diff --git a/e2e/pages/system-permission.spec.ts b/e2e/pages/system-permission.spec.ts
index 1cbd085..11ab090 100644
--- a/e2e/pages/system-permission.spec.ts
+++ b/e2e/pages/system-permission.spec.ts
@@ -19,6 +19,12 @@ test.describe('系统管理 / 权限配置', () => {
     await page.getByRole('button', { name: '保 存' }).click();
     await expect(page.getByText('菜单已保存')).toBeVisible();
     await expect(page.getByRole('tree').getByText('用户中心')).toBeVisible();
+
+    await page.getByRole('tab', { name: '按钮权限' }).click();
+    const buttonPanel = page.getByRole('tabpanel', { name: '按钮权限' });
+    await expect(buttonPanel.getByRole('row').filter({ hasText: 'system:user:add' })).toContainText(
+      '系统管理 / 用户中心',
+    );
   });
 
   test('可新增同级菜单', async ({ page }) => {
@@ -42,4 +48,15 @@ test.describe('系统管理 / 权限配置', () => {
     await expect(buttonPanel.getByText('system:user:import')).toBeVisible();
     await expect(page.getByText('按钮权限已添加')).toBeVisible();
   });
+
+  test('删除菜单时同步清理按钮权限', async ({ page }) => {
+    await page.getByRole('button', { name: '删除' }).first().click();
+    await page.getByRole('button', { name: '确 定' }).click();
+    await expect(page.getByText('菜单已删除')).toBeVisible();
+
+    await page.getByRole('tab', { name: '按钮权限' }).click();
+    const buttonPanel = page.getByRole('tabpanel', { name: '按钮权限' });
+    await expect(buttonPanel.getByText('system:user:add')).toHaveCount(0);
+    await expect(buttonPanel.getByText('system:user:edit')).toHaveCount(0);
+  });
 });
diff --git a/e2e/pages/system-roles.spec.ts b/e2e/pages/system-roles.spec.ts
index 5fadba5..876001c 100644
--- a/e2e/pages/system-roles.spec.ts
+++ b/e2e/pages/system-roles.spec.ts
@@ -40,6 +40,9 @@ test.describe('系统管理 / 角色管理', () => {
     await expect(page.getByText('配置权限 - 运营')).toBeVisible();
     await expect(page.getByText('菜单权限')).toBeVisible();
     await expect(page.getByText('按钮权限')).toBeVisible();
+    await expect(page.getByRole('treeitem', { name: '用量明细' })).toHaveAttribute('aria-checked', 'false');
+    await expect(page.getByRole('treeitem', { name: '模型列表' })).toHaveAttribute('aria-checked', 'true');
+    await expect(page.getByRole('checkbox', { name: 'system:user:add' })).toBeChecked();
 
     await page.getByRole('button', { name: '保 存' }).click();
     await expect(page.getByText('权限已保存')).toBeVisible();
diff --git a/e2e/pages/system-users.spec.ts b/e2e/pages/system-users.spec.ts
index 46970e6..0fe7176 100644
--- a/e2e/pages/system-users.spec.ts
+++ b/e2e/pages/system-users.spec.ts
@@ -51,9 +51,14 @@ test.describe('系统管理 / 用户管理', () => {
     await operatorRow.getByRole('button', { name: '编辑' }).click();
     const dialog = page.getByRole('dialog', { name: '编辑用户' });
     await dialog.getByLabel('昵称').fill('新运营');
+    await dialog.getByLabel('备注').fill('负责日常运营');
     await dialog.getByRole('button', { name: '保 存' }).click();
     await expect(page.getByText('新运营', { exact: true })).toBeVisible();
 
+    await operatorRow.getByRole('button', { name: '编辑' }).click();
+    await expect(page.getByRole('dialog', { name: '编辑用户' }).getByLabel('备注')).toHaveValue('负责日常运营');
+    await page.getByRole('dialog', { name: '编辑用户' }).getByRole('button', { name: '取 消' }).click();
+
     const viewerRow = page.getByRole('row').filter({ hasText: 'viewer' });
     await viewerRow.getByRole('button', { name: '删除' }).click();
     await page.getByRole('button', { name: '确 定' }).click();
diff --git a/src/pages/system/permission/index.tsx b/src/pages/system/permission/index.tsx
index 8e875f4..c20429b 100644
--- a/src/pages/system/permission/index.tsx
+++ b/src/pages/system/permission/index.tsx
@@ -93,6 +93,11 @@ const removeNode = (nodes: MenuPermissionNode[], key: string): MenuPermissionNod
     .filter(node => node.key !== key)
     .map(node => (node.children ? { ...node, children: removeNode(node.children, key) } : node));
 
+const collectNodeKeys = (node: MenuPermissionNode): string[] => [
+  node.key,
+  ...(node.children?.flatMap(collectNodeKeys) ?? []),
+];
+
 const toTreeData = (nodes: MenuPermissionNode[]): DataNode[] =>
   nodes.map(node => ({
     key: node.key,
@@ -212,8 +217,10 @@ export default function PermissionManagement() {
 
   const deleteMenu = () => {
     if (!selectedNode) return;
+    const removedKeys = new Set(collectNodeKeys(selectedNode));
     const nextTree = removeNode(menuTree, selectedKey);
     setMenuTree(nextTree);
+    setButtons(current => current.filter(item => !removedKeys.has(item.menuKey)));
     const fallback = nextTree[0]?.key ?? nextTree[0]?.children?.[0]?.key;
     if (fallback) {
       setSelectedKey(fallback);
@@ -228,10 +235,17 @@ export default function PermissionManagement() {
   const saveMenu = async () => {
     if (!selectedKey) return;
     const values = await menuForm.validateFields();
-    setMenuTree(current =>
-      updateNode(current, selectedKey, node => ({
-        ...node,
-        ...values,
+    const nextTree = updateNode(menuTree, selectedKey, node => ({
+      ...node,
+      ...values,
+    }));
+    const menuPaths = new Map(flattenMenus(nextTree).map(item => [item.key, item.label]));
+
+    setMenuTree(nextTree);
+    setButtons(current =>
+      current.map(item => ({
+        ...item,
+        menuPath: menuPaths.get(item.menuKey) ?? item.menuPath,
       })),
     );
     message.success('菜单已保存');
diff --git a/src/pages/system/role/index.tsx b/src/pages/system/role/index.tsx
index 345b0f5..9a220a0 100644
--- a/src/pages/system/role/index.tsx
+++ b/src/pages/system/role/index.tsx
@@ -287,6 +287,7 @@ export default function RoleManagement() {
             </Typography.Title>
             <Tree
               checkable
+              checkStrictly
               defaultExpandAll
               checkedKeys={menuKeys}
               treeData={menuPermissionTree}
diff --git a/src/pages/system/role/mock.ts b/src/pages/system/role/mock.ts
index d6ff48a..9ad6cce 100644
--- a/src/pages/system/role/mock.ts
+++ b/src/pages/system/role/mock.ts
@@ -1,3 +1,9 @@
+import {
+  initialButtonPermissions,
+  initialMenuTree,
+  type MenuPermissionNode as PermissionMenuNode,
+} from '../permission/mock';
+
 export interface RoleItem {
   id: string;
   name: string;
@@ -16,36 +22,19 @@ export interface MenuPermissionNode {
   children?: MenuPermissionNode[];
 }
 
-export const menuPermissionTree: MenuPermissionNode[] = [
-  { key: 'dashboard', title: '总览' },
-  {
-    key: 'llm',
-    title: '大模型管理',
-    children: [
-      { key: 'llm-models', title: '模型列表' },
-      { key: 'llm-providers', title: '供应商管理' },
-      { key: 'llm-usage', title: '用量统计' },
-      { key: 'llm-usage-details', title: '用量明细' },
-      { key: 'llm-quota', title: '限流配额' },
-    ],
-  },
-  {
-    key: 'system',
-    title: '系统管理',
-    children: [
-      { key: 'system-user', title: '用户管理' },
-      { key: 'system-role', title: '角色管理' },
-      { key: 'system-permission', title: '权限配置' },
-    ],
-  },
-];
+const toRoleMenuTree = (nodes: PermissionMenuNode[]): MenuPermissionNode[] =>
+  nodes.map(node => ({
+    key: node.key,
+    title: node.title,
+    children: node.children ? toRoleMenuTree(node.children) : undefined,
+  }));
 
-export const buttonPermissionOptions = [
-  { label: 'user:create', value: 'user:create' },
-  { label: 'user:edit', value: 'user:edit' },
-  { label: 'user:delete', value: 'user:delete' },
-  { label: 'llm:create', value: 'llm:create' },
-];
+export const menuPermissionTree = toRoleMenuTree(initialMenuTree);
+
+export const buttonPermissionOptions = initialButtonPermissions.map(item => ({
+  label: item.code,
+  value: item.code,
+}));
 
 export const initialRoles: RoleItem[] = [
   {
@@ -56,20 +45,8 @@ export const initialRoles: RoleItem[] = [
     enabled: true,
     description: '拥有系统全部权限',
     updatedAt: '2026-07-20 10:00',
-    menuKeys: [
-      'dashboard',
-      'llm',
-      'llm-models',
-      'llm-providers',
-      'llm-usage',
-      'llm-usage-details',
-      'llm-quota',
-      'system',
-      'system-user',
-      'system-role',
-      'system-permission',
-    ],
-    buttonKeys: ['user:create', 'user:edit', 'user:delete', 'llm:create'],
+    menuKeys: ['1', '2', '2-1', '2-2', '2-3', '2-4', '2-5', '3', '3-1', '3-2', '3-3'],
+    buttonKeys: initialButtonPermissions.map(item => item.code),
   },
   {
     id: 'role-2',
@@ -79,18 +56,8 @@ export const initialRoles: RoleItem[] = [
     enabled: true,
     description: '负责模型与用户日常运营',
     updatedAt: '2026-07-22 15:30',
-    menuKeys: [
-      'dashboard',
-      'llm',
-      'llm-models',
-      'llm-providers',
-      'llm-usage',
-      'llm-quota',
-      'system',
-      'system-user',
-      'system-role',
-    ],
-    buttonKeys: ['user:create', 'user:edit', 'llm:create'],
+    menuKeys: ['1', '2', '2-1', '2-2', '2-3', '2-5', '3', '3-1', '3-2'],
+    buttonKeys: ['system:user:add', 'system:user:edit', 'llm:models:add'],
   },
   {
     id: 'role-3',
@@ -100,7 +67,7 @@ export const initialRoles: RoleItem[] = [
     enabled: true,
     description: '仅可查看数据，不可修改',
     updatedAt: '2026-07-18 09:12',
-    menuKeys: ['dashboard', 'llm', 'llm-models', 'llm-usage'],
+    menuKeys: ['1', '2', '2-1', '2-3'],
     buttonKeys: [],
   },
 ];
diff --git a/src/pages/system/user/index.tsx b/src/pages/system/user/index.tsx
index 1417a86..7e47ba4 100644
--- a/src/pages/system/user/index.tsx
+++ b/src/pages/system/user/index.tsx
@@ -118,6 +118,7 @@ export default function UserManagement() {
                 phone: values.phone,
                 roles: values.roles,
                 enabled: values.enabled,
+                remark: values.remark,
               }
             : user,
         ),
@@ -134,6 +135,7 @@ export default function UserManagement() {
           phone: values.phone,
           roles: values.roles,
           enabled: values.enabled,
+          remark: values.remark,
           lastLoginAt: '从未登录',
           createdAt: '2026-07-26',
         },
diff --git a/src/pages/system/user/mock.ts b/src/pages/system/user/mock.ts
index 693c4c4..c5901d9 100644
--- a/src/pages/system/user/mock.ts
+++ b/src/pages/system/user/mock.ts
@@ -10,6 +10,7 @@ export interface UserItem {
   enabled: boolean;
   lastLoginAt: string;
   createdAt: string;
+  remark?: string;
 }
 
 export const roleOptions: UserRole[] = ['超级管理员', '运营', '只读'];
@@ -25,6 +26,7 @@ export const initialUsers: UserItem[] = [
     enabled: true,
     lastLoginAt: '2026-07-25 22:10',
     createdAt: '2025-01-01',
+    remark: '系统内置管理员',
   },
   {
     id: 'user-2',
@@ -36,6 +38,7 @@ export const initialUsers: UserItem[] = [
     enabled: true,
     lastLoginAt: '2026-07-24 18:32',
     createdAt: '2025-02-15',
+    remark: '',
   },
   {
     id: 'user-3',
@@ -47,6 +50,7 @@ export const initialUsers: UserItem[] = [
     enabled: false,
     lastLoginAt: '2026-07-20 09:15',
     createdAt: '2025-03-10',
+    remark: '',
   },
   {
     id: 'user-4',
@@ -58,5 +62,6 @@ export const initialUsers: UserItem[] = [
     enabled: true,
     lastLoginAt: '2026-07-25 16:08',
     createdAt: '2025-05-21',
+    remark: '',
   },
 ];