public function start()
    {
        $modules = ModuleModel::where('module_status', 1)->get();
        foreach($modules as $module)
        {
            $path = $this->getModuleDirectory($module->module_name);
            if ($path)
            {
                $name = $module->module_name;
                $this->modules[$name] = new Module($this->app, $module->module_name, $path);
            }
        }
    }