fix pop

src/app/pages/chat/messages/messages.page.ts

@@ -381,7 +381,7 @@ export class MessagesPage implements OnInit, AfterViewInit, OnDestroy {
     window.removeEventListener('scroll', this.scrollChangeCallback, true);
   }
 
-  sendMessage(msg) {
+  sendMessage() {
     this.ChatSystemService.getDmRoom(this.roomId).send({}).then(() => {
     })
   }