public function update(Request $request, $id)
{
$express = Express::find($id);
$expresses = config('wyshop.expresses');
$name = $expresses["{$request->key}"];
$data = array_add($request->all(), 'name', $name);
$express->update($data);
return redirect(route('admin.express.index'))->with('info', '修改物流信息成功');
}
