diff --git a/Flow.Launcher/ViewModel/MainViewModel.cs b/Flow.Launcher/ViewModel/MainViewModel.cs
index 262c1848b..1bdf6af1e 100644
--- a/Flow.Launcher/ViewModel/MainViewModel.cs
+++ b/Flow.Launcher/ViewModel/MainViewModel.cs
@@ -485,6 +485,9 @@ namespace Flow.Launcher.ViewModel
             // Switch to ThreadPool thread
             await TaskScheduler.Default;
 
+            if (currentCancellationToken.IsCancellationRequested)
+                return;
+
             var query = QueryBuilder.Build(QueryText.Trim(), PluginManager.NonGlobalPlugins);
 
             // handle the exclusiveness of plugin using action keyword