Empty Controller[%e8%b5%a2%e6%88%982017-%e4%b8%8a%e6%b5%b7%e5%85%86%e8%83%bd%e5%87%ba%e5%b8%ad%e5%a4%aa%e9%98%b3%e8%83%bd%e5%b7%a5%e7%a8%8b%e6%96%b0%e8%83%bd%e6%ba%90%e6%8a%80%e6%9c%af%e5%9e%8b] index