diff --git a/README.md b/README.md
index a2656e8..7501487 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@
 - **细粒度权限控制**：实现按钮和接口级别的权限控制，确保不同用户或角色在界面操作和接口访问时具有不同的权限限制。
 
 ### 在线预览
-- http://139.9.100.77:9999
+- http://vue-fastapi-admin.com
 - username: admin
 - password: 123456
 
diff --git a/app/core/crud.py b/app/core/crud.py
index 8611a68..326b7b9 100644
--- a/app/core/crud.py
+++ b/app/core/crud.py
@@ -1,4 +1,4 @@
-from typing import Any, Dict, Generic, List, NewType, Tuple, Type, TypeVar, Union
+from typing import Any, Dict, Generic, List, NewType, Tuple, Type, TypeVar, Union,Optional
 
 from pydantic import BaseModel
 from tortoise.expressions import Q
@@ -17,8 +17,14 @@ def __init__(self, model: Type[ModelType]):
     async def get(self, id: int) -> ModelType:
         return await self.model.get(id=id)
 
-    async def list(self, page: int, page_size: int, search: Q = Q(), order: list = []) -> Tuple[Total, List[ModelType]]:
+
+    async def list(self,page: int,page_size: int,search: Q = Q(),order: list = [],prefetch_related_fields: Optional[List[str]] = None) -> Tuple[Total, List[ModelType]]:
         query = self.model.filter(search)
+
+        if prefetch_related_fields:
+            for field in prefetch_related_fields:
+                query = query.prefetch_related(field)
+
         return await query.count(), await query.offset((page - 1) * page_size).limit(page_size).order_by(*order)
 
     async def create(self, obj_in: CreateSchemaType) -> ModelType: