diff --git a/fastapi_user_auth/auth/models.py b/fastapi_user_auth/auth/models.py
index 21402c7..be1cfb8 100644
--- a/fastapi_user_auth/auth/models.py
+++ b/fastapi_user_auth/auth/models.py
@@ -21,8 +21,8 @@
 class BaseUser(PkMixin, CUDTimeMixin, UsernameMixin, PasswordMixin, EmailMixin):
     __tablename__ = "auth_user"
     is_active: bool = Field(default=True, title=_("Is Active"))
-    nickname: str = Field("", title=_("Nickname"), max_length=40)
-    avatar: str = Field(
+    nickname: Optional[str] = Field("", title=_("Nickname"), max_length=40)
+    avatar: Optional[str] = Field(
         "",
         title=_("Avatar"),
         max_length=255,
diff --git a/fastapi_user_auth/mixins/models.py b/fastapi_user_auth/mixins/models.py
index 50760f5..7447e6a 100644
--- a/fastapi_user_auth/mixins/models.py
+++ b/fastapi_user_auth/mixins/models.py
@@ -1,28 +1,30 @@
 from datetime import datetime
 from typing import Optional
 
-from fastapi_amis_admin.models.fields import Field
+from fastapi_amis_admin.models import Field, SQLModel
 from fastapi_amis_admin.utils.translation import i18n as _
 from pydantic import EmailStr, SecretStr
 from sqlalchemy import func
 from sqlmodel import AutoString
-from sqlmodelx import SQLModel
 
 from fastapi_user_auth.utils.sqltypes import SecretStrType
 
 
 class PkMixin(SQLModel):
-    id: Optional[int] = Field(default=None, title="ID", primary_key=True, nullable=False)
+    id: Optional[int] = Field(
+        default=None, title="ID", primary_key=True, nullable=False, sa_column_kwargs={"autoincrement": True}
+    )
 
 
 class CreateTimeMixin(SQLModel):
-    create_time: datetime = Field(default_factory=datetime.now, title=_("Create Time"))
+    create_time: datetime = Field(default_factory=datetime.now, title=_("Create Time"), index=True)
 
 
 class UpdateTimeMixin(SQLModel):
     update_time: Optional[datetime] = Field(
         default_factory=datetime.now,
         title=_("Update Time"),
+        index=True,
         sa_column_kwargs={"onupdate": func.now(), "server_default": func.now()},
     )
 
diff --git a/pyproject.toml b/pyproject.toml
index cbefed7..a77b450 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,10 +36,10 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
 ]
 dependencies = [
-    "fastapi-amis-admin>=0.6.0,<0.8.0",
+    "fastapi-amis-admin>=0.7.0a2,<0.8.0",
     "email-validator>=1.3.1,<3.0.0",
     "passlib>=1.7.4",
-    "bcrypt>=4.0.0",
+    "bcrypt>=4.0.0,<4.1.0",
     "casbin>=1.29.0",
 ]
 
@@ -65,7 +65,7 @@ test = [
     "pre-commit>=2.20.0",
     "httpx>=0.23.3",
     "pydantic-settings>=2.0.0",
-    "fastapi-amis-admin>=0.7.0a1",
+    "fastapi-amis-admin>=0.7.0a2",
 ]
 
 # pytest