anchor.diff:        grid.setWidget(row, 1, l1);
         grid.setWidget(row, 2, l2);
         grid.setWidget(row, 3, l3);
  -      grid.setWidget(row, 4, l4);  
  +      grid.setWidget(row, 4, l4);
         row++;
       }
       _otherForSubPanel.add(grid);
     }
   }
   
  -class AppPortMapInfo
  -{
  +class AppPortMapInfo {
     String protocol = "";
     String publicPort = "";
     String localIp = "";
  
positive.code:   async.StreamController _controllerSearchButton = new async.StreamController.broadcast();
    async.StreamController _controllerTab = new async.StreamController.broadcast();
    async.StreamController _controllerSelectRouter = new async.StreamController.broadcast();
  
    async.Stream<int> get onClickSearchButton => _controllerSearchButton.stream;
    async.Stream<int> get onSelectTab => _controllerTab.stream;
    async.Stream<String> get onSelectRouter => _controllerSelectRouter.stream;
  
    void clearFoundRouterList() {
      _foundRouter.clear();
  
negative.code:     }));
      {
        _infoForSubPanel.add(new ui.Label("main operation"));
        initMainPanel();
      }
      {
        _otherForSubPanel.add(new ui.Label("other operation"));
  