diff --git a/GisDevelop_Exp/App.xaml.cs b/GisDevelop_Exp/App.xaml.cs
index 94a747b..a062275 100644
--- a/GisDevelop_Exp/App.xaml.cs
+++ b/GisDevelop_Exp/App.xaml.cs
@@ -38,7 +38,7 @@ namespace GisDevelop_Exp
                 // Initialize the ArcGIS Maps SDK runtime before any components are created.
                 ArcGISRuntimeEnvironment.Initialize(config => config
                 // .UseLicense("[Your ArcGIS Maps SDK license string]")
-                 .UseApiKey("AAPTxy8BH1VEsoebNVZXo8HurGPYSDOnAeIwA4pOmn4FxReGCVGizofL_NQAK3uvzuar2NmXR05j3u3x4g02LDdUvuS2vHqxHTPyUTYWgjjqXXiEBKefOwcK-XJXp68tFHTc0f6JAgnPMVNzfluXceV0TzpdU9OfkGsrTPtIAIwBB_jw0BKZT_c6Qa2RCP5J7gZSlOuuebJ4oo488So-4Lh0WrIObQPjmc5wsc7MxoWn6rg.AT1_A4CN5Ivr")
+                 .UseApiKey("AAPTxy8BH1VEsoebNVZXo8HurGPYSDOnAeIwA4pOmn4FxRfMsbp3zN7aIhAzuRolPS6JUAtf98pdWdQp1jjclJhIB-7QXbTXrBITqXti07DnOLsRnS9lGLYGImGh5vW_jSlnEBqxbbZQCs4S0y5-tHC0_kSFW9RD3Kv8hiDGt1IGSrs-96vwz6rycPenwu_cAwZHZyTahSAEHOR5A7j2y9sUsZ8HoYLcn2O9SI8OYw2tzr4xAAwqN1fcw6FMiVVpBSYWAT1_A4CN5Ivr")
                   .ConfigureAuthentication(auth => auth
                      .UseDefaultChallengeHandler() // Use the default authentication dialog
                   // .UseOAuthAuthorizeHandler(myOauthAuthorizationHandler) // Configure a custom OAuth dialog
diff --git a/GisDevelop_Exp/MainWindow.xaml b/GisDevelop_Exp/MainWindow.xaml
index c80dab4..21547a6 100644
--- a/GisDevelop_Exp/MainWindow.xaml
+++ b/GisDevelop_Exp/MainWindow.xaml
@@ -25,7 +25,7 @@
                 <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"/>
+        <esri:MapView x:Name="MainMapView" Map="{Binding Map, Source={StaticResource MapViewModel}}" Margin="0,19,0,0" ViewpointChanged="MainMapView_OnViewpointChanged" GeoViewTapped="MainMapView_OnGeoViewTapped"/>
         <Border BorderBrush="#FF8B1D76" BorderThickness="2,2,2,2" HorizontalAlignment="Right" Height="180" Width="202" VerticalAlignment="Top" IsEnabled="False">
             <esri:MapView x:Name="EagleMapView"/>
         </Border>
@@ -38,6 +38,11 @@
                     <ImageBrush ImageSource="D:\01_Development\10_Visual_Studio_Project\GisDevelop\GisDevelop_Exp\GisDevelop_Exp\add.png"/>
                 </Button.Background>
             </Button>
+            <Button x:Name="Btn_Add_Online" Height="32" Width="32" Click="Btn_Add_Online_OnClick">
+                <Button.Background>
+                    <ImageBrush ImageSource="D:\01_Development\10_Visual_Studio_Project\GisDevelop\GisDevelop_Exp\GisDevelop_Exp\online.png"/>
+                </Button.Background>
+            </Button>
         </ToolBar>
     </Grid>
 </Window>
diff --git a/GisDevelop_Exp/MainWindow.xaml.cs b/GisDevelop_Exp/MainWindow.xaml.cs
index 4f7b553..10fb498 100644
--- a/GisDevelop_Exp/MainWindow.xaml.cs
+++ b/GisDevelop_Exp/MainWindow.xaml.cs
@@ -15,9 +15,13 @@ using System.Windows.Media.Imaging;
 using System.Windows.Navigation;
 using System.Windows.Shapes;
 using Esri.ArcGISRuntime.Geometry;
+using Esri.ArcGISRuntime.Portal;
+using Esri.ArcGISRuntime.Security;
 using Esri.ArcGISRuntime.Symbology;
 using Esri.ArcGISRuntime.UI;
+using Esri.ArcGISRuntime.UI.Controls;
 using Color = System.Drawing.Color;
+using Geometry = Esri.ArcGISRuntime.Geometry.Geometry;
 using Polygon = Esri.ArcGISRuntime.Geometry.Polygon;
 
 namespace GisDevelop_Exp
@@ -59,6 +63,14 @@ namespace GisDevelop_Exp
             MainMapView.Map = new Map(_basemapOptions.Values.First());
             BasemapChooser.ItemsSource = _basemapOptions.Keys;
             BasemapChooser.SelectedIndex = 0;
+            string token =
+                "AAPTxy8BH1VEsoebNVZXo8HurGPYSDOnAeIwA4pOmn4FxRfMsbp3zN7aIhAzuRolPS6JUAtf98pdWdQp1jjclJhIB-7QXbTXrBITqXti07DnOLsRnS9lGLYGImGh5vW_jSlnEBqxbbZQCs4S0y5-tHC0_kSFW9RD3Kv8hiDGt1IGSrs-96vwz6rycPenwu_cAwZHZyTahSAEHOR5A7j2y9sUsZ8HoYLcn2O9SI8OYw2tzr4xAAwqN1fcw6FMiVVpBSYWAT1_A4CN5Ivr";
+            InitializeAuthenticationManagerWithToken(token);
+        }
+        
+        private void InitializeAuthenticationManagerWithToken(string token)
+        {
+            AuthenticationManager.Current.AddCredential(new OAuthTokenCredential(new Uri("https://services3.arcgis.com/Po7vxnPH4Do7ht5I/arcgis/rest/services/test/MapServer"),token));
         }
 
         private void Menu_OpenShp_Click(object sender, RoutedEventArgs e)
@@ -252,5 +264,32 @@ namespace GisDevelop_Exp
                 Application.Current.Shutdown();
             }
         }
+
+        private void Btn_Add_Online_OnClick(object sender, RoutedEventArgs e)
+        {
+            AddPrivateOnlineMap();
+        }
+
+        private async void AddPrivateOnlineMap()
+        {
+            Map map = new Map(BasemapStyle.ArcGISTopographic);
+            // Create an ArcGIS Portal object.
+            ArcGISPortal portal = await ArcGISPortal.CreateAsync();
+            // Create a portal item from the ArcGIS Portal object using a portal item string.
+            PortalItem portalItem = await PortalItem.CreateAsync(portal, "29d7c59212ef479995f5b42bacc9de4c");
+            FeatureLayer featureLayer = new FeatureLayer(portalItem,0);
+            map.OperationalLayers.Add(featureLayer);
+            MainMapView.Map = map;
+        }
+
+        private void MainMapView_OnGeoViewTapped(object? sender, GeoViewInputEventArgs e)
+        {
+            MapPoint mapLocation = e.Location;
+            Geometry myGeometry = mapLocation.Project(SpatialReferences.Wgs84);
+            MapPoint projectedLocation = (MapPoint)myGeometry;
+            string mapLocationDescription = string.Format("纬度: {0:F3} 经度:{1:F3}", projectedLocation.Y, projectedLocation.X);
+            CalloutDefinition myCalloutDefinition = new CalloutDefinition("当前位置：", mapLocationDescription);
+            MainMapView.ShowCalloutAt(mapLocation, myCalloutDefinition);
+        }
     }
 }