diff --git a/src/layout.tsx b/src/layout.tsx
index 7f9dfcb..2208909 100644
--- a/src/layout.tsx
+++ b/src/layout.tsx
@@ -1,11 +1,15 @@
 import React, { useState, useMemo, useRef, useEffect } from 'react';
 import { Switch, Route, Redirect, useHistory } from 'react-router-dom';
-import { Layout, Menu, Breadcrumb, Spin } from '@arco-design/web-react';
+import { Layout, Menu, Spin, Button } from '@arco-design/web-react';
 import cs from 'classnames';
 import {
   IconUser,
   IconMenuFold,
   IconMenuUnfold,
+  IconApps,
+  IconHome,
+  IconRefresh,
+  IconQuestionCircle,
 } from '@arco-design/web-react/icon';
 import { useSelector, useDispatch } from 'react-redux';
 import qs from 'query-string';
@@ -19,7 +23,9 @@ import useLocale from './utils/useLocale';
 import getUrlParams from './utils/getUrlParams';
 import lazyload from './utils/lazyload';
 import { GlobalState } from './store';
+import { useUserStore } from './store/userStore';
 import { TabItem } from './types/tabs';
+import { getUserInfo as fetchUserInfoAPI } from '@/api/auth';
 import styles from './style/layout.module.less';
 
 const MenuItem = Menu.Item;
@@ -28,6 +34,21 @@ const SubMenu = Menu.SubMenu;
 const Sider = Layout.Sider;
 const Content = Layout.Content;
 
+function findRouteByKey(key: string, routeList: IRoute[] = []): IRoute | null {
+  for (const route of routeList) {
+    if (route.key === key) {
+      return route;
+    }
+    if (route.children?.length) {
+      const child = findRouteByKey(key, route.children);
+      if (child) {
+        return child;
+      }
+    }
+  }
+  return null;
+}
+
 // 简单的404页面组件
 function NotFound() {
   return (
@@ -54,7 +75,7 @@ function getIconFromKey(key) {
     case 'user-management':
       return <IconUser className={styles.icon} />;
     default:
-      return <div className={styles['icon-empty']} />;
+      return <IconApps className={styles.icon} />;
   }
 }
 
@@ -92,22 +113,65 @@ function PageLayout() {
   const pathname = history.location.pathname;
   const currentComponent = qs.parseUrl(pathname).url.slice(1);
   const locale = useLocale();
-  const { settings, userLoading, userInfo } = useSelector(
-    (state: GlobalState) => state
-  );
+
+  // 从 Redux 获取 settings 和 tabs
+  const { settings } = useSelector((state: GlobalState) => state);
+
+  // 从 Zustand 获取用户信息
+  const { userInfo, userLoading, setUserInfo, updateUserInfo, setUserLoading } =
+    useUserStore();
 
   const [routes, defaultRoute] = useRoute(userInfo?.permissions);
   const defaultSelectedKeys = [currentComponent || defaultRoute];
   const paths = (currentComponent || defaultRoute).split('/');
   const defaultOpenKeys = paths.slice(0, paths.length - 1);
 
-  const [breadcrumb, setBreadCrumb] = useState([]);
+  const [breadcrumb, setBreadCrumb] = useState<CrumbNode[]>([]);
   const [collapsed, setCollapsed] = useState<boolean>(false);
   const [selectedKeys, setSelectedKeys] =
     useState<string[]>(defaultSelectedKeys);
   const [openKeys, setOpenKeys] = useState<string[]>(defaultOpenKeys);
 
-  const routeMap = useRef<Map<string, React.ReactNode[]>>(new Map());
+  // 使用 Zustand：调用 API 获取最新用户信息
+  useEffect(() => {
+    const fetchLatestUserInfo = async () => {
+      // 只有有用户数据时才调用 API
+      if (!userInfo?.userId) {
+        return;
+      }
+
+      setUserLoading(true);
+
+      try {
+        const result = await fetchUserInfoAPI();
+        if (result.code == 0 && result.data) {
+          const data = result.data;
+          // 使用 updateUserInfo 部分更新，自动保留现有字段（如 avatar）
+          updateUserInfo({
+            userId: data.id || data.userId,
+            username: data.username,
+            nickname: data.nickname || data.name,
+            name: data.nickname || data.name,
+            role: data.role,
+            avatar: data.avatar || userInfo.avatar, // 如果 API 返回空，保留现有
+            email: data.email,
+            phone: data.phone,
+          });
+        }
+      } catch (error) {
+        console.error('获取最新用户信息失败:', error);
+        // 失败时不需要做任何事，Zustand 自动保留现有数据
+      } finally {
+        setUserLoading(false);
+      }
+    };
+
+    fetchLatestUserInfo();
+  }, []);
+
+  type CrumbNode = { key: string; name: string; icon?: React.ReactNode };
+
+  const routeMap = useRef<Map<string, CrumbNode[]>>(new Map());
   const menuMap = useRef<
     Map<string, { menuItem?: boolean; subMenu?: boolean }>
   >(new Map());
@@ -120,6 +184,34 @@ function PageLayout() {
   const showFooter = settings.footer && urlParams.footer !== false;
 
   const flattenRoutes = useMemo(() => getFlattenRoutes(routes) || [], [routes]);
+  const fallbackCrumb = useMemo<CrumbNode | null>(() => {
+    const matched = findRouteByKey(defaultRoute, routes);
+    if (matched) {
+      return {
+        key: matched.key,
+        name: matched.name,
+        icon: getIconFromKey(matched.key),
+      };
+    }
+    return null;
+  }, [defaultRoute, routes]);
+
+  const displayedBreadcrumb = useMemo<CrumbNode[]>(() => {
+    const nodes: CrumbNode[] = [
+      {
+        key: 'home',
+        name: 'breadcrumb.home',
+        icon: <IconHome />,
+      },
+    ];
+    const currentNode = breadcrumb.length
+      ? breadcrumb[breadcrumb.length - 1]
+      : fallbackCrumb;
+    if (currentNode) {
+      nodes.push(currentNode);
+    }
+    return nodes;
+  }, [breadcrumb, fallbackCrumb]);
 
   function onClickMenuItem(key) {
     const currentRoute = flattenRoutes.find((r) => r.key === key);
@@ -136,13 +228,28 @@ function PageLayout() {
     setCollapsed((collapsed) => !collapsed);
   }
 
+  function handleBreadcrumbClick(node: CrumbNode, index: number) {
+    if (index === displayedBreadcrumb.length - 1) {
+      return;
+    }
+    if (node.key === 'home') {
+      history.push('/');
+      return;
+    }
+    history.push(`/${node.key}`);
+  }
+
   const paddingLeft = showMenu ? { paddingLeft: menuWidth } : {};
   const paddingTop = showNavbar ? { paddingTop: navbarHeight } : {};
   const paddingStyle = { ...paddingLeft, ...paddingTop };
 
   function renderRoutes(locale) {
     routeMap.current.clear();
-    return function travel(_routes: IRoute[], level, parentNode = []) {
+    return function travel(
+      _routes: IRoute[],
+      level,
+      parentNode: CrumbNode[] = []
+    ) {
       return _routes.map((route) => {
         const { breadcrumb = true, ignore } = route;
         const iconDom = getIconFromKey(route.key);
@@ -154,7 +261,16 @@ function PageLayout() {
 
         routeMap.current.set(
           `/${route.key}`,
-          breadcrumb ? [...parentNode, route.name] : []
+          breadcrumb
+            ? [
+                ...parentNode,
+                {
+                  key: route.key,
+                  name: route.name,
+                  icon: getIconFromKey(route.key),
+                },
+              ]
+            : []
         );
 
         const visibleChildren = (route.children || []).filter((child) => {
@@ -162,7 +278,21 @@ function PageLayout() {
           if (ignore || route.ignore) {
             routeMap.current.set(
               `/${child.key}`,
-              breadcrumb ? [...parentNode, route.name, child.name] : []
+              breadcrumb
+                ? [
+                    ...parentNode,
+                    {
+                      key: route.key,
+                      name: route.name,
+                      icon: getIconFromKey(route.key),
+                    },
+                    {
+                      key: child.key,
+                      name: child.name,
+                      icon: getIconFromKey(child.key),
+                    },
+                  ]
+                : []
             );
           }
 
@@ -176,7 +306,10 @@ function PageLayout() {
           menuMap.current.set(route.key, { subMenu: true });
           return (
             <SubMenu key={route.key} title={titleDom}>
-              {travel(visibleChildren, level + 1, [...parentNode, route.name])}
+              {travel(visibleChildren, level + 1, [
+                ...parentNode,
+                { key: route.key, name: route.name },
+              ])}
             </SubMenu>
           );
         }
@@ -238,7 +371,11 @@ function PageLayout() {
           [styles['layout-navbar-hidden']]: !showNavbar,
         })}
       >
-        <Navbar show={showNavbar} />
+        <Navbar
+          show={showNavbar}
+          breadcrumb={displayedBreadcrumb}
+          onBreadcrumbClick={handleBreadcrumbClick}
+        />
       </div>
       {userLoading ? (
         <Spin className={styles['spin']} />
@@ -275,17 +412,6 @@ function PageLayout() {
           )}
           <Layout className={styles['layout-content']} style={paddingStyle}>
             <div className={styles['layout-content-wrapper']}>
-              {!!breadcrumb.length && (
-                <div className={styles['layout-breadcrumb']}>
-                  <Breadcrumb>
-                    {breadcrumb.map((node, index) => (
-                      <Breadcrumb.Item key={index}>
-                        {typeof node === 'string' ? locale[node] || node : node}
-                      </Breadcrumb.Item>
-                    ))}
-                  </Breadcrumb>
-                </div>
-              )}
               <TabBar />
               <Content>
                 <Switch>
diff --git a/src/locale/index.ts b/src/locale/index.ts
index 4741e37..637abbb 100644
--- a/src/locale/index.ts
+++ b/src/locale/index.ts
@@ -2,6 +2,7 @@ const i18n = {
   'en-US': {
     'menu.userManagement': 'User Management',
     'menu.userInfo': 'User Info',
+    'breadcrumb.home': 'Home',
     'navbar.userInfo': 'User Info',
     'navbar.logout': 'Logout',
     'settings.title': 'Settings',
@@ -36,6 +37,7 @@ const i18n = {
   'zh-CN': {
     'menu.userManagement': '用户管理',
     'menu.userInfo': '个人信息',
+    'breadcrumb.home': '首页',
     'navbar.userInfo': '个人信息',
     'navbar.logout': '退出登录',
     'settings.title': '页面配置',
diff --git a/src/main.tsx b/src/main.tsx
index f0ba4f3..b7c6a66 100644
--- a/src/main.tsx
+++ b/src/main.tsx
@@ -16,6 +16,7 @@ import checkLogin from './utils/checkLogin';
 import changeTheme from './utils/changeTheme';
 import initThemeColor from './utils/initThemeColor';
 import useStorage from './utils/useStorage';
+import { setUserInfo as cacheUserInfo } from './utils/storage';
 import './mock';
 
 const store = createStore(rootReducer);
@@ -41,9 +42,22 @@ function Index() {
       payload: { userLoading: true },
     });
     axios.get('/api/user/userInfo').then((res) => {
+      const serverUserInfo = res.data || {};
+      const mergedUserInfo = {
+        ...serverUserInfo,
+        userId: serverUserInfo.userId || serverUserInfo.id,
+        name: serverUserInfo.nickname || serverUserInfo.name,
+      };
       store.dispatch({
         type: 'update-userInfo',
-        payload: { userInfo: res.data, userLoading: false },
+        payload: { userInfo: mergedUserInfo, userLoading: false },
+      });
+      cacheUserInfo({
+        userId: mergedUserInfo.userId,
+        username: mergedUserInfo.username,
+        nickname: mergedUserInfo.nickname || mergedUserInfo.name,
+        role: mergedUserInfo.role,
+        avatar: mergedUserInfo.avatar,
       });
     });
   }
diff --git a/src/store/index.ts b/src/store/index.ts
index 4301f13..eae3296 100644
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -4,12 +4,19 @@ import { TabItem, TabsState } from '@/types/tabs';
 export interface GlobalState {
   settings?: typeof defaultSettings;
   userInfo?: {
+    // 后端 API 返回的字段（新增）
+    userId?: number;
+    username?: string;
+    nickname?: string;
+    role?: string;
+    // 原有字段（保持兼容）
     name?: string;
     avatar?: string;
     job?: string;
     organization?: string;
     location?: string;
     email?: string;
+    phone?: string;
     permissions: Record<string, string[]>;
   };
   userLoading?: boolean;
diff --git a/src/store/userStore.ts b/src/store/userStore.ts
new file mode 100644
index 0000000..4147742
--- /dev/null
+++ b/src/store/userStore.ts
@@ -0,0 +1,91 @@
+import { create } from 'zustand';
+import { persist } from 'zustand/middleware';
+import { generatePermission } from '@/routes';
+
+export interface UserInfo {
+  userId?: number;
+  username?: string;
+  nickname?: string;
+  role?: string;
+  avatar?: string;
+  name?: string;
+  email?: string;
+  phone?: string;
+  permissions: Record<string, string[]>;
+}
+
+interface UserState {
+  userInfo: UserInfo;
+  userLoading: boolean;
+
+  // Actions
+  setUserInfo: (info: Partial<UserInfo>) => void;
+  updateUserInfo: (partial: Partial<UserInfo>) => void;
+  setUserLoading: (loading: boolean) => void;
+  clearUserInfo: () => void;
+}
+
+const initialUserInfo: UserInfo = {
+  permissions: {},
+};
+
+export const useUserStore = create<UserState>()(
+  persist(
+    (set, get) => ({
+      userInfo: initialUserInfo,
+      userLoading: false,
+
+      // 完全替换用户信息
+      setUserInfo: (info) => {
+        const role = info.role || 'user';
+        set({
+          userInfo: {
+            ...info,
+            permissions: info.permissions || generatePermission(role),
+          },
+        });
+      },
+
+      // 部分更新用户信息（自动保留其他字段）
+      updateUserInfo: (partial) => {
+        const current = get().userInfo;
+        const newInfo = { ...current, ...partial };
+
+        // 如果更新了 role，重新生成权限
+        if (partial.role && partial.role !== current.role) {
+          newInfo.permissions = generatePermission(partial.role);
+        }
+
+        set({ userInfo: newInfo });
+      },
+
+      setUserLoading: (loading) => set({ userLoading: loading }),
+
+      clearUserInfo: () => set({ userInfo: initialUserInfo }),
+    }),
+    {
+      name: 'user-storage', // localStorage key
+      partialize: (state) => ({
+        userInfo: {
+          userId: state.userInfo.userId,
+          username: state.userInfo.username,
+          nickname: state.userInfo.nickname,
+          role: state.userInfo.role,
+          avatar: state.userInfo.avatar,
+          name: state.userInfo.name,
+          email: state.userInfo.email,
+          phone: state.userInfo.phone,
+          // 不持久化 permissions，每次从 role 生成
+        },
+      }),
+      onRehydrateStorage: () => (state) => {
+        // 重新加载时，根据 role 重新生成 permissions
+        if (state && state.userInfo && state.userInfo.role) {
+          state.userInfo.permissions = generatePermission(state.userInfo.role);
+        }
+      },
+    }
+  )
+);
+
+export default useUserStore;