fix:

src/app/(dashboard)/home/page.tsx

@@ -12,7 +12,7 @@ import ProfileHeader from './_components/profile-header';
 import { useSubstrateContext } from '@/context/polkadot-contex';
 import { useCallback, useEffect, useState } from 'react';
 
-export default function App() {
+export default function Page() {
   const { address } = useSubstrateContext();
   const [user, setUser] = useState<any>();
   const [lists, setLists] = useState<any>([]);

src/context/polkadot-contex.tsx

@@ -40,7 +40,7 @@ export interface SubstrateProps {
   children?: React.ReactNode;
 }
 
-if (typeof window !== 'undefined') {
+if (typeof window === 'undefined') {
   console.log('Window not found');
 }