plus/crud.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from datetime import datetime, timezone
 from typing import Any, Generic, Sequence, cast
 
diff --git a/sqlalchemy_crud_plus/errors.py b/sqlalchemy_crud_plus/errors.py
index 0bfa8eb..edcaf89 100644
--- a/sqlalchemy_crud_plus/errors.py
+++ b/sqlalchemy_crud_plus/errors.py
@@ -1,7 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-
 class SQLAlchemyCRUDPlusException(Exception):
     def __init__(self, msg: str) -> None:
         self.msg = msg
diff --git a/sqlalchemy_crud_plus/types.py b/sqlalchemy_crud_plus/types.py
index 7829d2f..c5308d0 100644
--- a/sqlalchemy_crud_plus/types.py
+++ b/sqlalchemy_crud_plus/types.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from __future__ import annotations
 
 from typing import Any, Literal, TypeVar
diff --git a/sqlalchemy_crud_plus/utils.py b/sqlalchemy_crud_plus/utils.py
index 5ef41ce..2344ee8 100644
--- a/sqlalchemy_crud_plus/utils.py
+++ b/sqlalchemy_crud_plus/utils.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from __future__ import annotations
 
 import warnings
diff --git a/tests/conftest.py b/tests/conftest.py
index 954798b..250e75d 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from typing import AsyncGenerator
 
 import pytest
diff --git a/tests/models/__init__.py b/tests/models/__init__.py
index 56fafa5..e69de29 100644
--- a/tests/models/__init__.py
+++ b/tests/models/__init__.py
@@ -1,2 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
diff --git a/tests/models/basic.py b/tests/models/basic.py
index 24044e7..94d8c76 100644
--- a/tests/models/basic.py
+++ b/tests/models/basic.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from datetime import datetime
 
 from sqlalchemy import String
diff --git a/tests/models/no_relationship.py b/tests/models/no_relationship.py
index 18df1a6..6280c70 100644
--- a/tests/models/no_relationship.py
+++ b/tests/models/no_relationship.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from sqlalchemy import String
 from sqlalchemy.orm import DeclarativeBase, Mapped, MappedAsDataclass, declared_attr, mapped_column
 
diff --git a/tests/models/relationship.py b/tests/models/relationship.py
index c24be49..580fa07 100644
--- a/tests/models/relationship.py
+++ b/tests/models/relationship.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from __future__ import annotations
 
 from sqlalchemy import Column, ForeignKey, Integer, String, Table
diff --git a/tests/schemas/__init__.py b/tests/schemas/__init__.py
index 56fafa5..e69de29 100644
--- a/tests/schemas/__init__.py
+++ b/tests/schemas/__init__.py
@@ -1,2 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
diff --git a/tests/schemas/basic.py b/tests/schemas/basic.py
index 48957c4..e2d3d5a 100644
--- a/tests/schemas/basic.py
+++ b/tests/schemas/basic.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from pydantic import BaseModel
 
 
diff --git a/tests/schemas/relationship.py b/tests/schemas/relationship.py
index b869314..a312e2b 100644
--- a/tests/schemas/relationship.py
+++ b/tests/schemas/relationship.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from pydantic import BaseModel, ConfigDict
 
 
diff --git a/tests/test_create.py b/tests/test_create.py
index b636652..02a328c 100644
--- a/tests/test_create.py
+++ b/tests/test_create.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 from datetime import datetime
 
 import pytest
diff --git a/tests/test_delete.py b/tests/test_delete.py
index 780d593..eac2dde 100644
--- a/tests/test_delete.py
+++ b/tests/test_delete.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy.ext.asyncio import AsyncSession
diff --git a/tests/test_filters.py b/tests/test_filters.py
index cb1e809..1d73bbf 100644
--- a/tests/test_filters.py
+++ b/tests/test_filters.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy.ext.asyncio import AsyncSession
diff --git a/tests/test_no_relationship.py b/tests/test_no_relationship.py
index 47dc4a6..e984d4b 100644
--- a/tests/test_no_relationship.py
+++ b/tests/test_no_relationship.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy.engine.row import Row
diff --git a/tests/test_pagination.py b/tests/test_pagination.py
index 5341818..1cc0fd3 100644
--- a/tests/test_pagination.py
+++ b/tests/test_pagination.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy.ext.asyncio import AsyncSession
diff --git a/tests/test_pks.py b/tests/test_pks.py
index daa7a3f..aeb55a7 100644
--- a/tests/test_pks.py
+++ b/tests/test_pks.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy.ext.asyncio import AsyncSession
diff --git a/tests/test_relationship.py b/tests/test_relationship.py
index d6d6c87..50e4157 100644
--- a/tests/test_relationship.py
+++ b/tests/test_relationship.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy.ext.asyncio import AsyncSession
diff --git a/tests/test_select.py b/tests/test_select.py
index 767a42a..b8171dc 100644
--- a/tests/test_select.py
+++ b/tests/test_select.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy.engine.row import Row
diff --git a/tests/test_update.py b/tests/test_update.py
index 1417c6d..06e4c1c 100644
--- a/tests/test_update.py
+++ b/tests/test_update.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy.ext.asyncio import AsyncSession
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 8502681..c84ee4e 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 import pytest
 
 from sqlalchemy import select