diff --git a/.lefthook.yml b/.lefthook.yml
index 50fdf165..33d28515 100644
--- a/.lefthook.yml
+++ b/.lefthook.yml
@@ -2,7 +2,4 @@ pre-commit:
   commands:
     go-vet:
       root: "Wox/"
-      run: go vet
-    ui-build:
-      root: "Wox.UI.React/"
-      run: pnpm build
\ No newline at end of file
+      run: go vet
\ No newline at end of file
diff --git a/Wox.UI.Flutter/wox/windows/runner/main.cpp b/Wox.UI.Flutter/wox/windows/runner/main.cpp
index 1cc5508e..046beef2 100644
--- a/Wox.UI.Flutter/wox/windows/runner/main.cpp
+++ b/Wox.UI.Flutter/wox/windows/runner/main.cpp
@@ -45,8 +45,16 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   }
   window.SetQuitOnClose(true);
 
-  ::MSG msg;
-  while (::GetMessage(&msg, nullptr, 0, 0)) {
+  ::MSG msg = { };
+  while (::GetMessage(&msg, nullptr, 0, 0) > 0) {
+    // prevent the error/beep sound when alt+number/letter is pressed
+    if (msg.message == WM_SYSKEYDOWN) {
+      msg.message = WM_KEYDOWN;  
+      ::TranslateMessage(&msg);
+      ::DispatchMessage(&msg);
+      continue;
+    }
+    
     ::TranslateMessage(&msg);
     ::DispatchMessage(&msg);
   }