diff --git a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
index e63bf61f..c9a5426d 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -736,7 +736,7 @@ namespace v2rayN.ViewModels
         public void TestServerAvailability()
         {
             var item = ConfigHandler.GetDefaultServer(_config);
-            if (item == null || item.configType == EConfigType.Custom)
+            if (item == null)
             {
                 return;
             }
@@ -1293,4 +1293,4 @@ namespace v2rayN.ViewModels
 
         #endregion UI
     }
-}
\ No newline at end of file
+}