设置：菜单权限bug，用户roles中没有user，却以user权限显示了菜单
Created by: baozhoutao
https://github.com/steedos/creator/commit/a948ad9274e837d014f14eef7629e1e91f6423a9
Created by: baozhoutao
https://github.com/steedos/creator/commit/a948ad9274e837d014f14eef7629e1e91f6423a9