修改 添加分类，，列表获取不到的bug

zhaoxiaohao

2020-04-07 fe5f35c46d456941929f159269af4246db7e1afc

1
E:\product\kidgrow\kidgrow-microservices-platform\kidgrow-microservices-platform\kidgrow-business\kidgrow-filecenter\kidgrow-filecenter-api\src\main\java\com\kidgrow\filecenter\model\FileInfo.java