diff --git a/src/ST.Client.Desktop/UI/ViewModels/Base/TabItemViewModel.cs b/src/ST.Client.Desktop/UI/ViewModels/Base/TabItemViewModel.cs
index f251bbc98..cf05ca4bd 100644
--- a/src/ST.Client.Desktop/UI/ViewModels/Base/TabItemViewModel.cs
+++ b/src/ST.Client.Desktop/UI/ViewModels/Base/TabItemViewModel.cs
@@ -75,23 +75,14 @@ namespace System.Application.UI.ViewModels
             await Task.CompletedTask;
         }
 
+        protected bool IsFirstActivation = true;
+
         internal async virtual void Activation()
         {
-            await Task.CompletedTask;
-        }
-
-        internal bool _IsFirstActivation = true;
-        internal void FirstActivation()
-        {
-            if (_IsFirstActivation)
+            if (IsFirstActivation)
             {
-                ActivationOnFirst();
-                _IsFirstActivation = false;
+                IsFirstActivation = false;
             }
-        }
-
-        internal async virtual void ActivationOnFirst()
-        {
             await Task.CompletedTask;
         }
     }
diff --git a/src/ST.Client.Desktop/UI/ViewModels/MainWindowViewModel.cs b/src/ST.Client.Desktop/UI/ViewModels/MainWindowViewModel.cs
index c852dfaf8..198f58827 100644
--- a/src/ST.Client.Desktop/UI/ViewModels/MainWindowViewModel.cs
+++ b/src/ST.Client.Desktop/UI/ViewModels/MainWindowViewModel.cs
@@ -102,8 +102,6 @@ namespace System.Application.UI.ViewModels
             this.WhenAnyValue(x => x.SelectedItem)
                 .Subscribe(x =>
                 {
-                    if (x._IsFirstActivation)
-                        Task.Run(x.FirstActivation).ForgetAndDispose();
                     Task.Run(x.Activation).ForgetAndDispose();
                 });
         }
diff --git a/src/ST.Client.Desktop/UI/ViewModels/Pages/ProxyScriptManagePageViewModel.cs b/src/ST.Client.Desktop/UI/ViewModels/Pages/ProxyScriptManagePageViewModel.cs
index da8ca2879..dda82db64 100644
--- a/src/ST.Client.Desktop/UI/ViewModels/Pages/ProxyScriptManagePageViewModel.cs
+++ b/src/ST.Client.Desktop/UI/ViewModels/Pages/ProxyScriptManagePageViewModel.cs
@@ -22,11 +22,16 @@ namespace System.Application.UI.ViewModels
             get => AppResources.ScriptConfig;
             protected set { throw new NotImplementedException(); }
         }
-        internal override void ActivationOnFirst()
+
+        internal override void Activation()
         {
-            if (ProxySettings.IsAutoCheckScriptUpdate)
-                ProxyService.Current.CheckUpdate();
+            base.Activation();
+
+            if (IsFirstActivation)
+                if (ProxySettings.IsAutoCheckScriptUpdate)
+                    ProxyService.Current.CheckUpdate();
         }
+
         private readonly ReadOnlyObservableCollection<ScriptDTO> _ProxyScripts;
         public ReadOnlyObservableCollection<ScriptDTO> ProxyScripts => _ProxyScripts;