fixed cors

src/socket/socket.gateway.ts

@@ -9,10 +9,11 @@ import { SendMessageDto } from './dto/sendMessage.dto';
 import { SocketService } from './socket.service';
 
 @WebSocketGateway({
+  namespace: '/notification',
   cors: {
     origin: '*',
   },
-  // transports: ['websocket'],
+  path: '/notification/socket.io',
 })
 export class SocketGateway implements OnGatewayConnection {
   @WebSocketServer()