diff --git a/main.py b/main.py
index 584421c..61f0403 100644
--- a/main.py
+++ b/main.py
@@ -4,7 +4,7 @@ from pkg.conf import appmeta
 from models.database import init_db
 from models.migration import migration
 from pkg.lifespan import lifespan
-from pkg.JWT import JWT
+from pkg.JWT import jwt as JWT
 from pkg.log import log, set_log_level
 
 # 添加初始化数据库启动项
diff --git a/middleware/auth.py b/middleware/auth.py
index 5e408c2..a0e6bf0 100644
--- a/middleware/auth.py
+++ b/middleware/auth.py
@@ -1,7 +1,7 @@
 from typing import Annotated, Optional
 from fastapi import Depends, HTTPException
 from models.user import User
-from pkg.JWT import JWT
+from pkg.JWT import jwt as JWT
 import jwt
 from jwt import InvalidTokenError
 
diff --git a/models/__init__.py b/models/__init__.py
index fc977d1..b0b0142 100644
--- a/models/__init__.py
+++ b/models/__init__.py
@@ -3,7 +3,7 @@
 from . import response
 
 # 将所有模型导入到这个包的命名空间中
-from .base import BaseModel
+from .base import TableBase
 from .download import Download
 from .file import File
 from .folder import Folder
@@ -24,7 +24,7 @@ from .webdav import WebDAV
 
 # 可以定义一个 __all__ 列表来明确指定可以被 from .models import * 导入的内容
 __all__ = [
-    "BaseModel", "Download", "File", "Folder", "Group", "Node", "Order",
+	"TableBase", "Download", "File", "Folder", "Group", "Node", "Order",
     "Policy", "Redeem", "Report", "Setting", "Share", "SourceLink",
     "StoragePack", "Tag", "Task", "User", "WebDAV"
 ]
\ No newline at end of file
diff --git a/models/base.py b/models/base.py
index 9e318a8..91d7c63 100644
--- a/models/base.py
+++ b/models/base.py
@@ -6,7 +6,7 @@ from sqlalchemy.ext.asyncio import AsyncAttrs
 
 utcnow = lambda: datetime.now(tz=timezone.utc)
 
-class BaseModel(SQLModel, AsyncAttrs):
+class TableBase(SQLModel, AsyncAttrs):
     __abstract__ = True
     
     id: Optional[int] = Field(default=None, primary_key=True, description="主键ID")
diff --git a/models/database.py b/models/database.py
index b326872..53b4b51 100644
--- a/models/database.py
+++ b/models/database.py
@@ -1,5 +1,3 @@
-# my_project/database.py
-
 from sqlmodel import SQLModel
 from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
 from sqlmodel.ext.asyncio.session import AsyncSession
diff --git a/models/download.py b/models/download.py
index 8e1077b..d0b0f3e 100644
--- a/models/download.py
+++ b/models/download.py
@@ -2,7 +2,7 @@
 
 from typing import Optional, TYPE_CHECKING
 from sqlmodel import Field, Relationship, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
@@ -10,7 +10,7 @@ if TYPE_CHECKING:
     from .task import Task
     from .node import Node
 
-class Download(BaseModel, table=True):
+class Download(TableBase, table=True):
     __tablename__ = 'downloads'
 
     status: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="下载状态: 0=进行中, 1=完成, 2=错误")
diff --git a/models/file.py b/models/file.py
index 33f1d9f..8c43ea8 100644
--- a/models/file.py
+++ b/models/file.py
@@ -2,7 +2,7 @@
 
 from typing import Optional, TYPE_CHECKING
 from sqlmodel import Field, Relationship, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
@@ -11,7 +11,7 @@ if TYPE_CHECKING:
     from .policy import Policy
     from .source_link import SourceLink
 
-class File(BaseModel, table=True):
+class File(TableBase, table=True):
     __tablename__ = 'files'
 
     name: str = Field(max_length=255, description="文件名")
diff --git a/models/folder.py b/models/folder.py
index 9eaa541..b2f66a4 100644
--- a/models/folder.py
+++ b/models/folder.py
@@ -2,7 +2,7 @@
 
 from typing import Optional, List, TYPE_CHECKING
 from sqlmodel import Field, Relationship, UniqueConstraint, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
@@ -10,7 +10,7 @@ if TYPE_CHECKING:
     from .policy import Policy
     from .file import File
 
-class Folder(BaseModel, table=True):
+class Folder(TableBase, table=True):
     __tablename__ = 'folders'
     __table_args__ = (UniqueConstraint("name", "parent_id", name="uq_folder_name_parent"),)
 
diff --git a/models/group.py b/models/group.py
index 9f2609e..6e175c5 100644
--- a/models/group.py
+++ b/models/group.py
@@ -3,13 +3,13 @@
 from tokenize import group
 from typing import Optional, List, TYPE_CHECKING
 from sqlmodel import Field, Relationship, text, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .user import User
 
-class Group(BaseModel, table=True):
+class Group(TableBase, table=True):
     __tablename__ = 'groups'
 
     name: str = Field(max_length=255, unique=True, description="用户组名")
@@ -17,6 +17,7 @@ class Group(BaseModel, table=True):
     max_storage: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="最大存储空间（字节）")
     share_enabled: bool = Field(default=False, sa_column_kwargs={"server_default": text("false")}, description="是否允许创建分享")
     web_dav_enabled: bool = Field(default=False, sa_column_kwargs={"server_default": text("false")}, description="是否允许使用WebDAV")
+    admin: bool = Field(default=False, description="是否为管理员组")
     speed_limit: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="速度限制 (KB/s), 0为不限制")
     options: Optional[str] = Field(default=None, description="其他选项 (JSON格式)")
 
diff --git a/models/node.py b/models/node.py
index 8a39e9a..8618099 100644
--- a/models/node.py
+++ b/models/node.py
@@ -2,13 +2,13 @@
 
 from typing import Optional, TYPE_CHECKING
 from sqlmodel import Field, Relationship, text, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .download import Download
 
-class Node(BaseModel, table=True):
+class Node(TableBase, table=True):
     __tablename__ = 'nodes'
     
     status: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="节点状态: 0=正常, 1=离线")
diff --git a/models/order.py b/models/order.py
index 2ebb0c5..dae2106 100644
--- a/models/order.py
+++ b/models/order.py
@@ -2,13 +2,13 @@
 
 from typing import Optional, TYPE_CHECKING
 from sqlmodel import Field, Relationship, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .user import User
 
-class Order(BaseModel, table=True):
+class Order(TableBase, table=True):
     __tablename__ = 'orders'
 
     order_no: str = Field(max_length=255, unique=True, index=True, description="订单号，唯一")
diff --git a/models/policy.py b/models/policy.py
index 4909762..ac8e19f 100644
--- a/models/policy.py
+++ b/models/policy.py
@@ -2,14 +2,14 @@
 
 from typing import Optional, List, TYPE_CHECKING
 from sqlmodel import Field, Relationship, text, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .file import File
     from .folder import Folder
 
-class Policy(BaseModel, table=True):
+class Policy(TableBase, table=True):
     __tablename__ = 'policies'
 
     name: str = Field(max_length=255, unique=True, description="策略名称")
diff --git a/models/redeem.py b/models/redeem.py
index 4b6e594..d23043a 100644
--- a/models/redeem.py
+++ b/models/redeem.py
@@ -2,10 +2,10 @@
 
 from typing import Optional
 from sqlmodel import Field, text, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
-class Redeem(BaseModel, table=True):
+class Redeem(TableBase, table=True):
     __tablename__ = 'redeems'
 
     type: int = Field(description="兑换码类型")
diff --git a/models/report.py b/models/report.py
index 764a038..1f081a1 100644
--- a/models/report.py
+++ b/models/report.py
@@ -2,13 +2,13 @@
 
 from typing import Optional, TYPE_CHECKING
 from sqlmodel import Field, Relationship, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .share import Share
 
-class Report(BaseModel, table=True):
+class Report(TableBase, table=True):
     __tablename__ = 'reports'
 
     reason: int = Field(description="举报原因代码")
diff --git a/models/response.py b/models/response.py
index fdb76df..9bdc2db 100644
--- a/models/response.py
+++ b/models/response.py
@@ -107,7 +107,7 @@ class UserSettingModel(BaseModel):
     two_factor: bool = Field(default=False, description="是否启用两步验证")
     uid: int = Field(default=0, description="用户UID")
 
-class FoldObjectModel(BaseModel):
+class ObjectModel(BaseModel):
     id: str = Field(default=..., description="对象ID")
     name: str = Field(default=..., description="对象名称")
     path: str = Field(default=..., description="对象路径")
@@ -133,5 +133,5 @@ class DirectoryModel(BaseModel):
     目录模型
     '''
     parent: str = Field(default=..., description="父目录ID")
-    objects: list[FoldObjectModel] = Field(default_factory=list, description="目录下的对象列表")
+    objects: list[ObjectModel] = Field(default_factory=list, description="目录下的对象列表")
     policy: PolicyModel = Field(default_factory=PolicyModel, description="存储策略")
\ No newline at end of file
diff --git a/models/setting.py b/models/setting.py
index f6cb13c..5e1227a 100644
--- a/models/setting.py
+++ b/models/setting.py
@@ -2,7 +2,7 @@
 
 from typing import Optional, Literal
 from sqlmodel import Field, UniqueConstraint, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 SETTINGS_TYPE = Literal[
@@ -34,7 +34,7 @@ SETTINGS_TYPE = Literal[
 ]
 
 # 数据库模型
-class Setting(BaseModel, table=True):
+class Setting(TableBase, table=True):
     __tablename__ = 'settings'
     __table_args__ = (UniqueConstraint("type", "name", name="uq_setting_type_name"),)
 
diff --git a/models/share.py b/models/share.py
index 2f4e2bf..13a249e 100644
--- a/models/share.py
+++ b/models/share.py
@@ -3,14 +3,14 @@
 from typing import Optional, TYPE_CHECKING
 from datetime import datetime
 from sqlmodel import Field, Relationship, text, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .user import User
     from .report import Report
 
-class Share(BaseModel, table=True):
+class Share(TableBase, table=True):
     __tablename__ = 'shares'
 
     password: Optional[str] = Field(default=None, max_length=255, description="分享密码（加密后）")
diff --git a/models/source_link.py b/models/source_link.py
index 9c5d3fb..c34ee58 100644
--- a/models/source_link.py
+++ b/models/source_link.py
@@ -2,13 +2,13 @@
 
 from typing import TYPE_CHECKING, Optional
 from sqlmodel import Field, Relationship, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .file import File
 
-class SourceLink(BaseModel, table=True):
+class SourceLink(TableBase, table=True):
     __tablename__ = 'source_links'
 
     name: str = Field(max_length=255, description="链接名称")
diff --git a/models/storage_pack.py b/models/storage_pack.py
index 2052ef2..6c3b8c6 100644
--- a/models/storage_pack.py
+++ b/models/storage_pack.py
@@ -3,13 +3,13 @@
 from typing import Optional, TYPE_CHECKING
 from datetime import datetime
 from sqlmodel import Field, Relationship, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .user import User
 
-class StoragePack(BaseModel, table=True):
+class StoragePack(TableBase, table=True):
     __tablename__ = 'storage_packs'
 
     name: str = Field(max_length=255, description="容量包名称")
diff --git a/models/tag.py b/models/tag.py
index 9831813..519fe63 100644
--- a/models/tag.py
+++ b/models/tag.py
@@ -2,13 +2,13 @@
 
 from typing import Optional, TYPE_CHECKING
 from sqlmodel import Field, Relationship, UniqueConstraint, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .user import User
 
-class Tag(BaseModel, table=True):
+class Tag(TableBase, table=True):
     __tablename__ = 'tags'
     __table_args__ = (UniqueConstraint("name", "user_id", name="uq_tag_name_user"),)
 
diff --git a/models/task.py b/models/task.py
index 8952df2..c6a81f4 100644
--- a/models/task.py
+++ b/models/task.py
@@ -2,14 +2,14 @@
 
 from typing import Optional, TYPE_CHECKING
 from sqlmodel import Field, Relationship, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from datetime import datetime
 
 if TYPE_CHECKING:
     from .user import User
     from .download import Download
 
-class Task(BaseModel, table=True):
+class Task(TableBase, table=True):
     __tablename__ = 'tasks'
 
     status: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="任务状态: 0=排队中, 1=处理中, 2=完成, 3=错误")
diff --git a/models/user.py b/models/user.py
index 176e597..9972bbd 100644
--- a/models/user.py
+++ b/models/user.py
@@ -3,7 +3,7 @@
 from typing import Optional, TYPE_CHECKING
 from datetime import datetime
 from sqlmodel import Field, Relationship, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 from .database import get_session
 from sqlmodel import select
 
@@ -20,7 +20,7 @@ if TYPE_CHECKING:
     from .task import Task
     from .webdav import WebDAV
 
-class User(BaseModel, table=True):
+class User(TableBase, table=True):
     __tablename__ = 'users'
 
     email: str = Field(max_length=100, unique=True, index=True, description="用户邮箱，唯一")
diff --git a/models/webdav.py b/models/webdav.py
index 209ac32..53d360c 100644
--- a/models/webdav.py
+++ b/models/webdav.py
@@ -2,12 +2,12 @@
 
 from typing import TYPE_CHECKING
 from sqlmodel import Field, Relationship, UniqueConstraint, text, Column, func, DateTime
-from .base import BaseModel
+from .base import TableBase
 
 if TYPE_CHECKING:
     from .user import User
 
-class WebDAV(BaseModel, table=True):
+class WebDAV(TableBase, table=True):
     __tablename__ = 'webdavs'
     __table_args__ = (UniqueConstraint("name", "user_id", name="uq_webdav_name_user"),)
 
diff --git a/service/user/login.py b/service/user/login.py
index 29da851..8eb0ff4 100644
--- a/service/user/login.py
+++ b/service/user/login.py
@@ -1,4 +1,4 @@
-from typing import Optional
+from pkg.JWT.jwt import create_access_token, create_refresh_token
 from models.setting import Setting
 from models.request import LoginRequest
 from models.response import TokenModel
@@ -53,7 +53,6 @@ async def Login(LoginRequest: LoginRequest) -> tuple[bool, TokenModel | str]:
         return False, "Account is banned"
     
     # 创建令牌
-    from pkg.JWT.JWT import create_access_token, create_refresh_token
     
     access_token, access_expire = create_access_token(data={'sub': user.email})
     refresh_token, refresh_expire = create_refresh_token(data={'sub': user.email})