:( 数据出现异常:Class app\master\home\controller\A does not exist 
    ReflectionException: Class app\master\home\controller\A does not exist
    #0 /home/v3/www.com/vendor/wj008/beacon/core/Route.php(557): ReflectionClass->__construct('app\\master\\home...')
    #1 /home/v3/www.com/vendor/wj008/beacon/core/Route.php(748): beacon\Route::runMethod('app\\master\\home...', 'indexAction')
    #2 /home/v3/www.com/www/index.php(97): beacon\Route::run()
    #3 {main}