diff --git a/src/stores/Auth.js b/src/stores/Auth.js
index 765c61c..e248a6e 100644
--- a/src/stores/Auth.js
+++ b/src/stores/Auth.js
@@ -3,11 +3,14 @@ import { fetchJSON, postForm } from '@/utils/request';
 import { HT_HOST } from "@/config";
 import { prepareUrl } from '@/utils/commons';
 
+const KEY_LOGIN_TOKEN = 'KEY_LOGIN_TOKEN';
+
 class Auth {
 
   constructor(root) {
     makeAutoObservable(this, { rootStore: false });
     this.root = root;
+    this.login.token = root.getSession(KEY_LOGIN_TOKEN);
   }
 
   valdateUserPassword(usr, pwd) {
@@ -20,6 +23,7 @@ class Auth {
       .then(json => {
         if (json.errcode == 0) {
           this.login.token = json.Result.token;
+          this.root.putSession(KEY_LOGIN_TOKEN, json.Result.token);
           return json.Result.WU_LMI_SN;
         } else {
           throw new Error(json.errmsg + ': ' + json.errcode);
@@ -71,7 +75,7 @@ class Auth {
   }
 
   login = {
-    token: '249FC25C949B4BB182431F89762AE5E8',
+    token: '',//'249FC25C949B4BB182431F89762AE5E8',
     userId: 1, // LMI_SN
     username: 'Vu Xuan Giang',
     travelAgencyId: 32531,  // VEI_SN
diff --git a/src/stores/Root.js b/src/stores/Root.js
index 0907e7b..a1642ed 100644
--- a/src/stores/Root.js
+++ b/src/stores/Root.js
@@ -14,6 +14,25 @@ class Root {
     this.invoiceStore = new Invoice(this);
     makeAutoObservable(this);
   }
+
+  getSession(key) {
+    if (window.sessionStorage) {
+      const sessionStorage = window.sessionStorage;
+      return sessionStorage.getItem(key);
+    } else {
+      console.error('browser not support sessionStorage!');
+      return null;
+    }
+  }
+
+  putSession(key, value) {
+    if (window.sessionStorage) {
+      const sessionStorage = window.sessionStorage;
+      return sessionStorage.setItem(key, value);
+    } else {
+      console.error('browser not support sessionStorage!');
+    }
+  }
 }
 
 export default Root;
\ No newline at end of file
diff --git a/src/views/App.jsx b/src/views/App.jsx
index 9f18497..f26a43d 100644
--- a/src/views/App.jsx
+++ b/src/views/App.jsx
@@ -1,10 +1,12 @@
-import { Outlet, Link, useHref, useLocation, NavLink } from "react-router-dom";
+import { Outlet, Link, useHref, useNavigate, NavLink } from "react-router-dom";
 import { useEffect } from "react";
 import { observer } from "mobx-react";
+import { toJS } from "mobx";
 import { Layout, Menu, ConfigProvider, theme, Dropdown, Space, Row, Col, Badge, Typography, Divider, App as AntApp } from "antd";
 import { DownOutlined } from "@ant-design/icons";
 import "antd/dist/reset.css";
 import AppLogo from "@/assets/logo-gh.png";
+import { isEmpty } from "@/utils/commons";
 import { useStore } from "@/stores/StoreContext.js";
 
 const { Header, Content, Footer } = Layout;
@@ -27,13 +29,20 @@ const items = [
 		key: "3",
 	},
 ];
+
 function App() {
 	const { authStore, noticeStore } = useStore();
+  const { login } = authStore;
 	const { noticeUnRead } = noticeStore;
 	const href = useHref();
+  const loginToken = toJS(login).token;
+  const navigate = useNavigate();
 	useEffect(() => {
 		// Check location
-		console.info("href: " + href);
+		console.info("href: " + href + '; login.token: ' + loginToken);
+    if (href !== '/login' && isEmpty(loginToken)) {
+        // navigate('/login');
+    }
 	}, [href]);
 
 	const splitPath = href.split("/");