validate([ 'web_site_customer_service' => 'nullable', 'web_site_title' => 'nullable', 'web_site_logo' => 'nullable', 'web_site_bottom_logo' => 'nullable', ]); } // 保存 public function handle(array $input): void { SystemConfig::set($input); } public function default(): array { return [ 'web_site_customer_service' => SystemConfig::get('web_site_customer_service'), 'web_site_title' => SystemConfig::get('web_site_title'), 'web_site_logo' => SystemConfig::get('web_site_logo'), 'web_site_bottom_logo' => SystemConfig::get('web_site_bottom_logo'), ]; } }