diff --git a/src/components/header.tsx b/src/components/header.tsx
index d191e8e..611dbfd 100644
--- a/src/components/header.tsx
+++ b/src/components/header.tsx
@@ -55,7 +55,7 @@ export default function Header() {
                     <NavigationMenuList>
                         <Card className="mr-1">
                             <NavigationMenuLink asChild className={navigationMenuTriggerStyle() + ' !text-foreground'}>
-                                <Link to="/dashboard"><img className="h-7 mr-1" src='/dashboard/logo.svg' /> NEZHA</Link>
+                                <Link to={profile ? "/dashboard" : '#'}><img className="h-7 mr-1" src='/dashboard/logo.svg' /> NEZHA</Link>
                             </NavigationMenuLink>
                         </Card>
 
diff --git a/src/hooks/useAuth.tsx b/src/hooks/useAuth.tsx
index 54bef76..8b26cdf 100644
--- a/src/hooks/useAuth.tsx
+++ b/src/hooks/useAuth.tsx
@@ -42,6 +42,7 @@ export const AuthProvider = ({ children }: {
     };
 
     const logout = () => {
+        document.cookie.split(";").forEach(function (c) { document.cookie = c.replace(/^ +/, "").replace(/=.*/, "=;expires=" + new Date().toUTCString() + ";path=/"); });
         setProfile(undefined);
         navigate("/dashboard/login", { replace: true });
     };