diff --git a/GisDevelop_Exp/MainWindow.xaml b/GisDevelop_Exp/MainWindow.xaml
index 3fa055f..9250331 100644
--- a/GisDevelop_Exp/MainWindow.xaml
+++ b/GisDevelop_Exp/MainWindow.xaml
@@ -20,6 +20,8 @@
             <MenuItem x:Name="Menu_View" Header="视图">
                 <MenuItem x:Name="Menu_Zoom_in" Header="放大" Click="Menu_Zoom_in_OnClick"></MenuItem>
                 <MenuItem x:Name="Menu_Zoom_out" Header="缩小" Click="Menu_Zoom_out_OnClick"></MenuItem>
+                <MenuItem x:Name="Menu_Full_Extent" Header="全图" Click="Menu_Full_Extent_OnClick"></MenuItem>
+                <MenuItem x:Name="Menu_Wrap_Around" Header="开启漫游" Click="Menu_Wrap_Around_OnClick"></MenuItem>
             </MenuItem>
         </Menu>
         <esri:MapView x:Name="MainMapView" Map="{Binding Map, Source={StaticResource MapViewModel}}" Margin="0,19,0,0" ViewpointChanged="MainMapView_OnViewpointChanged"/>
diff --git a/GisDevelop_Exp/MainWindow.xaml.cs b/GisDevelop_Exp/MainWindow.xaml.cs
index 9099f67..b729436 100644
--- a/GisDevelop_Exp/MainWindow.xaml.cs
+++ b/GisDevelop_Exp/MainWindow.xaml.cs
@@ -171,6 +171,7 @@ namespace GisDevelop_Exp
             {
                 Viewpoint initViewpoint = MainMapView.GetCurrentViewpoint(ViewpointType.CenterAndScale);
                 MainMapView.SetViewpointScaleAsync(initViewpoint.TargetScale * 2.0);
+                Console.WriteLine(initViewpoint.TargetScale);
             }
             catch (Exception exception)
             {
@@ -223,5 +224,24 @@ namespace GisDevelop_Exp
             var selectedBasemapTitle = e.AddedItems[0].ToString();
             MainMapView.Map.Basemap = _basemapOptions[selectedBasemapTitle];
         }
+
+        private void Menu_Full_Extent_OnClick(object sender, RoutedEventArgs e)
+        {
+            MainMapView.SetViewpointScaleAsync(192866676.56141916);
+        }
+
+        private void Menu_Wrap_Around_OnClick(object sender, RoutedEventArgs e)
+        {
+            if (Menu_Wrap_Around.Header.Equals("开启漫游"))
+            {
+                MainMapView.WrapAroundMode = Esri.ArcGISRuntime.UI.WrapAroundMode.EnabledWhenSupported;
+                Menu_Wrap_Around.Header = "关闭漫游";
+            }
+            else
+            {
+                MainMapView.WrapAroundMode = Esri.ArcGISRuntime.UI.WrapAroundMode.Disabled;
+                Menu_Wrap_Around.Header = "开启漫游";
+            }
+        }
     }
 }