public function getModelMap()
    {
        $m = [];
        $search = [];
        foreach ($this->searchModels as $path => $namespace) {
            $files = FileHelper::findFiles(Yii::getAlias($path), ['only' => ['.php']]);
            foreach ($files as $file) {
                $baseName = strstr(basename($file), '.php', true);
                $className = $namespace . '\\' . $baseName;
                if (class_exists($className)) {
                    $reflector = new \ReflectionClass($className);
                    if ($reflector->isSubclassOf('yii\base\Model')) {
                        $m[$baseName] = $className;
                    }
                }
            }
        }

        return $m;
    }