diff --git a/clashN/clashN/ViewModels/MainWindowViewModel.cs b/clashN/clashN/ViewModels/MainWindowViewModel.cs
index 0cda16c..8659eee 100644
--- a/clashN/clashN/ViewModels/MainWindowViewModel.cs
+++ b/clashN/clashN/ViewModels/MainWindowViewModel.cs
@@ -39,9 +39,9 @@ namespace ClashN.ViewModels
         public PromotionView GetPromotionView { get; }
 
         [Reactive]
-        public string SpeedUpload { get; set; }
+        public string SpeedUpload { get; set; } = "0.00";
         [Reactive]
-        public string SpeedDownload { get; set; }
+        public string SpeedDownload { get; set; } = "0.00";
 
         #endregion