fix: 修复了一些问题

...va/cn/ilovese/collect/controller/task/TaskController.java

...va/cn/ilovese/collect/controller/user/UserController.java

src/main/java/cn/ilovese/collect/po/device/Device.java

...ain/java/cn/ilovese/collect/service/user/UserService.java

.../cn/ilovese/collect/serviceimpl/task/TaskServiceImpl.java

.../cn/ilovese/collect/serviceimpl/user/UserServiceImpl.java

src/main/java/cn/ilovese/collect/vo/Device/DeviceVO.java

src/main/resources/mapper/DeviceMapper.xml