frontend->config->main-local.php
$config = [ 'defaultRoute' => 'index/index',//修改默认访问控制器 'components' => [ 'request' => [ // !!! insert a secret key in the following (if it is empty) - this is required by cookie validation /*___*/ 'enableCookieValidation' => false, 'enableCsrfValidation' => false, ], ], ];