laravel 错误处理,接口错误返回json代码

public function render($request, Exception $exception)
{
 if($request- is('api/*')){
  $response = [];
  $error = $this- convertExceptionToResponse($exception);
  $response['status'] = $error- getStatusCode();
  $response['msg'] = 'something error';
  if(config('app.debug')) {
   $response['msg'] = empty($exception- getMessage()) ? 'something error' : $exception- getMessage();
   if($error- getStatusCode()  = 500) {
    if(config('app.debug')) {
     $response['trace'] = $exception- getTraceAsString();
     $response['code'] = $exception- getCode();
    }
   }
  }
  $response['data'] = [];
  return response()- json($response, $error- getStatusCode());
 }else{
  return parent::render($request, $exception);
 }
}