Sửa lỗi frontend không kết nối với backend

frontend/src/components/LoginModal.tsx

@@ -22,8 +22,7 @@ export const LoginModal: React.FC<LoginModalProps> = ({ isOpen, onClose, onSwitc
     setIsLoading(true);
 
     try {
-      const API_BASE = `http://${window.location.hostname}:3001`;
-      const response = await fetch(`${API_BASE}/api/v1/auth/login`, {
+      const response = await fetch(`/api/v1/auth/login`, {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({ email, password }),

frontend/src/pages/TourDetailPage.tsx

@@ -5,7 +5,7 @@ import { useTourStore } from '@/store/useTourStore';
 import { AddLocationModal } from '@/components/AddLocationModal';
 import { AddMemberModal } from '../components/AddMemberModal';
 import { ConfirmModal } from '../components/ConfirmModal';
-import { NotificationModal, useNotificationModal } from '@/components/NotificationModal';
+import { NotificationModal, useNotificationModal } from '../components/NotificationModal';
 import { MapContainer, TileLayer, Marker, Popup, useMapEvents, Polyline, useMap } from 'react-leaflet';
 import _MarkerClusterGroup from 'react-leaflet-cluster';
 const MarkerClusterGroup = (_MarkerClusterGroup as any).default || _MarkerClusterGroup;