how to return download file and continue execute another code in only controller laravel

i have a controller like this:

public function export() {
  $this->getTempalte();
  $post=Post::find(1)->get();
  return redirect()->back()->with($post);
}
public function getTempalte(){
  return Storage::download('public\template\note.docx');
}

but when i run this controller, it called getTemplate function but it dont retunt file, and other code in export function still continue

via Chebli Mohamed