:( 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/www/cqcet.px/vendor/wj008/beacon/core/Route.php(553): ReflectionClass->__construct('app\\master\\home...')
    #1 /home/www/cqcet.px/vendor/wj008/beacon/core/Route.php(744): beacon\Route::runMethod('app\\master\\home...', 'indexAction')
    #2 /home/www/cqcet.px/www/index.php(68): beacon\Route::run()
    #3 {main}