public function update(Request $request, $id)
{
$benefit = ServiceBenefit::find($id);
$form_input = $request->all();
if ($file = $request->file('file')) {
$form_input = $this->saveFile($form_input, $file);
\File::delete(public_path(trim($benefit->icon, '/')));
}
$benefit->update($form_input);
return $benefit->toJson();
}
