set initial tab

lib/presentation/screens/plot/sc_plot.dart

           Navigator.push(
               context,
               MaterialPageRoute(
-                  builder: (BuildContext context) =>
-                      PlotDetailScreen(cropId: item.id)));
+                  builder: (BuildContext context) => PlotDetailScreen(
+                        cropId: item.id,
+                        initialIndex: 1,
+                      )));
         });
   }
 }

lib/presentation/screens/plot_detail/sc_plot_detail.dart

 
 class PlotDetailScreen extends StatefulWidget {
   final int cropId;
-  PlotDetailScreen({@required this.cropId});
+  int initialIndex;
+  PlotDetailScreen({@required this.cropId, this.initialIndex = 0});
   @override
   _PlotDetailScreenState createState() => _PlotDetailScreenState();
 }
                 ],
               ),
               body: DefaultTabController(
+                initialIndex: widget.initialIndex,
                 length: 2,
                 child: new Scaffold(
                   backgroundColor: COLOR_CONST.ITEM_BG,
                   bottomNavigationBar: new TabBar(
                     tabs: [
                       Tab(
-                        text: "Chỉ số",
+                        text: '''  Chỉ số  ''',
                       ),
                       Tab(
                         text: "Canh tác",