update

src/socket/socket.gateway.ts

@@ -159,7 +159,7 @@ export class SocketGateway
 
   @SubscribeMessage('active-status')
   async handleActive(@ConnectedSocket() socket: Socket) {
-    const sockets = this.server.sockets.sockets.size;
-    socket.emit('active-status', { number: sockets });
+    const sockets = await this.server.fetchSockets();
+    socket.emit('active-status', { number: sockets.length });
   }
 }