diff --git a/backend/app/admin/crud/crud_data_scope.py b/backend/app/admin/crud/crud_data_scope.py
index ccbf409d..cd05586b 100644
--- a/backend/app/admin/crud/crud_data_scope.py
+++ b/backend/app/admin/crud/crud_data_scope.py
@@ -117,11 +117,13 @@ class CRUDDataScope(CRUDPlus[DataScope]):
         data_scope_rule_stmt = delete(data_scope_rule).where(data_scope_rule.c.data_scope_id == pk)
         await db.execute(data_scope_rule_stmt)
 
-        data_scope_rule_data = [
-            CreateDataScopeRuleParam(data_scope_id=pk, data_rule_id=rule_id).model_dump() for rule_id in rule_ids.rules
-        ]
-        data_scope_rule_stmt = insert(data_scope_rule)
-        await db.execute(data_scope_rule_stmt, data_scope_rule_data)
+        if rule_ids.rules:
+            data_scope_rule_data = [
+                CreateDataScopeRuleParam(data_scope_id=pk, data_rule_id=rule_id).model_dump()
+                for rule_id in rule_ids.rules
+            ]
+            data_scope_rule_stmt = insert(data_scope_rule)
+            await db.execute(data_scope_rule_stmt, data_scope_rule_data)
 
         return len(rule_ids.rules)
 
diff --git a/backend/app/admin/crud/crud_role.py b/backend/app/admin/crud/crud_role.py
index 775b5916..2a6b38bf 100644
--- a/backend/app/admin/crud/crud_role.py
+++ b/backend/app/admin/crud/crud_role.py
@@ -135,11 +135,12 @@ class CRUDRole(CRUDPlus[Role]):
         role_menu_stmt = delete(role_menu).where(role_menu.c.role_id == role_id)
         await db.execute(role_menu_stmt)
 
-        role_menu_data = [
-            CreateRoleMenuParam(role_id=role_id, menu_id=menu_id).model_dump() for menu_id in menu_ids.menus
-        ]
-        role_menu_stmt = insert(role_menu)
-        await db.execute(role_menu_stmt, role_menu_data)
+        if menu_ids.menus:
+            role_menu_data = [
+                CreateRoleMenuParam(role_id=role_id, menu_id=menu_id).model_dump() for menu_id in menu_ids.menus
+            ]
+            role_menu_stmt = insert(role_menu)
+            await db.execute(role_menu_stmt, role_menu_data)
 
         return len(menu_ids.menus)
 
@@ -156,11 +157,13 @@ class CRUDRole(CRUDPlus[Role]):
         role_scope_stmt = delete(role_data_scope).where(role_data_scope.c.role_id == role_id)
         await db.execute(role_scope_stmt)
 
-        role_scope_data = [
-            CreateRoleScopeParam(role_id=role_id, data_scope_id=scope_id).model_dump() for scope_id in scope_ids.scopes
-        ]
-        role_scope_stmt = insert(role_data_scope)
-        await db.execute(role_scope_stmt, role_scope_data)
+        if scope_ids.scopes:
+            role_scope_data = [
+                CreateRoleScopeParam(role_id=role_id, data_scope_id=scope_id).model_dump()
+                for scope_id in scope_ids.scopes
+            ]
+            role_scope_stmt = insert(role_data_scope)
+            await db.execute(role_scope_stmt, role_scope_data)
 
         return len(scope_ids.scopes)
 
diff --git a/backend/app/admin/crud/crud_user.py b/backend/app/admin/crud/crud_user.py
index 65d7c6c7..4eb6a955 100644
--- a/backend/app/admin/crud/crud_user.py
+++ b/backend/app/admin/crud/crud_user.py
@@ -122,13 +122,14 @@ class CRUDUser(CRUDPlus[User]):
         db.add(new_user)
         await db.flush()
 
-        role_stmt = select(Role).where(Role.id.in_(obj.roles))
-        result = await db.execute(role_stmt)
-        roles = result.scalars().all()
+        if obj.roles:
+            role_stmt = select(Role).where(Role.id.in_(obj.roles))
+            result = await db.execute(role_stmt)
+            roles = result.scalars().all()
 
-        user_role_data = [AddUserRoleParam(user_id=new_user.id, role_id=role.id).model_dump() for role in roles]
-        user_role_stmt = insert(user_role)
-        await db.execute(user_role_stmt, user_role_data)
+            user_role_data = [AddUserRoleParam(user_id=new_user.id, role_id=role.id).model_dump() for role in roles]
+            user_role_stmt = insert(user_role)
+            await db.execute(user_role_stmt, user_role_data)
 
     async def add_by_oauth2(self, db: AsyncSession, obj: AddOAuth2UserParam) -> None:
         """
@@ -165,16 +166,17 @@ class CRUDUser(CRUDPlus[User]):
 
         count = await self.update_model(db, user_id, obj)
 
-        role_stmt = select(Role).where(Role.id.in_(role_ids))
-        result = await db.execute(role_stmt)
-        roles = result.scalars().all()
-
         user_role_stmt = delete(user_role).where(user_role.c.user_id == user_id)
         await db.execute(user_role_stmt)
 
-        user_role_data = [AddUserRoleParam(user_id=user_id, role_id=role.id).model_dump() for role in roles]
-        user_role_stmt = insert(user_role)
-        await db.execute(user_role_stmt, user_role_data)
+        if role_ids:
+            role_stmt = select(Role).where(Role.id.in_(role_ids))
+            result = await db.execute(role_stmt)
+            roles = result.scalars().all()
+
+            user_role_data = [AddUserRoleParam(user_id=user_id, role_id=role.id).model_dump() for role in roles]
+            user_role_stmt = insert(user_role)
+            await db.execute(user_role_stmt, user_role_data)
 
         return count
 
diff --git a/backend/app/admin/service/data_scope_service.py b/backend/app/admin/service/data_scope_service.py
index 5ed739ff..70b054d0 100644
--- a/backend/app/admin/service/data_scope_service.py
+++ b/backend/app/admin/service/data_scope_service.py
@@ -3,6 +3,7 @@ from typing import Any
 
 from sqlalchemy.ext.asyncio import AsyncSession
 
+from backend.app.admin.crud.crud_data_rule import data_rule_dao
 from backend.app.admin.crud.crud_data_scope import data_scope_dao
 from backend.app.admin.model import DataScope
 from backend.app.admin.schema.data_scope import (
@@ -117,6 +118,13 @@ class DataScopeService:
         :param rule_ids: 规则 ID 列表
         :return:
         """
+        data_scope = await data_scope_dao.get(db, pk)
+        if not data_scope:
+            raise errors.NotFoundError(msg='数据范围不存在')
+        for rule_id in rule_ids.rules:
+            rule = await data_rule_dao.get(db, rule_id)
+            if not rule:
+                raise errors.NotFoundError(msg='数据规则不存在')
         count = await data_scope_dao.update_rules(db, pk, rule_ids)
         await user_cache_manager.clear_by_data_scope_id(db, [pk])
         return count