diff --git a/src/modules/launcher/Wox.Plugin/BaseModel.cs b/src/modules/launcher/Wox.Plugin/BaseModel.cs
index c332529d36..54c13be576 100644
--- a/src/modules/launcher/Wox.Plugin/BaseModel.cs
+++ b/src/modules/launcher/Wox.Plugin/BaseModel.cs
@@ -13,13 +13,7 @@ namespace Wox.Plugin
         [NotifyPropertyChangedInvocator]
         protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
         {
-            if (Application.Current.Dispatcher.CheckAccess())
-                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-            else
-                Application.Current.Dispatcher.BeginInvoke(new Action(() =>
-                {
-                    PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-                }));
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }
     }
 }
\ No newline at end of file
diff --git a/src/modules/launcher/Wox/ViewModel/MainViewModel.cs b/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
index acce23da85..aa5f1ba516 100644
--- a/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
+++ b/src/modules/launcher/Wox/ViewModel/MainViewModel.cs
@@ -383,15 +383,7 @@ namespace Wox.ViewModel
                     // handle the exclusiveness of plugin using action keyword
                     RemoveOldQueryResults(query);
 
-                    _lastQuery = query;
-                    Task.Delay(200, currentCancellationToken).ContinueWith(_ =>
-                    { // start the progress bar if query takes more than 200 ms and this is the current running query and it didn't finish yet
-                        if (currentUpdateSource == _updateSource && _isQueryRunning)
-                        {
-                            ProgressBarVisibility = Visibility.Visible;
-                        }
-                    }, currentCancellationToken);
-
+                    _lastQuery = query;                  
                     var plugins = PluginManager.ValidPluginsForQuery(query);
                     
                     Task.Run(() =>