diff --git a/backend/resources/js/component/alert_state_msg.jsx b/backend/resources/js/component/alert_state_msg.jsx
index 551bd339..9aeb2a3b 100644
--- a/backend/resources/js/component/alert_state_msg.jsx
+++ b/backend/resources/js/component/alert_state_msg.jsx
@@ -7,7 +7,6 @@ export default function AlertStateMessage() {
   const navigator = useNavigate();
   const [_success, setSuccess] = useState('');
   const [_400error, set400Error] = useState('');
-  const acc_type = pathname.split('/')[1];
 
   useEffect(() => {
     if(state){
@@ -19,16 +18,6 @@ export default function AlertStateMessage() {
       }
       navigator(pathname);
     } 
-
-    let token = localStorage.getItem(`${acc_type}_token`);
-    if(token){
-      token = JSON.parse(token);
-      if(token.from_login) {
-        setSuccess('ログインに成功しました');
-        token.from_login = false;
-        localStorage.setItem(`${acc_type}_token`, JSON.stringify(token));
-      }
-    }
   }, [pathname]);
 
   return (
diff --git a/backend/resources/js/component/check_auth.jsx b/backend/resources/js/component/check_auth.jsx
new file mode 100644
index 00000000..fa34828f
--- /dev/null
+++ b/backend/resources/js/component/check_auth.jsx
@@ -0,0 +1,32 @@
+import { useEffect, useState } from "react";
+import { useLocation, useNavigate } from "react-router-dom";
+import Alert from './alert';
+
+export default function CheckAuthenticate() {
+  const { pathname } = useLocation();
+  const [_success, setSuccess] = useState('');
+  const navigator = useNavigate();
+
+  useEffect(() => {
+    const acc_type = pathname.split('/')[1];
+
+    let token = localStorage.getItem(`${acc_type}_token`);
+    if(!token){
+      navigator(`/${acc_type}/login`);
+    }
+    else{
+      token = JSON.parse(token);
+      if(token.from_login) {
+        setSuccess('ログインに成功しました');
+        token.from_login = false;
+        localStorage.setItem(`${acc_type}_token`, JSON.stringify(token));
+      }
+    }
+  }, [pathname]);
+
+  return (
+    <>
+    {  _success ?  <Alert type="success" hide={()=>setSuccess('')}>{ _success }</Alert> : null}
+    </>
+  );
+}
\ No newline at end of file
diff --git a/backend/resources/js/layout/DashboardLayout.js b/backend/resources/js/layout/DashboardLayout.js
index 76bcbbcd..07059da0 100644
--- a/backend/resources/js/layout/DashboardLayout.js
+++ b/backend/resources/js/layout/DashboardLayout.js
@@ -1,4 +1,5 @@
 import { Outlet } from 'react-router-dom';
+import CheckAuthenticate from '../component/check_auth';
 import AlertStateMessage from '../component/alert_state_msg';
 
 const DashboardLayout = ({side}) => {
@@ -6,6 +7,7 @@ const DashboardLayout = ({side}) => {
   return (
     <main className="l-container meeting-consent">
       <AlertStateMessage />                  
+      <CheckAuthenticate />
       <Outlet />
       {side}
     </main>