diff --git a/v2rayN/ServiceLib/Models/CheckUpdateModel.cs b/v2rayN/ServiceLib/Models/CheckUpdateModel.cs
index 85225bc1..f06eedc9 100644
--- a/v2rayN/ServiceLib/Models/CheckUpdateModel.cs
+++ b/v2rayN/ServiceLib/Models/CheckUpdateModel.cs
@@ -1,10 +1,13 @@
+using ReactiveUI;
+using ReactiveUI.Fody.Helpers;
+
 namespace ServiceLib.Models;
 
-public class CheckUpdateModel
+public class CheckUpdateModel : ReactiveObject
 {
     public bool? IsSelected { get; set; }
     public string? CoreType { get; set; }
-    public string? Remarks { get; set; }
+    [Reactive] public string? Remarks { get; set; }
     public string? FileName { get; set; }
     public bool? IsFinished { get; set; }
 }
diff --git a/v2rayN/ServiceLib/Models/ClashProxyModel.cs b/v2rayN/ServiceLib/Models/ClashProxyModel.cs
index fd534309..014b0f12 100644
--- a/v2rayN/ServiceLib/Models/ClashProxyModel.cs
+++ b/v2rayN/ServiceLib/Models/ClashProxyModel.cs
@@ -1,7 +1,10 @@
+using ReactiveUI;
+using ReactiveUI.Fody.Helpers;
+
 namespace ServiceLib.Models;
 
 [Serializable]
-public class ClashProxyModel
+public class ClashProxyModel : ReactiveObject
 {
     public string? Name { get; set; }
 
@@ -9,9 +12,9 @@ public class ClashProxyModel
 
     public string? Now { get; set; }
 
-    public int Delay { get; set; }
+    [Reactive] public int Delay { get; set; }
 
-    public string? DelayName { get; set; }
+    [Reactive] public string? DelayName { get; set; }
 
     public bool IsActive { get; set; }
 }
diff --git a/v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs b/v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs
index 23839141..9dd43a75 100644
--- a/v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs
@@ -334,9 +334,6 @@ public class CheckUpdateViewModel : MyReactiveObject
         {
             return;
         }
-
-        var itemCopy = JsonUtils.DeepCopy(found);
-        itemCopy.Remarks = model.Remarks;
-        CheckUpdateModels.Replace(found, itemCopy);
+        found.Remarks = model.Remarks; 
     }
 }
diff --git a/v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs b/v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs
index 54cbdc8d..343d49df 100644
--- a/v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs
@@ -391,7 +391,6 @@ public class ClashProxiesViewModel : MyReactiveObject
 
     public async Task ProxiesDelayTestResult(SpeedTestResult result)
     {
-        //UpdateHandler(false, $"{item.name}={result}");
         var detail = ProxyDetails.FirstOrDefault(it => it.Name == result.IndexId);
         if (detail == null)
         {
@@ -414,7 +413,6 @@ public class ClashProxiesViewModel : MyReactiveObject
             detail.Delay = _delayTimeout;
             detail.DelayName = string.Empty;
         }
-        ProxyDetails.Replace(detail, JsonUtils.DeepCopy(detail));
     }
 
     #endregion proxy function
diff --git a/v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs b/v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs
index 14216fee..4c0fd2b9 100644
--- a/v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs
+++ b/v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs
@@ -293,7 +293,6 @@ public class ProfilesViewModel : MyReactiveObject
         {
             item.SpeedVal = result.Speed ?? string.Empty;
         }
-        //_profileItems.Replace(item, JsonUtils.DeepCopy(item));
     }
 
     public async Task UpdateStatistics(ServerSpeedItem update)
@@ -314,17 +313,6 @@ public class ProfilesViewModel : MyReactiveObject
                 item.TodayUp = Utils.HumanFy(update.TodayUp);
                 item.TotalDown = Utils.HumanFy(update.TotalDown);
                 item.TotalUp = Utils.HumanFy(update.TotalUp);
-
-                //if (SelectedProfile?.IndexId == item.IndexId)
-                //{
-                //    var temp = JsonUtils.DeepCopy(item);
-                //    _profileItems.Replace(item, temp);
-                //    SelectedProfile = temp;
-                //}
-                //else
-                //{
-                //    _profileItems.Replace(item, JsonUtils.DeepCopy(item));
-                //}
             }
         }
         catch