diff --git a/frontend/src/pages/System/Menu/index.tsx b/frontend/src/pages/System/Menu/index.tsx
index 494e40db..aacf76ff 100644
--- a/frontend/src/pages/System/Menu/index.tsx
+++ b/frontend/src/pages/System/Menu/index.tsx
@@ -16,7 +16,6 @@ const MenuPage: React.FC = () => {
         pagination,
         loading,
         loadData: fetchMenus,
-        onPageChange,
         handleCreate,
         handleUpdate,
         handleDelete
@@ -26,8 +25,7 @@ const MenuPage: React.FC = () => {
         },
         defaultParams: {
             sortField: 'createTime',
-            sortOrder: 'descend',
-            pageSize: 1000
+            sortOrder: 'descend'
         }
     });
 
@@ -39,9 +37,12 @@ const MenuPage: React.FC = () => {
     const handleAdd = () => {
         setEditingMenu(null);
         form.resetFields();
+        
+        const maxSort = Math.max(0, ...menus.map(menu => menu.sort));
+        
         form.setFieldsValue({
             type: MenuTypeEnum.MENU,
-            sort: 0,
+            sort: maxSort + 10,
             hidden: false
         });
         setModalVisible(true);
@@ -62,7 +63,6 @@ const MenuPage: React.FC = () => {
         sorter: SorterResult<MenuResponse> | SorterResult<MenuResponse>[]
     ) => {
         const { field, order } = Array.isArray(sorter) ? sorter[0] : sorter;
-        
         fetchMenus({
             sortField: field as string,
             sortOrder: order
@@ -319,9 +319,14 @@ const MenuPage: React.FC = () => {
                     <Form.Item
                         name="sort"
                         label="显示排序"
+                        tooltip="值越大排序越靠后，默认为当前最大值+10"
                         rules={[{ required: true, message: '请输入显示排序' }]}
                     >
-                        <InputNumber style={{ width: '100%' }} min={0} placeholder="请输入显示排序" />
+                        <InputNumber 
+                            style={{ width: '100%' }} 
+                            min={0} 
+                            placeholder="请输入显示排序"
+                        />
                     </Form.Item>
 
                     <Form.Item
diff --git a/frontend/src/pages/System/Menu/service.ts b/frontend/src/pages/System/Menu/service.ts
index 7db94036..3036b945 100644
--- a/frontend/src/pages/System/Menu/service.ts
+++ b/frontend/src/pages/System/Menu/service.ts
@@ -1,17 +1,15 @@
 import request from '@/utils/request';
-import type {Page} from '@/types/base/page';
-import type {MenuResponse, MenuRequest, MenuQuery} from './types';
+import type { Page } from '@/types/base/page';
+import type { MenuResponse, MenuRequest } from './types';
 
 const BASE_URL = '/api/v1/menu';
 
 // 获取菜单列表(分页)
-export const getMenus = (params?: MenuQuery) =>
-    request.get<Page<MenuResponse>>(`${BASE_URL}/page`, {
-        params
-    });
+export const getMenus = (params?: any) => 
+    request.get<Page<MenuResponse>>(`${BASE_URL}/page`, { params });
 
 // 获取菜单树
-export const getMenuTree = () =>
+export const getMenuTree = () => 
     request.get<MenuResponse[]>(`${BASE_URL}/tree`);
 
 // 获取当前用户菜单
@@ -19,21 +17,14 @@ export const getCurrentUserMenus = () => {
     return request.get<MenuResponse[]>(`${BASE_URL}/current`);
 }
 
-
 // 创建菜单
-export const createMenu = (data: MenuRequest) =>
-    request.post<MenuResponse>(BASE_URL, data, {
-        successMessage: '创建菜单成功'
-    });
+export const createMenu = (data: MenuRequest) => 
+    request.post<MenuResponse>(BASE_URL, data);
 
 // 更新菜单
-export const updateMenu = (id: number, data: MenuRequest) =>
-    request.put<MenuResponse>(`${BASE_URL}/${id}`, data, {
-        successMessage: '更新菜单成功'
-    });
+export const updateMenu = (id: number, data: MenuRequest) => 
+    request.put<MenuResponse>(`${BASE_URL}/${id}`, data);
 
 // 删除菜单
-export const deleteMenu = (id: number) =>
-    request.delete(`${BASE_URL}/${id}`, {
-        successMessage: '删除菜单成功'
-    }); 
\ No newline at end of file
+export const deleteMenu = (id: number) => 
+    request.delete(`${BASE_URL}/${id}`); 
\ No newline at end of file
diff --git a/frontend/src/pages/System/Role/index.tsx b/frontend/src/pages/System/Role/index.tsx
index 353b8e40..54334e39 100644
--- a/frontend/src/pages/System/Role/index.tsx
+++ b/frontend/src/pages/System/Role/index.tsx
@@ -55,6 +55,14 @@ const RolePage: React.FC = () => {
     const handleAdd = () => {
         setEditingRole(null);
         form.resetFields();
+        
+        // 获取当前最大排序值
+        const maxSort = Math.max(0, ...roles.map(role => role.sort));
+        
+        form.setFieldsValue({
+            enabled: true,
+            sort: maxSort + 1  // 默认比最大值大1
+        });
         setModalVisible(true);
     };
 
@@ -345,10 +353,15 @@ const RolePage: React.FC = () => {
 
                     <Form.Item
                         name="sort"
-                        label="排序"
-                        rules={[{required: true, message: '请输入排序'}]}
+                        label="显示排序"
+                        tooltip="值越大排序越靠后，默认为当前最大值+1"
+                        rules={[{ required: true, message: '请输入排序' }]}
                     >
-                        <InputNumber style={{width: '100%'}} min={0} placeholder="请输入排序"/>
+                        <InputNumber 
+                            style={{ width: '100%' }} 
+                            min={0} 
+                            placeholder="请输入排序"
+                        />
                     </Form.Item>
                 </Form>
             </Modal>
diff --git a/frontend/src/pages/System/User/index.tsx b/frontend/src/pages/System/User/index.tsx
index f0f6676d..b268e856 100644
--- a/frontend/src/pages/System/User/index.tsx
+++ b/frontend/src/pages/System/User/index.tsx
@@ -1,9 +1,9 @@
 import React, {useEffect, useState} from 'react';
-import {Table, Button, Modal, Form, Input, Space, message, Switch, TreeSelect} from 'antd';
+import {Table, Button, Modal, Form, Input, Space, message, Switch, TreeSelect, Select} from 'antd';
 import {PlusOutlined, EditOutlined, DeleteOutlined, KeyOutlined, TeamOutlined} from '@ant-design/icons';
 import type {UserResponse, Role} from './types';
 import type {DepartmentDTO} from '../Department/types';
-import {resetPassword} from './service';
+import {resetPassword, assignRoles, getAllRoles} from './service';
 import {useTableData} from '@/hooks/useTableData';
 import type {FixedType, AlignType, SortOrder} from 'rc-table/lib/interface';
 import {Response} from "@/utils/request.ts";
@@ -16,7 +16,6 @@ const UserPage: React.FC = () => {
         pagination,
         loading,
         loadData: fetchUsers,
-        onPageChange,
         handleCreate,
         handleUpdate,
         handleDelete
@@ -26,7 +25,7 @@ const UserPage: React.FC = () => {
         },
         defaultParams: {
             sortField: 'createTime',
-            sortOrder: 'desc'
+            sortOrder: 'descend'
         }
     });
 
@@ -36,6 +35,14 @@ const UserPage: React.FC = () => {
     const [editingUser, setEditingUser] = useState<UserResponse | null>(null);
     const [form] = Form.useForm();
     const [passwordForm] = Form.useForm();
+    const [roleModalVisible, setRoleModalVisible] = useState(false);
+    const [selectedUser, setSelectedUser] = useState<UserResponse | null>(null);
+    const [selectedRoles, setSelectedRoles] = useState<number[]>([]);
+    const [allRoles, setAllRoles] = useState<RoleResponse[]>([]);
+
+    useEffect(() => {
+        getAllRoles().then(roles => setAllRoles(roles));
+    }, []);
 
     const handleAdd = () => {
         setEditingUser(null);
@@ -104,10 +111,26 @@ const UserPage: React.FC = () => {
         }));
     };
 
-    // const handleAssignRoles = (record: UserResponse) => {
-    //   setSelectedUser(record);
-    //   setRoleModalVisible(true);
-    // };
+    const handleAssignRoles = (record: UserResponse) => {
+        setSelectedUser(record);
+        setSelectedRoles(record.roles?.map(role => role.id) || []);
+        setRoleModalVisible(true);
+    };
+
+    const handleAssignRoleSubmit = async () => {
+        if (selectedUser) {
+            try {
+                await assignRoles(selectedUser.id, selectedRoles);
+                message.success("角色分配成功")
+                setRoleModalVisible(false);
+                fetchUsers();
+            } catch (error) {
+                message.error("角色分配失败")
+                console.log(error);
+            }
+
+        }
+    };
 
     const columns = [
         {
@@ -210,6 +233,15 @@ const UserPage: React.FC = () => {
                     >
                         删除
                     </Button>
+                    <Button
+                        type="link"
+                        size="small"
+                        icon={<TeamOutlined/>}
+                        onClick={() => handleAssignRoles(record)}
+                        disabled={record.username === 'admin'}
+                    >
+                        分配角色
+                    </Button>
                 </Space>
             ),
         },
@@ -220,7 +252,7 @@ const UserPage: React.FC = () => {
         filters: Record<string, FilterValue | null>,
         sorter: SorterResult<UserResponse> | SorterResult<UserResponse>[]
     ) => {
-        const { field, order } = Array.isArray(sorter) ? sorter[0] : sorter;
+        const {field, order} = Array.isArray(sorter) ? sorter[0] : sorter;
         fetchUsers({
             sortField: field as string,
             sortOrder: order
@@ -381,6 +413,33 @@ const UserPage: React.FC = () => {
                     </Form.Item>
                 </Form>
             </Modal>
+
+            <Modal
+                title="分配角色"
+                open={roleModalVisible}
+                onOk={handleAssignRoleSubmit}
+                onCancel={() => setRoleModalVisible(false)}
+                width={600}
+                destroyOnClose
+            >
+                <Form layout="vertical">
+                    <Form.Item label="选择角色">
+                        <Select
+                            mode="multiple"
+                            placeholder="请选择角色"
+                            value={selectedRoles}
+                            onChange={setSelectedRoles}
+                            style={{width: '100%'}}
+                        >
+                            {allRoles.map(role => (
+                                <Select.Option key={role.id} value={role.id}>
+                                    {role.name}
+                                </Select.Option>
+                            ))}
+                        </Select>
+                    </Form.Item>
+                </Form>
+            </Modal>
         </div>
     );
 };
diff --git a/frontend/src/pages/System/User/service.ts b/frontend/src/pages/System/User/service.ts
index 3b1f345e..6a744b71 100644
--- a/frontend/src/pages/System/User/service.ts
+++ b/frontend/src/pages/System/User/service.ts
@@ -3,33 +3,32 @@ import type { Page } from '@/types/base/page';
 import type { UserResponse, UserRequest, UserQuery } from './types';
 
 const BASE_URL = '/api/v1/user';
+const ROLE_BASE_URL = '/api/v1/role';
 
 // 获取用户列表(分页)
 export const getUsers = (params?: UserQuery) => 
-    request.get<Page<UserResponse>>(`${BASE_URL}/page`, {
-        params
-    });
+    request.get<Page<UserResponse>>(`${BASE_URL}/page`, { params });
 
 // 创建用户
 export const createUser = (data: UserRequest) => 
-    request.post<UserResponse>(BASE_URL, data, {
-        successMessage: '创建用户成功'
-    });
+    request.post<UserResponse>(BASE_URL, data);
 
 // 更新用户
 export const updateUser = (id: number, data: UserRequest) => 
-    request.put<UserResponse>(`${BASE_URL}/${id}`, data, {
-        successMessage: '更新用户成功'
-    });
+    request.put<UserResponse>(`${BASE_URL}/${id}`, data);
 
 // 删除用户
 export const deleteUser = (id: number) => 
-    request.delete(`${BASE_URL}/${id}`, {
-        successMessage: '删除用户成功'
-    });
+    request.delete(`${BASE_URL}/${id}`);
 
 // 重置密码
 export const resetPassword = (id: number, password: string) => 
-    request.post(`${BASE_URL}/${id}/reset-password`, password, {
-        successMessage: '密码重置成功'
-    });
+    request.post(`${BASE_URL}/${id}/reset-password`, { password });
+
+// 分配角色
+export const assignRoles = (userId: number, roleIds: number[]) => 
+    request.post(`${ROLE_BASE_URL}/${userId}/assignRoles`, roleIds);
+
+// 获取所有角色列表(不分页)
+export const getAllRoles = () => 
+    request.get<RoleResponse[]>(`${ROLE_BASE_URL}/list`);