修复数据库调用问题

model/user.py

@@ -0,0 +1,16 @@
+from typing import TYPE_CHECKING
+from sqlmodel import Field, Column, String, Boolean, Relationship
+from .base import TableBase, IdMixin
+
+if TYPE_CHECKING:
+    from .object import Object
+
+class User(IdMixin, TableBase, table=True):
+
+    email: str = Field(sa_column=Column(String(100), index=True, unique=True))
+    username: str = Field(sa_column=Column(String(50), index=True, unique=True))
+    password: str = Field(sa_column=Column(String(100)))
+
+    is_admin: bool = Field(default=False, sa_column=Column(Boolean, default=False))
+    
+    objects: list["Object"] = Relationship(back_populates="user")