diff --git a/NotifyEx/Plugin.cs b/NotifyEx/Plugin.cs
index c4b8142..41f89d1 100644
--- a/NotifyEx/Plugin.cs
+++ b/NotifyEx/Plugin.cs
@@ -15,14 +15,14 @@
 namespace NotifyEx
 {
 	[Export(typeof(IPlugin))]
-	[Export(typeof(ITool))]
+	[Export(typeof(ISettings))]
 	[Export(typeof(IRequestNotify))]
 	[ExportMetadata("Guid", "3190E362-3833-4953-87C3-B2C22C058EE8")]
 	[ExportMetadata("Title", "NotifyEx")]
 	[ExportMetadata("Description", "通知内容扩展")]
 	[ExportMetadata("Version", "0.4.0")]
 	[ExportMetadata("Author", "@Yoctillion")]
-	public class Plugin : IPlugin, ITool, IRequestNotify
+	public class Plugin : IPlugin, ISettings, IRequestNotify
 	{
 		private ToolViewModel _viewModel;