fixed cors

src/socket/socket.gateway.ts

@@ -5,12 +5,20 @@ import {
   WebSocketServer,
 } from '@nestjs/websockets';
 import { Server, Socket } from 'socket.io';
-import { SocketService } from './socket.service';
 import { SendMessageDto } from './dto/sendMessage.dto';
+import { SocketService } from './socket.service';
 
-@WebSocketGateway()
+@WebSocketGateway({
+  namespace: '/notification',
+  cors: {
+    origin: '*',
+  },
+  transports: ['websocket'],
+  path: '/notification/socket.io', // آدرس سفارشی
+})
 export class SocketGateway implements OnGatewayConnection {
-  @WebSocketServer() server: Server;
+  @WebSocketServer()
+  server: Server;
 
   constructor(private socketService: SocketService) {}