Module page is not updated

1. Import the attached SDDML file, which represents a device with multiple slaves.
2. Add this slave DTM to master DTM, open GUI, select module page.
3. The Channel quatity of POUT ls 16.
4. Go to Device page, select slave with index 1.
5. Go back to module page. The POUT tab is not updated.
6. Select any entry in the IOFG grid, the POUT tab is changed and correct values are shown.