fix

src/components/AdminPage.tsx

@@ -11,9 +11,13 @@ export const AdminPage = ({ roomId }: { roomId: string }) => {
 
     useEffect(() => {
         const url = new URL(location.href)
-        setPassword(url.searchParams.get('password'))
-        url.searchParams.delete('password')
-        history.replaceState({}, '', url.toString())
+        if (url.searchParams.has('password')) {
+            setPassword(url.searchParams.get('password'))
+
+            // remove password from url
+            url.searchParams.delete('password')
+            history.replaceState({}, '', url.toString())
+        }
     }, [])
 
     const listeners = useRef<Record<string, (teamQuestion: { team: string; question: string }) => void>>({})