diff --git a/bilibili2/MainPage.xaml b/bilibili2/MainPage.xaml
index 1449559..261415a 100644
--- a/bilibili2/MainPage.xaml
+++ b/bilibili2/MainPage.xaml
@@ -431,7 +431,7 @@
                 <Image Grid.Column="0" Stretch="Uniform" VerticalAlignment="Center" HorizontalAlignment="Center" Source="ms-appx:///Assets/LOGOTITLE.png" Height="24"/>
             </Grid>
             <AutoSuggestBox Grid.Column="2" Grid.ColumnSpan="2" x:Name="top_txt_find"   PlaceholderText="输入关键字或AV号" Visibility="Collapsed" Height="32"  Width="180" QueryIcon="Find" VerticalAlignment="Center" VerticalContentAlignment="Center" HorizontalAlignment="Left" Margin="0"  Style="{StaticResource AutoSuggestBoxStyle1}" BorderThickness="1" BorderBrush="#00808080" TextChanged="top_txt_find_TextChanged" QuerySubmitted="top_txt_find_QuerySubmitted" SuggestionChosen="top_txt_find_SuggestionChosen"/>
-            <Button Grid.Column="0" x:Name="btn_back" Style="{ThemeResource TitleBarBackButtonTheme}" Width="48" Height="32" Background="{ThemeResource Bili-ForeColor}" Foreground="White"/>
+            <Button Grid.Column="0" x:Name="btn_back" Style="{ThemeResource TitleBarBackButtonTheme}" Width="48" Height="32" Background="{ThemeResource Bili-ForeColor}" Foreground="White" Click="btn_back_Click"/>
             <Button Grid.Column="1" x:Name="btn_refresh" Style="{ThemeResource TitleBarRefreshButtonTheme}" Width="48" Height="32" Background="{ThemeResource Bili-ForeColor}" Foreground="White"/>
             <Button Grid.Column="2" x:Name="btn_search" Style="{ThemeResource TitleBarSearchButtonTheme}" Width="48" Height="32" Background="{ThemeResource Bili-ForeColor}" Foreground="White" Click="btn_search_Click"/>
         </Grid>
diff --git a/bilibili2/MainPage.xaml.cs b/bilibili2/MainPage.xaml.cs
index 8bf4d04..1e9f5e0 100644
--- a/bilibili2/MainPage.xaml.cs
+++ b/bilibili2/MainPage.xaml.cs
@@ -2085,6 +2085,15 @@ private void btn_search_Click(object sender, RoutedEventArgs e)
             top_txt_find.Visibility = Visibility.Visible;
             top_txt_find.Focus(FocusState.Programmatic);
         }
+
+        private void btn_back_Click(object sender, RoutedEventArgs e)
+        {
+            if (infoFrame.Content != null)
+                if (infoFrame.CanGoBack)
+                    infoFrame.GoBack();
+                else
+                    MainPage_BackEvent();
+        }
     }
 
     public class FeedItemDataTemplateSelector : DataTemplateSelector