diff --git a/v2rayN/v2rayN/ViewModels/RoutingRuleDetailsViewModel.cs b/v2rayN/v2rayN/ViewModels/RoutingRuleDetailsViewModel.cs
index fc831c27..aa1d6052 100644
--- a/v2rayN/v2rayN/ViewModels/RoutingRuleDetailsViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/RoutingRuleDetailsViewModel.cs
@@ -64,6 +64,9 @@ namespace v2rayN.ViewModels
 
         private void SaveRules()
         {
+            Domain = Domain.Replace(Environment.NewLine, ",");
+            IP = IP.Replace(Environment.NewLine, ",");
+            
             if (AutoSort)
             {
                 SelectedSource.domain = Utils.String2ListSorted(Domain);