socket io and lite server issue

Question

i integrated lite-server to my project. One of my page implement socket.io. If any action made of of my browser means same action apply into another browser. For Example, If i scroll or enter some data in to my form means, same data entered into another browser.Please help me.

app module

import { SocketIoModule, SocketIoConfig } from 'ng-socket-io';
const config: SocketIoConfig = { url: 'http://localhost:3000', options: {} };

My component

import { SocketService } from '../../service/socket.service';
@Component({
  selector: 'dashboard-component',
  templateUrl: './dashboard.component.html',
  providers: [ SocketService ]
})

lite server command with pm2

pm2 start lite-server