问Catel + Orchestra在对象上找不到属性‘MahApps’

EN

<orchestra:SimpleDataWindow x:Class="OrtMan.ViewModule.Photos.Views.NewPhotoWindow"
                            xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                            xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                            xmlns:catel="http://catel.codeplex.com"
                            xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
                            xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                            xmlns:orchestra="https://github.com/orcomp/orchestra"
                            xmlns:viewModels="clr-namespace:OrtMan.ViewModule.Photos.ViewModels"
                            d:DataContext="{d:DesignInstance viewModels:NewPhotoWindowViewModel}"
                            mc:Ignorable="d">
    <Grid>
        <TextBlock Text="aaa" />
    </Grid>

</orchestra:SimpleDataWindow>

var uiservice = ServiceLocator.Default.ResolveType<IUIVisualizerService>();
var showDialog = uiservice.ShowDialog<NewPhotoWindowViewModel>();
if (showDialog == true)
{
    ...
}