Empty Controller[%e6%b5%99%e6%b1%9f%e6%b5%a6%e6%b1%9f%ef%bc%9a2018%e5%b9%b4%e5%ba%95%e5%89%8d%e5%b9%b6%e7%bd%91%e5%88%86%e5%b8%83%e5%bc%8f%e5%85%89%e4%bc%8f%e9%a1%b9%e7%9b%ae%e8%8e%b70-2%e5%85%83%e5%ba%a6%e5%8e%bf] index